{"id":4529,"date":"2024-10-10T12:05:20","date_gmt":"2024-10-10T12:05:20","guid":{"rendered":"http:\/\/cinesori.co.kr\/?post_type=portfolio&#038;p=4529"},"modified":"2024-10-10T12:10:01","modified_gmt":"2024-10-10T12:10:01","slug":"4529","status":"publish","type":"portfolio","link":"https:\/\/cinesori.co.kr\/?portfolio=4529","title":{"rendered":"Sound Basic -1 (Acoustics)"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m239462t-315e67ab539dcf560bfaa80f50afd1fc\">\n#top .av-special-heading.av-m239462t-315e67ab539dcf560bfaa80f50afd1fc{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-m239462t-315e67ab539dcf560bfaa80f50afd1fc .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-m239462t-315e67ab539dcf560bfaa80f50afd1fc .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-m239462t-315e67ab539dcf560bfaa80f50afd1fc av-special-heading-h2 blockquote modern-quote  avia-builder-el-0  el_before_av_textblock  avia-builder-el-first '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >Sound Basic &#8211; 1<\/h2><div class='av-subheading av-subheading_below'><p>Audio Engineering Book (Acoustics)<\/p>\n<\/div><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n<section  class='av_textblock_section av-m2392sn9-e94816c38829452b17308dd87e8db49d '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><ol>\n<li>Fundamentals of Sound<\/li>\n<\/ol>\n<p>\uc18c\ub9ac\ub294\u00a0 \uacf5\uae30\ub0b4 \uc6e8\uc774\ube0c\uc758 \uc6c0\uc9c1\uc784 \ub610\ub294 \ub9e4\uccb4\uc758 \ud0c4\uc131 \uc791\uc6a9\uc73c\ub85c \ubcfc \uc218 \uc788\ub294\ub370 \uc774\ub7ec\ud55c \uacbd\uc6b0 \uc18c\ub9ac\ub294 \uc790\uadf9\uc81c \uc5ed\ud560\uc744 \ud558\ub294\uac83\uc774\ub77c \ud55c\ub2e4.\u00a0 \ub610\ud55c \uccad\uac01 \uae30\ub2a5 \uc758 \uc790\uadf9\uc744 \ud1b5\ud574 \ub098\ud0c0\ub098\ub294 \uc6e8\uc774\ube0c\uc758 \uc791\uc6a9 \uacb0\uacfc\uac00 \uc6b0\ub9ac \ub1cc\ub97c \ud1b5\ud574 \uc18c\ub9ac\ub85c \uc778\uc2dd\ub418\uac8c \ub418\ub294\ub370 \uc774\ub7ec\ud55c \uacbd\uc6b0 \uc18c\ub9ac\ub97c \uac10\uac01\uc801 \uc5ed\ud560\uc744 \ud558\ub294 \uac83\uc774\ub77c\uace0 \ud55c\ub2e4.<\/p>\n<p>\ub9cc\uc77c \uc6b0\ub9ac\uac00 \uc2a4\ud53c\ucee4\uc5d0 \uc758\ud558\uc5ec \ub9cc\ub4e4\uc5b4\uc9c4 \uacf5\uae30\uc911\uc758 \uc18c\ub9ac\uc758\u00a0 \uc791\uc6a9\uc5d0 \ub300\ud55c \uad00\uc2ec\uc744 \uac16\uac8c \ub41c\ub2e4\uba74 \uadf8\uac83\uc740 \ubb3c\ub9ac\uc801 \ud2b9\uc131\uacfc \uad00\uacc4\ub418\ub294 \uac83\uc774\uba70, \uc2a4\ud53c\ucee4 \uc8fc\ubcc0\uc758 \uc0ac\ub78c\uc5d0\uac8c \uc5b4\ub5bb\uac8c \uc18c\ub9ac\uac00 \uc804\ud574\uc9c0\ub294\uac00\uc5d0 \ub300\ud558\uc5ec \uad00\uc2ec\uc744 \uac16\ub294\ub2e4\uba74 \uc74c\ud5a5 \uc2ec\ub9ac\ud559\uc801 \ubc29\ubc95\uc774 \ud544\ud788 \uc0ac\uc6a9\ub418\uc5b4\uc57c \ud55c\ub2e4.\u00a0 \uc774\uae00 \uc5d0\uc11c\ub294 \uc0ac\ub78c\uacfc \uad00\uacc4\ub41c \uc5b4\ucfe0\uc2a4\ud2f1\uc744 \uc911\uc810\ud558\uc5ec \ub2e4\ub8e8\uace0 \uc788\uc74c\uc73c\ub85c \uc18c\ub9ac\uc5d0 \ub300\ud558\uc5ec \uc55e\uc11c \uc5b8\uae09\ud55c \ub450\uac00\uc9c0 \uce21\uba74\uc5d0 \ub300\ud55c \uac83\uc774 \ubaa8\ub450 \ub2e4\ub8e8\uc5b4\uc9c8 \uac83\uc774\ub2e4.<\/p>\n<p>\uc18c\ub9ac\ub294 \uba87\uba87\uc758 \uae30\ubcf8\uc801 \ud604\uc0c1\uc5d0 \uc758\ud558\uc5ec \uad6c\ubd84\uc774 \ub41c\ub2e4.\u00a0 \uc608\ub97c \ub4e4\uc790\uba74, \uc8fc\ud30c\uc218 (Frequency) \ub77c\ub294 \uac83\uc740 \uc18c\ub9ac\uc5d0 \ub300\ud55c \uac1d\uad00\uc801 \uce21\uba74\uc758 \uac83\uc73c\ub85c \ucd08\ub2f9 \uba87\uac1c\uc758 \uc6e8\uc774\ube0c\ub4e4\uc774 \ub9cc\ub4e4\uc5b4 \uc9c0\ub294\uac00 \ub85c \ub098\ud0c0\ub0b4\uc5b4\uc9c0\uace0 \uc624\uc2e4\ub85c\uc2a4\ucf54\ud504\uc640\u00a0 \uc8fc\ud30c\uc218 \uce74\uc6b4\ud130\ub97c \ud1b5\ud558\uc5ec \uce21\uc815\ub418\uace0 \uc77d\ud600\uc9c0\uac8c \ub41c\ub2e4.\u00a0 \uc774\uc640 \ub2ec\ub9ac \uc18c\ub9ac\uc758 \ub192\uace0 \ub0ae\uc74c\uc5d0 \ub300\ud55c \ud53c\uce58(pitch)\ub294 \uc18c\ub9ac\uc5d0 \ub300\ud55c \uc8fc\uad00\uc801 \uce21\uba74\uc758 \uac83\uc73c\ub85c \uac1c\ub150\uc801\uc73c\ub85c \uc6b0\ub9ac\uc758 \uadc0\ub294 \uc18c\ud504\ud2b8\ud558\uac70\ub098 \ub77c\uc6b0\ub4dc\ud55c \ud2b9\uc131\uc744 \ub0b4\ubcf4\uc774\ub294 100Hz \ud1a4\uc5d0 \ub300\ud558\uc5ec \uadf8\ub4e4\uc744 \uac01\uac01 \ub2e4\ub978 \ud53c\uce58\ub85c \uc778\uc2dd \ud558\uac8c \ub41c\ub2e4\ub294 \uac83\uc774\ub2e4.<\/p>\n<p>\uc18c\ub9ac\uc758 \uc138\uae30 (intensity)\uac00 \uc99d\uac00 \ub428\uc5d0 \ub530\ub77c \uc800 \uc8fc\ud30c\uc218(low frequency) \ud1a4\uc740\u00a0 \ub0ae\uc544\uc9c0\uace0 \uace0 \uc8fc\ud30c\uc218(high frequency) \ud1a4\uc740 \uc62c\ub77c\uac00\uac8c \ub41c\ub2e4. \ud50c\ub808\ucc98 (Fletcher)\ub294 168Hz\uc640 318Hz\uc758 \ud4e8\uc5b4\ud1a4(pure tone)\uc744 \ubcf4\ud1b5\uc758 \ub4e3\uae30 \uc88b\uc740 \ub808\ubca8\ub85c \ud50c\ub808\uc774\ub97c \ud558\uc5ec\ub3c4 \uc774\ub4e4 \uc18c\ub9ac\uac00 \ub9e4\uc6b0 \ubd80 \uc870\ud654 \uc2a4\ub7ec\uc6b4 \uc18c\ub9ac\ub85c \ub4e4\ub9ac\uac8c \ub418\ub098 \uc625\ud0c0\ube0c \uad00\uacc4\ub97c \ub0b4\ubcf4\uc774\ub294 150Hz\uc640 300Hz \ud1a4\uc740 \uac15\ud55c \ub808\ubca8\ub85c \ud50c\ub808\uc774\ub97c \ud558\uc5ec\ub3c4 \uc6b0\ub9ac\uc758 \uadc0\uac00 \uadf8\ub4e4\uc744 \ub4e3\uae30 \uc88b\uc740 \uc18c\ub9ac\ub85c \ub4e3\ub294\ub2e4\ub294 \uac83\uc744 \ubc1c\uacac\ud558\uc600\ub2e4. \uc774\ub807\ub4ef \uc8fc\ud30c\uc218\uc640 \ud53c\uce58\ub97c \ub3d9\uc77c\uc2dc \ud560 \uc218\ub294 \uc5c6\uc73c\ub098 \uadf8\ub4e4\uc774 \uc11c\ub85c \uc720\uc0ac\ud55c \ud2b9\uc131\uc744 \ub0b4\ubcf4\uc778\ub2e4\uace0 \uc774\uc57c\uae30 \ud558\uace0\uc788\ub2e4.<\/p>\n<p>\uc774\uc640 \uac19\uc740 \uc18c\ub9ac\uc758 \uc774\uc911\uc801\uc778 \ud2b9\uc131\uc740 \uc778\ud150\uc2dc\ud2f0 (Intensity)\uc640 \ub77c\uc6b0\ub4dc\ub124\uc2a4 (Loudness)\uc5d0\uc11c\ub3c4 \ub098\ud0c0\ub098\uace0\uc788\ub2e4. \uc774\ub4e4 \ub450\uac00\uc9c0\uc758 \uad00\uacc4 \ub610\ud55c \uba85\ud655\ud788 \uad6c\ubd84\ub418\uc9c0 \uc54a\uc73c\uba70 \uc6e8\uc774\ube0c\uc758 \ud615\ud0dc (waveform)\ub610\ub294 \uc2a4\ud399\ud2b8\ub7fc(speactrum) \uadf8\ub9ac\uace0 \uc18c\ub9ac\uc758 \uc9c8\uc801\uc778 \uc778\uc2dd (\ud300\ubc84 : Timber) \ub610\ud55c \uccad\uac01 \uae30\ub2a5\uc0c1\uc758 \ud63c\ub3d9\uc744 \uc57c\uae30\ud558\ub294 \uac83\uc774\ub2e4.\u00a0 \ucef4\ud50c\ub799\uc2a4 \uc6e8\uc774\ube0c\ud3fc (Complex Waveform)\uc740 \uae30\ucd08\uc74c ( Fundamental)\uacfc \ud568\uaed8 \ub2e4\uc591\ud55c \uc138\uae30\uc640 \ud398\uc774\uc988 \ud2b9\uc131\uc744 \uc9c0\ub2c8\ub294 \uc5ec\ub7ec \uac1c\uc758 \ud558\ubaa8\ub2c9\uc2a4\ub85c \uad6c\uc131\uc774 \ub418\uc5b4\uc788\ub2e4. \ud300\ubc84 (Timber)\uc5d0 \ub300\ud55c \uc778\uc2dd\uc740\u00a0 \uc8fc\ud30c\uc218\uc640 \ud53c\uce58\uc758 \uc0c1\ud638 \uc791\uc6a9\uacfc \ub2e4\ub978 \uc5ec\ub7ec \uc694\uc18c\uc5d0 \uc758\ud558\uc5ec \ubcf5\uc7a1\ud558\uac8c \ub098\ud0c0\ub09c\ub2e4. \uc774\uc640 \uac19\uc740 \uc18c\ub9ac\uc758 \ubb3c\ub9ac\uc801 \uc791\uc6a9\uacfc \uadf8\uc5d0 \ub300\ud55c \uc778\uc2dd\uc740 \uc6b0\ub9ac\uc5d0\uac8c \ub9e4\uc6b0 \ubbf8\uc138\ud558\uace0 \ubcf5\uc7a1\ud55c \ubb38\uc81c\ub85c \ub098\ud0c0\ub098\uace0\uc788\ub2e4. \uc2a4\ud53c\ucee4 \ub610\ub294 \ucf58\uc11c\ud2b8 \ud640\uc744 \ub514\uc790\uc778 \ud558\ub294 \uac83\uc740 \ube44\uad50\uc801 \uc9c1\uc124\uc801\uc774\uba70 \uac1d\uad00\uc801\uc778 \uae30\uc220\uacfc\uc815\uc774\ub77c \ud560\uc218\uc788\ub2e4.\u00a0 \uc6b0\ub9ac\uac00 \uace0\ub824\ud574 \ubd10\uc57c \ud558\ub294\uac83\uc740 \uc2a4\ud53c\ucee4\ub294 \ubb34 \ud5a5\uc2e4\uc758 \ub9c8\uc774\ud06c\ub85c\ud3f0\uc744 \uc704\ud55c \uc0ac\uc778\uc6e8\uc774\ube0c(sinewave)\ub97c \uc7ac\uc0dd\ud558\uae30 \uc704\ud558\uc5ec \ub514\uc790\uc778\ub41c \uac83\uc774 \uc544\ub2cc \uc6b0\ub9ac\uc758\uac70\uc2e4\uc5d0\uc11c \uc74c\uc545\uc744 \ud50c\ub808\uc774\ud558\ub3c4\ub85d \ub514\uc790\uc778\ub41c \uac83 \uc774\ub77c\ub294 \uac83\uc774\ub2e4. \uc989 \uc624\ub514\uc624\uc5d0 \ub300\ud55c \uc5f0\uad6c\uc640 \uc5b4\ucfe0\uc2a4\ud2f1\uc740 \uc608\uc220\uc801\uc778 \uce21\uba74\uacfc \uacfc\ud559\uc801\uc778 \uce21\uba74 \uc774 \ub450\uac00\uc9c0 \ubaa8\ub450\ub97c \ub0b4\ud3ec\ud558\ub294 \uac83\uc774\ub2e4.<\/p>\n<p><strong>The Sine Wave <\/strong>\u2028\u2028\u00ad\u00ad\u00ad<\/p>\n<p>\uc544\ub798 \uadf8\ub9bc 1-1 \uc740 \ud558\ub098\uc758 \uc9c4\ub3d9\uccb4\ub85c\uc11c \uc2a4\ud504\ub9c1\uc5d0 \ub2ec\ub824\uc788\ub294 \ubb34\uac8c \ucd94\uc5d0 \uad00\ud55c \uac83\uc774\ub2e4.\u00a0 \ub9cc\uc77c \ubb34\uac8c \ucd94\ub97c -5\uc9c0\uc810\uae4c\uc9c0 \uc7a1\uc544 \ub2f9\uae34 \ub4a4 \ub193\uac8c \ub418\uba74 \uc2a4\ud504\ub9c1\uc740 \ubb34\uac8c \ucd94\ub97c \uadf8 \uc6d0\uc810\uc778 0\uc9c0\uc810\uc73c\ub85c \ub418\ub3cc\ub9ac\uac8c \ub41c\ub2e4. \uadf8\ub7fc\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 \ubb34\uac8c \ucd94\uc758 \uad00\uc131\uc740 0\uc9c0\uc810\uc5d0\uc11c \uba48\ucd94\uc9c0 \uc54a\uace0 0\uc9c0\uc810 \ub118\uc5b4 \uac70\uc758 +5\uc9c0\uc810\uc5d0 \uae4c\uc9c0 \uadf8 \uc6c0\uc9c1\uc784\uc744 \uc77c\uc73c\ud0a4\uac8c \ub41c\ub2e4. \ubb34\uac8c \ucd94\ub294 \uacc4\uc18d\ud558\uc5ec \uc6c0\uc9c1\uc784\uc744 \ub0b4\ubcf4\uc774\uac8c \ub418\ub098 \uacf5\uae30\uc640 \uc2a4\ud504\ub9c1\uc758 \ub9c8\ucc30\ub825\uc5d0 \uc758\ud558\uc5ec \uadf8 \uc138\uae30\uac00 \uc11c\uc11c\ud788 \uc904\uc5b4\ub4e4\uac8c \ub41c\ub2e4. \uc774\ub7ec\ud55c \uc791\uc6a9\uc774 \uac00\ub2a5\ud55c \uac83\uc740 \uc2a4\ud504\ub9c1\uc774 \uc9c0\ub2c8\ub294 \ud0c4\uc131\uacfc \ubb34\uac8c \ucd94\uc758 \uad00\uc131 \ub54c\ubb38\uc774\uba70 \uc18c\ub9ac\uc758 \uc804\ub2ec\uc744 \uc704\ud55c \ub9e4\uccb4 \ub610\ud55c\u00a0 \ud544\ud788 \uc774\uc640 \uac19\uc740 \uad00\uc131\uacfc \ud0c4\uc131\uc744 \uc9c0\ub140\uc57c\ud55c\ub2e4.<\/p>\n<p>\uadf8\ub9bc 1-1\uc5d0\uc11c\uc640 \uac19\uc740 \ubb34\uac8c \ucd94\uc758 \uc6c0\uc9c1\uc784\uc744 \ub2e8\uc21c \ud558\ubaa8\ub2c9 \uc6c0\uc9c1\uc784 (Simple Harmonic Motion)\uc774\ub77c\uace0 \ud55c\ub2e4. \ud06c\ub7ad\ud06c \uc0e4\ud504\ud2b8\uc5d0 \uc5f0\uacb0\ub41c \uc790\ub3d9\ucc28 \uc5d4\uc9c4 \ub0b4\uc758 \ud53c\uc2a4\ud1a4\uc758 \uacbd\uc6b0\uc640 \uac19\uc774 \ube59\uae00\ube59\uae00 \ub3c4\ub294 \ud06c\ub7ad\ud06c \uc0e4\ud504\ud2b8\uc640 \uc704 \uc544\ub798\ub85c \uc6c0\uc9c1\uc774\ub294 \ud53c\uc2a4\ud1a4\uc758 \uc791\uc6a9\uc744 \ub85c\ud130\ub9ac \ubaa8\uc158 (Rotary Motion) \uacfc \uc9c1\uc120\uc758 \ud558\ubaa8\ub2c9 \ubaa8\uc158 \uad00\uacc4\ub85c \ub098\ud0c0\ub0bc \uc218 \uc788\uc73c\uba70 \uc2dc\uac04\uc5d0 \ub530\ub974\ub294 \ud53c\uc2a4\ud1a4\uc758 \uc704\uce58\ub97c \uc815\uc758\ud558\uc5ec \uc0ac\uc778 \uc6e8\uc774\ube0c\ub85c \ub098\ud0c0\ub0bc \uc218 \uc788\ub2e4. \uc774\ub4e4\uc740 \uac00\uc7a5 \uae30\ubcf8\uc774 \ub418\ub294 \uae30\uacc4\uc801 \uc6c0\uc9c1\uc784 \uc791\uc6a9\uc73c\ub85c \uc18c\ub9ac\uc640 \uc804\uc790\uc7a5\uce58\ub0b4 \uae30\ubcf8\uc801\uc778 \uc6e8\uc774\ube0c \ud615\ud0dc \ub610\ud55c \uadf8\uc640\u00a0 \ub3d9\uc77c\ud558\ub2e4\uace0 \uc774\uc57c\uae30 \ud55c\ub2e4.<\/p>\n<p><\uadf8\ub9bc1-1> \uc2a4\ud504\ub9c1\uc5d0 \uc5f0\uacb0\ub41c \ubb34\uac8c \ucd94\ub294 \uace0\uc720 \uc8fc\ud30c\uc218(natural frequency)\uc5d0 \ub300\ud574 \uc9c4\ub3d9\uc744 \ub0b4\ubcf4\uc774\ub294\ub370 \uc2a4\ud504\ub9c1\uc774 \uc9c0\ub2c8\ub294 \ud0c4\uc131\uacfc \ubb34\uac8c\ucd94\uac00 \uc9c0\ub2c8\ub294 \uad00\uc131 \ub54c\ubb38\uc774\ub2e4.<\/p>\n<p>\ub9cc\uc77c \ubcfc\ud39c\uc744 \uadf8\ub9bc 1-2\uc640 \uac19\uc774 \ubb34\uac8c \ucd94\uc5d0 \ubd80\ucc29\ud558\uace0 \uc885\uc774\uac00 \uc77c\uc815\ud55c \uc18d\ub3c4\ub85c \uadf8 \uc544\ub798\ub97c \uc9c0\ub098\ub3c4\ub85d \ud558\uba74. \ubd80\ucc29\ub41c \ud39c\uc740 \ucd94\uc758 \uc6c0\uc9c1\uc784\uc5d0 \ub530\ub77c \uadf8 \ubc18\uc751\uc744 \uc885\uc774\uc5d0 \ub098\ud0c0\ub0b4\uac8c \ub418\ub294\ub370 \ud39c\uc740 \uc885\uc774\uc5d0 \uc544\ub798 \uadf8\ub9bc\uacfc \uac19\uc740 \uc0ac\uc778 \uc6e8\uc774\ube0c\ub97c \uadf8\ub9ac\uac8c \ub41c\ub2e4. \uc774 \uc0ac\uc778 \uc6e8\uc774\ube0c\ub294 \uc21c\uc218\ud55c \uc6e8\uc774\ube0c \ud615\ud0dc\ub85c \ucd94\uc758 \ub2e8\uc21c \ud558\ubaa8\ub2c9 \uc6c0\uc9c1\uc784\uacfc \ub3d9\uc77c\ud558\uac8c \ub098\ud0c0\ub098\ub294 \uac83\uc774\ub2e4.<\/p>\n<p><\uadf8\ub9bc1-2> \uc9c4\ub3d9\uc6c0\uc9c1\uc784\uc744 \ub0b4\ubcf4\uc774\ub294 \ucd94\uc5d0 \uace0\uc815\ub41c \ud39c\uc740 \uc885\uc774\uac00 \uc77c\uc815\ud55c \uc18d\ub3c4\ub85c \uc774\ub3d9\ud560 \ub54c \uadf8\uc5d0 \ub530\ub978 \ubc18\uc751\uc73c\ub85c \ud558\ub098\uc758 \uc0ac\uc778\uc6e8\uc774\ube0c\ub97c \uadf8\ub9ac\uac8c \ub41c\ub2e4. \uc774\uac83\uc740 \uac04\ub2e8\ud55c \ud558\ubaa8\ub2c9\uc2a4 \uc6c0\uc9c1\uc784\uacfc \uc0ac\uc778\uc6e8\uc774\ube0c\uc758 \uae30\ubcf8\uc801\uc778 \uad00\uacc4\ub97c \ub0b4\ubcf4\uc774\ub294 \uac83\uc774\ub2e4. .<\/p>\n<p><strong>SOUND IN MEDIA <\/strong><\/p>\n<p>\ub9cc\uc77c \uacf5\uae30 \uc785\uc790 (air particles) \uac00 \uadf8 \ubcf8\ub798\uc758 \uc704\uce58\uc5d0\uc11c \ubc8b\uc5b4 \ub098\uac8c \ub418\uba74 \uacf5\uae30\uc758 \ud0c4\uc131\ub825(elastic forces)\uc740 \uacf5\uae30 \uc785\uc790\ub97c \ubcf8\ub798\uc758 \uc704\uce58\ub85c \ub418\ub3cc\ub9ac\uac8c \ub418\ub294\ub370 \uadf8\uac83\uc740 \uadf8\ub4e4 \uc785\uc790\ub4e4\uc758 \uad00\uc131(inertia) \uc791\uc6a9\uc5d0 \uc758\ud55c \uac83\uc774\ub2e4. \u00a0\uc18c\ub9ac\ub294 \uac00\uc2a4, \uc561\uccb4, \uacf5\uae30, \ubb3c, \uc1e0\uc640 \ucf58\ud06c\ub9ac\ud2b8\ub97c \ud1b5\ud574 \uc804\ub3c4 \ub418\ub294 \uac83\uc774 \uac00\ub2a5\ud558\uba70 \uc774\ub4e4\uc740 \ubaa8\ub450 \ud0c4\uc131\uc744 \uc9c0\ub2c8\ub294 \ub9e4\uccb4\ub4e4\uc774\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \uc800 \uba40\ub9ac \uae30\ucc28\uc5ed\uc5d0 \uc788\ub294 \uce5c\uad6c\uac00 \ucca0\ub85c\ub97c \ub3cc\ub85c \uccd0\uc11c \uc18c\ub9ac\ub97c \ub0b8\ub2e4\uace0 \ud560 \ub54c. \uacf5\uae30\ub97c \ud1b5\ud55c \uc804\ub2ec \ubcf4\ub2e4 \uae30\ucc28 \ucca0\ub85c\ub97c \ud1b5\ud574 \uc18c\ub9ac\uac00 \uba3c\uc800 \uc804\ub2ec\ub418\uac8c \ub418\ub294\ub370 \uadf8 \uc774\uc720\ub294 \uc1e0\uc778 \ucca0\ub85c\uc758 \ubc00\ub3c4\uac00 \uacf5\uae30\ubcf4\ub2e4 \ub192\uc544 \uc18c\ub9ac\uc758 \uc804\uc774\uac00 \ub354 \ube60\ub974\uac8c \ub098\ud0c0\ub098\uae30 \ub54c\ubb38\uc774\ub2e4. \ub9c8\ucc2c\uac00\uc9c0\ub85c \ubc14\ub2e4\ub97c \ud5a5\ud574 \ud55c\ucc38\uc744 \ud5a5\ud574 \ud55c \ub4a4\uc5d0\uc57c \ubc30\ub85c \uc18c\ub9ac\uac00 \ub4a4\ub2a6\uac8c \uc804\ub2ec \ub418\ub294 \uac83 \ub610\ud55c \ubc00\ub3c4 \ucc28\uc774\uc5d0 \uc758\ud55c \uc18c\ub9ac\uc758 \uc804\uc774 \ud2b9\uc131\ub54c\ubb38\uc774\ub2e4.<\/p>\n<p>\ub4e4\ud310\uc744 \uac00\ub85c\uc9c0\ub974\ub294 \ubc14\ub78c\uc5d0 \uc758\ud558\uc5ec \ub4e4\ud310\uc5d0 \uc6e8\uc774\ube0c\uac00 \ub9cc\ub4e4\uc5b4\uc9c0\uac8c \ub41c\ub2e4, \ubc14\ub78c\uc5d0 \uc758\ud574 \uc6e8\uc774\ube0c\uac00 \uc9c4\ud589\ud558\ub354\ub77c\ub3c4 \ub4e4\ud310\uc5d0 \uc788\ub294 \uace1\uc2dd\ub4e4\uc758 \uc904\uae30\ub294 \uc5ec\uc804\ud788 \uadf8\ub4e4 \ubfcc\ub9ac\uc5d0 \uace0\uc815\ub418\uc5b4 \uc788\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\ub2e4.\u00a0 \uc774\uc640 \uac19\uc774 \uc0ac\uc6b4\ub4dc \uc6e8\uc774\ube0c\uc5d0 \uc758\ud55c \uacf5\uae30 \uc785\uc790 \ub610\ud55c \uadf8\ub4e4 \uc704\uce58\uc5d0\uc11c \ud06c\uac8c \ubc8b\uc5b4\ub098\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n<p><\uadf8\ub9bc1-3>\uc0ac\uc6b4\ub4dc \uc5d0\ub108\uc9c0\uac00 \uc804\ub2ec\ub418\ub294 \uac83\uacfc \ub3d9\uc77c\ud55c \uac70\ub9ac\ub9cc\ud07c \uacf5\uae30 \uc785\uc790\ub294 \uc6c0\uc9c1\uc784\uc744 \ub0b4\ubcf4\uc774\uac8c \ub418\ub294\ub370 \uacf5\uae30\uac00 \uc9c0\ub2c8\ub294 \ud0c4\uc131\uacfc \uadf8 \uc785\uc790\ub4e4\uc758 \uad00\uc131 \uc791\uc6a9\uc5d0 \uc758\ud558\uc5ec \uc77c\uc5b4\ub09c\ub2e4.<\/p>\n<p>\uadf8\ub9bc 1-3 \uc5d0\uc11c\uc640 \uac19\uc774 \uacf5\uae30 \uc785\uc790\uc758 \uc774\ud0c8\uc774 \uc77c\uc5b4\ub09c\ub2e4 \ud560\uc9c0\ub77c\ub3c4 \uadf8\ub4e4\uc740 \uc8fc\uc5b4\uc9c4 \uc9c0\uc5ed \ub0b4\uc5d0 \ud55c\ud558\uc5ec \uadf8 \uc6c0\uc9c1\uc784\uc744 \ub0b4\ubcf4\uc774\uac8c \ub41c\ub2e4.\u00a0 \ud765\ubbf8\ub85c\uc6b4\uac83\uc740 \uadf8\ub4e4 \uc785\uc790\ub4e4\uc758 \uc774\ub3d9 \uc18d\ub3c4 (velocity)\uac00 \ud3c9\ud615 \uc810 \uc5d0\uc11c \uac00\uc7a5 \ucd5c\uace0\ub85c \ub418\uace0 \ucd5c\ub300 \uc774\ud0c8 \uc9c0\uc810\uc5d0\uc11c \uc81c\ub85c \uc0c1\ud0dc\ub85c \ub41c\ub2e4\ub294 \uac83\uc774\ub2e4.\u00a0 \ucd5c\ub300 \ubca8\ub85c\uc2dc\ud2f0 (velocity) \uc0c1\ud0dc\ub97c \ubca8\ub85c\uc2dc\ud2f0 \uc570\ud504\ub9ac\ud29c\ub4dc (Velocity Amplitude) \ub77c\uace0 \ud558\uace0 \uc785\uc790\uac00 \ucd5c\ub300\ub85c \ubc8b\uc5b4\ub09c \uc9c0\uc810\uc758 \uc18d\ub3c4\ub97c \ub514\uc2a4\ud50c\ub808\uc774\uc2a4\uba3c\ud2b8 \ubca8\ub85c\uc2dc\ud2f0 (Displacement velocity) \ub77c\uace0 \ud55c\ub2e4. \uc774\ub4e4 \uc785\uc790\ub4e4\uc758 \ucd5c\ub300 \ubc38\ub85c\uc2dc\ud2f0\ub294 \ub9e4\uc6b0 \uc791\uc544 \ub9e4\uc6b0 \uac15\ud55c \uc18c\ub9ac\uc5d0\uc11c\ub3c4 \uadf8 \uc6c0\uc9c1\uc784\uc774 0.5in\/sec\uc815\ub3c4\uc5d0 \ubd88\uacfc\ud55c \uac83\uc73c\ub85c \ub41c\ub2e4.<\/p>\n<p>\uc785\uc790\ub4e4\uc758 \uc6c0\uc9c1\uc784\uc740 3\uac00\uc9c0 \ud615\ud0dc\ub85c \uad6c\ubd84\uc774 \ub41c\ub2e4. \uc794\uc794\ud55c \ud638\uc218\uc5d0 \ub3cc\uc744 \ub358\uc9c0\uba74 \uc544\ub798 \uadf8\ub9bc\uacfc \uac19\uc774 \ub3cc\uc774 \ub358\uc838\uc9c4 \uc9c0\uc810\uc73c\ub85c\ubd80\ud130 \ub465\uadfc \uc6d0\uc758 \ud615\ud0dc\ub97c \uadf8\ub9ac\ub294 \uc6e8\uc774\ube0c\uac00 \ubc14\uae65\ucabd\uc73c\ub85c \uc9c4\ud589\ub418\uac8c \ub41c\ub2e4 (\uadf8\ub9bc1-4 A). \ub2e4\ub978 \ud615\ud0dc\ub85c\ub294 \ubc14\uc774\uc62c\ub9b0\uc758 \ud604\uacfc \uac19\uc774 \ud604\uc744 \ub530\ub77c \uc9c4\ud589\ub418\ub294 \uc6e8\uc774\ube0c\uc758 \ubc29\ud5a5\uacfc \uc9c1\uac01\uc73c\ub85c \ud604\uc774 \uc704,\uc544\ub798\ub85c \uc6c0\uc9c1\uc784\uc744 \ub0b4\ubcf4\uc774\uac8c \ub41c\ub2e4 (\uadf8\ub9bc 1-4B). \ub9c8\uc9c0\ub9c9\uc73c\ub85c \uacf5\uae30\uc640 \uac19\uc740 \uac00\uc2a4\uc5d0\uc11c \uc18c\ub9ac\ub294 \uc18c\ub9ac\uac00 \uc9c4\ud589\ud558\ub294 \ubc29\ud5a5\uacfc \ub3d9\uc77c\ud55c \ubc29\ud5a5\uc73c\ub85c \uacf5\uae30 \uc785\uc790\ub4e4\uc744 \uc6c0\uc9c1\uc774\uac8c \ub418\ub294\ub370 \uc774\uac83\uc744 \uc6b0\ub9ac\ub294 longitudinal wave \ub77c \ud55c\ub2e4 (\uadf8\ub9bc1-4 C).<\/p>\n<p><\uadf8\ub9bc1-4> \uc0ac\uc6b4\ub4dc \ubc1c\uc0b0\uc73c\ub85c \uc778\ud55c \uc785\uc790\ub4e4\uc758 \uc6c0\uc9c1\uc784\uc740 Circular motion (A), transverse motion (B), longitudinal motion (C) 3\uac00\uc9c0\ub85c \ub098\ud0c0\ub09c\ub2e4.<\/p>\n<p>\uadf8\ub807\ub2e4\uba74 \uc774\ub4e4 \uc785\uc790\ub4e4\uc774 \uc5b4\ub5bb\uac8c \uc55e \ud3b8\uacfc \ub4a4 \ud3b8\uc73c\ub85c \uc6c0\uc9c1\uc774\uba70 \uc2a4\ud53c\ucee4\ub85c\ubd80\ud130 \uc74c\uc545\uc744 \uc6b0\ub9ac\uc758 \uadc0\uc5d0 \uc804\ub2ec\ud558\ub294\uac00 \uc774\ub2e4. \uc544\ub798\uadf8\ub9bc 1-5\ub294 \uac01\uac01 \ub2e4\ub978 \ubc00\ub3c4\ub97c \ub0b4\ubcf4\uc774\ub294 \uacf5\uae30 \ubd84\uc790 (molecules) \ub4e4\uc744 \ub098\ud0c0\ub0b8 \uac83\uc774\ub2e4. \uacf5\uae30\ubd84\uc790\ub4e4\uc774 \uc870\ubc00\ud558\uac8c \uc790\ub9ac\ud558\ub294 \uc9c0\uc5ed\uc744 \ucef4\ud504\ub808\uc158 (compression)\uc9c0\uc5ed \uc774\ub77c\uace0 \ud558\uba70 \uc774 \uc9c0\uc5ed\uc758 \uacf5\uae30\uc555\uc740 \u00a0\ub300\uae30\uc758 \uc555\ub825\ubcf4\ub2e4 \uc57d\uac04 \ub192\uac8c \ub41c\ub2e4. \uadf8\uc640 \ubc18\ub300\ub85c \uacf5\uae30\ubd84\uc790\ub4e4\uc758 \ubc00\ub3c4\uac00 \ub0ae\uac8c \ub098\ud0c0\ub098\ub294 \uc9c0\uc5ed\uc744 \ub808\uc5b4\ud329\uc158 (rarefaction)\uc774\ub77c\uace0 \ud558\uba70 \uc774 \uc9c0\uc5ed\uc758 \uacf5\uae30\uc555\uc740 \ub300\uae30 \uc555\ub825\ubcf4\ub2e4 \ub0ae\uac8c \ub098\ud0c0\ub09c\ub2e4.<\/p>\n<p>\uc544\ub798\uadf8\ub9bc1-5\uc5d0\uc11c \ud654\uc0b4\ud45c\uac00 \uac00\ub9ac\ud0a4\ub294 \uac83\uc740 \uacf5\uae30 \ubd84\uc790 (molecules) \ub4e4\uc774 \uc624\ub978\ud3b8 \ucef4\ud504\ub808\uc158 \uc9c0\uc5ed\uc73c\ub85c \uc774\ub3d9\uc744 \ud55c \ub4a4 \ub450\uac1c\uc758 \ucef4\ud504\ub808\uc158 \uc9c0\uc5ed \uc0ac\uc774\uc758 \ub808\uc5b4\ud329\uc158 \uc9c0\uc810\uc73c\ub85c\ubd80\ud130 \uc67c\ud3b8\uc73c\ub85c \uc774\ub3d9\ud558\ub294 \uadf8 \uacbd\ub85c\ub97c \uac00\ub9ac\ud0a4\ub294 \uac83\uc774\ub2e4. \ubd84\uc790\ub4e4\uc740 \ud0c4\uc131\uc744 \uc9c0\ub2d8\uc73c\ub85c \uadf8\ub4e4 \uc9c0\uc810\uc5d0\uc11c \uc774\ud0c8\ub418\uace0 \ub09c \ub4a4 \ub2e4\uc2dc \ubcf8\ub798\uc758 \uc9c0\uc810\uc73c\ub85c \ub418\ub3cc\uc544 \uac00\ub824\ub294 \uc131\uc9c8\uc744 \uc9c0\ub2c8\uace0\uc788\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc131\uc73c\ub85c \uc778\ud558\uc5ec \uc774\ub4e4\uc740 \uc6b0\uce21\uc73c\ub85c \uc774\ud0c8 \ud55c \ub4a4 \uc774\ud0c8 \uac70\ub9ac\uc640 \ub3d9\uc77c\ud55c \uac70\ub9ac\ub9cc\ud07c \uc88c\uce21\uc73c\ub85c \uc774\ub3d9\ud558\uc5ec \ubcf8\ub798 \uc704\uce58\ub85c \ub3cc\uc544\uc624\uac8c \ub418\uace0 \uc0ac\uc6b4\ub4dc \uc6e8\uc774\ube0c\ub294 \uadf8\uc5d0 \ub530\ub77c \uade0\uc77c\ud558\uac8c \uc6b0\uce21\uc73c\ub85c \uc9c4\ud589\ud558\uac8c \ub41c\ub2e4. \uc18c\ub9ac\uac00 \uc874\uc7ac\ud558\uac8c \ub418\ub294 \uc774\uc720\ub294 \uadf8\ub4e4 \ud0c4\uc131\uc744 \ud558\ub098\uc758 \uc785\uc790\uc5d0\uc11c \ub2e4\ub978 \uc785\uc790\ub85c \uc774\ub3d9\uc744 \uc2dc\ud0a4\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n<p><\uadf8\ub9bc1-5>\u00a0 C = Compression (\uc555\ub825\uc774 \ub192\uc740 \uc9c0\uc5ed), R = Rarefaction (\uc555\ub825\uc774 \ub0ae\uc740 \uc9c0\uc5ed), \uc0ac\uc6b4\ub4dc \uc6e8\uc774\ube0c\ub294 \uc6b0\uce21 \ubc29\ud5a5\uc73c\ub85c \uc9c4\ud589\ud55c\ub2e4<\/p>\n<p>\uc704\uc758 \uc608\uc5d0\uc11c \uc0ac\uc6b4\ub4dc \uc6e8\uc774\ube0c\uac00 \uc6b0\uce21\uc73c\ub85c \uc9c4\ud589\ud558\ub294 \uc774\uc720\ub294 \ud654\uc0b4\ud45c\uac00 \uc11c\ub85c \ub9c8\uc8fc\ud558\uac8c \ub418\ub294 \uc9c0\uc5ed\uc740 \ubd84\uc790\ub4e4\uc758 \ubc00\ub3c4\uac00 \uc99d\uac00\ud558\uace0 \ud654\uc0b4\ud45c\uac00 \uc11c\ub85c \ubc18\ub300\ub418\ub294 \uc9c0\uc5ed\uc5d0\uc11c\ub294 \ubd84\uc790\ub4e4\uc758 \ubc00\ub3c4\uac00 \ub0ae\uc740 \ud604\uc0c1\uc73c\ub85c \uc778\ud558\uc5ec \uc555\ub825\uc774 \ub192\uc740 \ucabd\uc73c\ub85c\ubd80\ud130 \ub0ae\uc544\uc9c0\ub294 \ucabd\uc73c\ub85c \ubd84\uc790\ub4e4\uc774 \uc774\ub3d9\ud568\uc73c\ub85c \uc778\ud558\uc5ec \uc0ac\uc6b4\ub4dc \uc6e8\uc774\ube0c\uac00 \uc6b0\uce21\uc73c\ub85c \uc9c4\ud589\ud558\uac8c \ub418\ub294 \uac83\uc774\ub2e4.<br \/>\n\ubd84\uc790\ub4e4\uc758 \ubc00\ub3c4\uac00 \ub192\uc740 \uc9c0\uc5ed\uc740 \uc8fc\ubcc0 \ud658\uacbd\ubcf4\ub2e4 \ubc00\ub3c4\uac00 \ub192\uace0 \ubd84\uc790\ub4e4\uc758 \ubc00\ub3c4\uac00 \ub0ae\uc740 \uc9c0\uc5ed\uc740 \uc8fc\ubcc0 \ud658\uacbd\ubcf4\ub2e4 \ubc00\ub3c4\uac00 \ub0ae\uac8c \ub41c\ub2e4\ub294 \uac83\uc744 \uc55e\uc11c \uc774\uc57c\uae30 \ud558\uc600\uc73c\uba70 \uadf8\uac83\uc740 \uc544\ub798\uadf8\ub9bc 1-6\uacfc \uac19\uc740 \uc0ac\uc778\uc6e8\uc774\ube0c\ub85c \ub098\ud0c0\ub0b4\ub294 \uac83\uc774 \uac00\ub2a5\ud558\uac8c \ub41c\ub2e4.\u00a0 \uc774\ub4e4\uc758 \uc555\ub825 \ubcc0\ud654\ub294 \uc8fc\ubcc0 \ub300\uae30 \uc555\ub825\ubcf4\ub2e4 500\ub9cc \ubc30 \uc801\uc740 \uac83\uc73c\ub85c \uc0ac\ub78c\uc774 \ub4e4\uc744 \uc218 \uc788\ub294 \uac00\uc7a5 \uc801\uc740 \uc18c\ub9ac\uc778 20Pa (micro pascal) \ub85c \ub41c\ub2e4.<\/p>\n<p><\uadf8\ub9bc 1-6> (A)\ub294 \uacf5\uae30\uc911\uc758 \uc0ac\uc6b4\ub4dc \uc6e8\uc774\ube0c\uac00 \ub0b4\ubcf4\uc774\ub294 \ucef4\ud504\ub808\uc158 \uc9c0\uc5ed\uacfc \ub808\uc5b4\ud329\uc158 \uc9c0\uc5ed\uc744 \ub098\ud0c0\ub0b8 \uac83\uc774\ub2e4. (B)\ub294 \ucef4\ud504\ub808\uc158\uacfc \ub808\uc5b4\ud329\uc158 \ubc18\uc751\uc744 \uc0ac\uc778\uc6e8\uc774\ube0c\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub098\ud0c0\ub0b8 \uac83\uc774\ub2e4.<\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>Speed of Sound <\/strong><\/p>\n<p>\uc77c\ubc18\uc801\uc778 \uc628\ub3c4\uc640 \uc555\ub825\uc744 \ub0b4\ubcf4\uc774\ub294 \uacf5\uae30\uc5d0\uc11c \uc18c\ub9ac\ub294 \ucd08\ub2f9 \uc57d 1,130ft\/sec \ub610\ub294 344m\/sec \uc758 \uc18d\ub3c4\ub85c \uc9c4\ud589\uc774 \ub41c\ub2e4. \uc774\uac83\uc744 \ub2e4\ub974\uac8c \uc774\uc57c\uae30\ud558\uba74 \uc2dc\uac04\ub2f9 770\ub9c8\uc77c \ub610\ub294 1,240\ud0ac\ub85c\ubbf8\ud130\uc758 \uc18d\ub3c4\ub85c \uc18c\ub9ac\uac00 \uc9c4\ud589 \ud55c\ub2e4\ub294 \uac83\uc774\ub2e4. \uadf8\ub7ec\ub098 \uc774\uc640 \uac19\uc740 \uc18c\ub9ac\uc758 \uc18d\ub3c4\ub294 \u00a0\ub2e4\ub978 \uac83\ub4e4\uc5d0 \ube44\ud558\uba74 \uc0c1\ub300\uc801\uc73c\ub85c \ube60\ub974\uc9c0 \uc54a\uc740 \uac83\uc774\ub2e4. \uc608\ub97c \ub4e4\uc790\uba74, \ubcf4\uc789 787\uc81c\ud2b8\uae30\uc758 \uacbd\uc6b0 \uc2dc\uac04\ub2f9 561\ub9c8\uc77c (\ub9c8\ud558 0.85)\uc758 \uc18d\ub3c4\ub97c \ub0b4\ubcf4\uc774\uba70 \ube5b\uc758 \uc18d\ub3c4\ub294 \uc2dc\uac04\ub2f9 670,616,629\ub9c8\uc77c\ub85c \uc18c\ub9ac\uc5d0 \ube44\ud558\uc5ec \uc5c4\uccad\ub09c \uc18d\ub3c4 \ucc28\uc774\ub97c \ub0b4\ubcf4\uc774\uace0\uc788\ub2e4. \ub610\ud55c \uc18c\ub9ac\uc758 \uc18d\ub3c4\ub294 \uc18c\ub9ac\uc758 \uc138\uae30\uc640 \uc8fc\ud30c\uc218 \ud2b9\uc131 \ubc0f \uc8fc\ubcc0 \uc555\ub825 \ucc28\uc774\uc5d0 \uc758\ud55c \uc18d\ub3c4 \ucc28\uc774\ub97c \ub0b4\ubcf4\uc774\uc9c0\ub294 \uc54a\ub294\ub2e4.<\/p>\n<p>\uc18c\ub9ac\ub294 \ud2b9\uc815 \uc18d\ub3c4\ub85c \uc9c4\ud589\uc744 \ud558\uac8c \ub418\ub294\ub370 \uadf8\uac83\uc740 \ub9e4\uccb4\uc758 \ud2b9\uc131\uacfc \uad00\ub828\ub41c \uc694\uc18c\ub4e4\uc5d0 \uc758\ud558\uc5ec \uacb0\uc815\uc774 \ub41c\ub2e4. \ubd84\uc790\ub4e4\uc758 \uad6c\uc870\uac00 \ub192\uc740 \ubc00\ub3c4\ub97c \ub0b4\ubcf4\uc774\ub294 \uacbd\uc6b0 \uc18c\ub9ac \uc5d0\ub108\uc9c0 \uc804\ub2ec\uc774 \ubcf4\ub2e4 \uc27d\uac8c \uc774\ub8e8\uc5b4\uc9c4\ub2e4. \uacf5\uae30\uc640 \ube44\uad50\ud558\uc5ec \ub354 \ub192\uc740 \ubc00\ub3c4\ub97c \ub0b4\ubcf4\uc774\ub294 \uc561\uccb4\uc640 \ub2e8\ub2e8\ud55c \ubb3c\uc9c8\uc5d0\uc11c \uc18c\ub9ac\ub294 \ub354\uc6b1\ub354 \ube60\ub974\uac8c \uc9c4\ud589\ud558\uac8c \ub41c\ub2e4. \uc608\ub97c\ub4e4\uc790\uba74\u00a0 \uc2e0\uc120\ud55c \ubb3c\uc18d\uc5d0\uc11c\ub294 \ucd08\ub2f9 \uc57d 4900\ud53c\ud2b8\uc758 \uc18d\ub3c4\ub97c \ub0b4\ubcf4\uc774\uace0 \uc1e0\ub97c \ud1b5\ud574\uc11c\ub294 \ucd08\ub2f9 16,700\ud53c\ud2b8\uc758 \uc18d\ub3c4\ub97c \ub0b4\ubcf4\uc778\ub2e4. \uacf5\uae30\uc911\uc5d0\uc11c \uc18c\ub9ac\uc758 \uc18d\ub3c4\ub294 \ud654\uc5281\ub3c4\uc758 \ubcc0\ud654\uac00 \uc77c\uc5b4\ub0a0\ub54c\ub9c8\ub2e4 \ucd08\ub2f9 \uc57d1.1ft\/sec\uc758 \uc18d\ub3c4\uac00 \uc99d\uac00 \ub418\ub294 \uac83\uc73c\ub85c \ub098\ud0c0\ub09c\ub2e4. \uacf5\uae30\uc911\uc758 \uc2b5\ub3c4 \ub610\ud55c \uc18c\ub9ac\uc758 \uc18d\ub3c4\uc640 \uad00\uacc4\ud558\ub294\ub370 \uc2b5\ub3c4\uac00 \ub192\uc744\uc218\ub85d \uc18c\ub9ac\uc758 \uc18d\ub3c4\uac00 \ubcf4\ub2e4 \ube60\ub974\uac8c \uc9c4\ud589\ub41c\ub2e4. \uc18c\ub9ac\uc758 \ubca8\ub85c\uc2dc\ud2f0 (Velocity of Sound)\u00a0 \ub780 \ub9e4\uccb4\ub97c \uac00\ub85c\uc9c8\ub7ec \uc0ac\uc6b4\ub4dc \uc5d0\ub108\uc9c0\uac00 \uc5bc\ub9c8\ub098 \ube60\ub974\uac8c \uc804\ub2ec \ub418\ub294\uac00\ub97c \ub098\ud0c0\ub0b4\ub294 \uac83\uc774\uba70\u00a0 \uc785\uc790 \ubca8\ub85c\uc2dc\ud2f0 (Particle Velocity)\ub294 \uc18c\ub9ac\uc758 \ub77c\uc6b0\ub4dc\ub124\uc2a4 (loudness) \ud2b9\uc131\uc5d0 \uc758\ud558\uc5ec \uacb0\uc815\uc774 \ub41c\ub2e4.<\/p>\n<p><strong>Wavelength and Frequency <\/strong><\/p>\n<p>\uc544\ub798 \uadf8\ub9bc\uc740 \uc0ac\uc778\uc6e8\uc774\ube0c (sine wave)\ub97c \ub098\ud0c0\ub0b8 \uac83\uc774\ub2e4. \uc6e8\uc774\ube0c\uc758 \uae38\uc774 (wavelength) \ub780 \uc0ac\uc778 \uc6e8\uc774\ube0c\uac00\u00a0 \ud558\ub098\uc758 \uc644\ubcbd\ud55c \uc6d0 (cycle)\uc744 \ub9cc\ub4e4\uc5b4 \ub0b4\ub294 \uac70\ub9ac\ub97c \uac00\ub9ac\ud0a8\ub2e4. \uc0ac\uc778 \uc6e8\uc774\ube0c\uc758 \uae38\uc774\ub294 \uc0ac\uc778 \uc6e8\uc774\ube0c\uc758 \ud53c\ud06c \uc9c0\uc810 \uc0ac\uc774\uc758 \uac70\ub9ac\ub97c \uce21\uc815 \ud558\ub294 \uac83\uc73c\ub85c \uc5bb\uac8c \ub41c\ub2e4.<\/p>\n<p>\uc8fc\ud30c\uc218(frequency : f)\ub294 \ucd08\ub2f9 \ub9cc\ub4e4\uc5b4\uc9c0\ub294 \uc0ac\uc774\ud074\uc758 \uc22b\uc790\uc774\ub2e4. \uc989 \ucd08\ub2f9 \uba87\uac1c\uc758 \uc2f8\uc774\ud074\uc774 \ub9cc\ub4e4\uc5b4\uc9c0\ub294\uac00 \ud558\ub294 \uadf8 \uc218\uac00\u00a0 \uc8fc\ud30c\uc218\ub97c \ub098\ud0c0\ub0b4\uba70 \ub2e8\uc704\ub294 \ud5d0\uce20(hertz ,\u00a0 Hz)\ub97c \uc0ac\uc6a9\ud55c\ub2e4. \uc608\ub85c, \ucd08\ub2f9 20\uac1c\uc758 \uc2f8\uc774\ud074\uc744 \ub9cc\ub4e4\uc5b4 \ub0b4\ub294 \uc18c\ub9ac\uc758 \uc8fc\ud30c\uc218\ub294 20\ud5d0\uce20 (20Hz) \uac00 \ub41c\ub2e4.<\/p>\n<p><\uadf8\ub9bc 1-7> \uc6e8\uc774\ube0c\uc758 \uae38\uc774\ub294 \uc6e8\uc774\ube0c\uac00 \ud558\ub098\uc758 \uc644\ubcbd\ud55c \uc6d0(\uc2f8\uc774\ud074)\uc744 \ub9cc\ub4dc\ub294\ub370 \uae4c\uc9c0 \ud544\uc694\ub85c \ub418\ub294 \uac70\ub9ac\ub97c \uc774\uc57c\uae30\ud55c\ub2e4. \uc774\ub4e4\uc740 \uc0ac\uc778\uc6e8\uc774\ube0c\uc758 \ud53c\ud06c\uc640 \ud53c\ud06c \uc9c0\uc810 \uac04\uc758 \uac70\ub9ac\uc640 \ub3d9\uc77c\ud55c \uac83\uc774\ub2e4.<\/p>\n<p>\uc0ac\uc778 \uc6e8\uc774\ube0c\uc758 \uc6e8\uc774\ube0c \uae38\uc774\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uad00\uacc4\ub97c \uc9c0\ub2cc\ub2e4.<\/p>\n<p>\uc6e8\uc774\ube0c\uc758 \uae38\uc774(ft) \u00a0=<\/p>\n<p>\uc704\uc758 \uacf5\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \ub420 \uc218 \uc788\ub2e4.<\/p>\n<p>\uc8fc\ud30c\uc218 =<\/p>\n<p><strong>Complex Waves <\/strong><\/p>\n<p>\uc0ac\ub78c\uc758 \ub9d0\uc18c\ub9ac (\uc2a4\ud53c\uce58: speech)\uc640 \uc74c\uc545\uc758 \uc6e8\uc774\ube0c \ud615\ud0dc\ub294 \ub2e8\uc21c\ud55c \uc0ac\uc778\uc6e8\uc774\ube0c\uc640 \ub2ec\ub9ac \ub9e4\uc6b0 \ubcf5\uc7a1\ud55c \uc6e8\uc774\ube0c \ud615\ud0dc\ub97c \uc9c0\ub2c8\ub294 \uac83\uc73c\ub85c \uc774\uc640 \uac19\uc740 \ud2b9\uc131\uc744 \ucef4\ud50c\ub809\uc2a4 \uc6e8\uc774\ube0c\ud3fc (Complex Waveforms)\ub77c \ud55c\ub2e4. \uadf8\ub7ec\ub098 \uadf8\ub4e4\uc774 \uc5b4\ub5a0\ud55c \ubcf5\uc7a1\ud55c \ud2b9\uc131\uc744 \uc9c0\ub2c8\ub294 \uac00\uc640 \uc0c1\uad00\uc5c6\uc774 \uc2dc\uac04\uc801\uc73c\ub85c \uc8fc\uae30\uc801\uc778 (periodic)\ud2b9\uc131\uc744 \ub0b4\ubcf4\uc774\ub294 \ud55c \uadf8\ub4e4\uc758 \ud2b9\uc131\uc744 \uac04\ub2e8\ud788 \uc0ac\uc778\uc6e8\uc774\ube0c\ub85c\uc11c \uc124\uba85\ud558\ub294 \uac83\uc774 \uac00\ub2a5\ud558\uac8c \ub41c\ub2e4. \uadf8\ub9ac\uace0 \uadf8 \uc5b4\ub5a0\ud55c \ubcf5\uc7a1\ud55c \ud615\ud0dc\uc758 \uc6e8\uc774\ube0c \uad6c\uc131 \uc774\ub77c\ub3c4 \ub2e4\uc591\ud55c \uc8fc\ud30c\uc218\ub4e4\uacfc \u00a0\uc570\ud504\ub9ac\ud29c\ub4dc (amplitude) \uadf8\ub9ac\uace0 \ub2e4\uc591\ud55c \uc2dc\uac04 \uad00\uacc4 (\ud398\uc774\uc988 :phase)\ub97c \ub0b4\ubcf4\uc774\ub294 \uc0ac\uc778\uc6e8\uc774\ube0c\ub85c\ubd80\ud130 \ubcf5\uc7a1\ud55c \uc6e8\uc774\ube0c \ud615\ud0dc\ub97c \ud569\uc131\ud574 \ub0b4\ub294 \uac83\uc774 \uac00\ub2a5\ud558\ub2e4.<\/p>\n<p>\uc870\uc149 \ud3ec\ub9ac\uc5b4 (Joseph Fourier)\ub294 \uc774\ub7ec\ud55c \uad00\uacc4\ub97c \ucc98\uc74c\uc73c\ub85c \uc99d\uba85\ud55c \uc0ac\ub78c\uc774\ub2e4. \uadf8\uc758 \uac1c\ub150\uc740 \ub9e4\uc6b0 \uac04\ub2e8\ud558\ub098 \uc2a4\ud53c\uce58\uc640 \uc74c\uc545\uc801 \uc0ac\uc6b4\ub4dc\uc5d0 \uc801\uc6a9\uc5d0\ub294 \uc885\uc885 \uae4c\ub2e4\ub85c\uc6b4 \uac83\uc73c\ub85c \ub418\uae30\ub3c4 \ud55c\ub2e4.<\/p>\n<p><\uadf8\ub9bc1-8>\uc6e8\uc774\ube0c\uc758 \uae38\uc774\uc640 \uc8fc\ud30c\uc218\ub294 \uc11c\ub85c \ubc18\ube44\ub840 \uad00\uacc4\ub97c \ub0b4\ubcf4\uc778\ub2e4. \uadf8\ub9bcA\ub294 \uc8fc\ud30c\uc218\uc5d0 \ub300\ud55c \uc6e8\uc774\ube0c \uae38\uc774\ub97c \ub208\uae08 \uc790\ub85c \ub098\ud0c0\ub0b8 \uac83\uc774\uba70 \uadf8\ub9bc B\ub294 \uac01\uae30 \ub2e4\ub978 \uc8fc\ud30c\uc218\uc640 \uc6e8\uc774\ube0c \uae38\uc774 \uad00\uacc4\ub97c \uadf8\ub77c\ud504\ub97c \ud1b5\ud574 \ub098\ud0c0\ub0b8 \uac83\uc774\ub2e4. \uc774\ub4e4 \ubaa8\ub450 \uc18c\ub9ac\uc758 \uc18d\ub3c4 1,130ft\/sec\uc744 \uae30\uc900\uc73c\ub85c \ud55c \uac83\uc774\ub2e4.<\/p>\n<p><strong>Harmonics <\/strong><\/p>\n<p>\uc544\ub798 \uadf8\ub9bc 1-9 A\ub294 \uc8fc\uc5b4\uc9c4 \uc8fc\ud30c\uc218 ()\uc5d0 \ub300\ud55c \uc570\ud504\ub9ac\ud29c\ub4dc \ud2b9\uc131\ub97c \ub0b4\ubcf4\uc774\ub294 \uc0ac\uc778 \uc6e8\uc774\ube0c\ub2e4. \uadf8\ub9bc B \ub294 \uadf8\ub9bc A\uc5d0 \ube44\ud558\uc5ec \uc808\ubc18\uc758 \uc570\ud504\ub9ac\ud29c\ub4dc \ud2b9\uc131\uc744 \ub0b4\ubcf4\uc774\ub098 \ub450\ubc30\uc758 \uc8fc\ud30c\uc218(\u00a0)\ub97c \ub0b4\ubcf4\uc774\uace0 \uc788\ub2e4. \uadf8\ub9bc C\ub294 \u00a0\uacfc \u00a0 \ub97c \ud569\ud55c \uac83\uc73c\ub85c\ubd80\ud130\uc758 \uacb0\uacfc\ub85c \ub098\ud0c0\ub098\ub294 \uc0ac\uc778 \uc6e8\uc774\ube0c\uc774\ub2e4. \uadf8\ub9bc D\ub294 \u00a0\ubcf4\ub2e4 \uc808\ubc18\uc758 \uc138\uae30 (amplitude) \ub0b4\ubcf4\uc774\uba70 \uc8fc\ud30c\uc218\uac00 3\ubc30\ub85c \ub418\ub294 \uc0ac\uc778 \uc6e8\uc774\ube0c \u00a0\uc774\ub2e4. \uadf8\ub9bc E\ub294 \uc0ac\uc778 \uc6e8\uc774\ube0c \u00a0\uacfc \u00a0\uadf8\ub9ac\uace0 \ub97c \ubaa8\ub450 \ud569\ud558\uc600\uc744 \ub54c \ub098\ud0c0\ub098\ub294 \ub098\ud0c0\ub098\ub294 \uc0ac\uc778 \uc6e8\uc774\ube0c \uc774\ub2e4.<\/p>\n<p>\uc0ac\uc778\uc6e8\uc774\ube0c 1-9 A\ub294 \ub2e4\ub978 \uc0ac\uc778\uc6e8\uc774\ube0c\ub4e4\uc774 \ub354\ud574 \uc9d0\uc73c\ub85c \uacc4\uc18d\ud558\uc5ec \ub2e4\ub978 \uc6e8\uc774\ube0c \ud615\ud0dc\ub85c \ubc14\ub00c\uac8c \ub41c\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc131\uc740 \uc5b4\ucfe0\uc2a4\ud2f1 \uc6e8\uc774\ube0c \ub610\ub294 \uc804\uae30\uc801 \uc2dc\uadf8\ub0a0\uc5d0\uc11c\ub3c4 \ub3d9\uc77c\ud558\uac8c \uc77c\uc5b4\ub098\uac70\ub098 \uadf8 \ubc18\ub300\ub85c \uc5b4\ucfe0\uc2a4\ud2f1 \ub610\ub294 \uc804\uae30\uc801 \ud544\ud130\ub97c \uc0ac\uc6a9\ud558\uc5ec\u00a0 \u00a0\uacfc \u00a0\uadf8\ub9ac\uace0 \ub97c \ubaa8\ub450 \ud569\ud55c \uac83\uc73c\ub85c\ubd80\ud130 \ud2b9\uc815 \uc6e8\uc774\ube0c \ud615\ud0dc\ub97c \uc5bb\uc5b4\ub0b4\ub294 \uac83 \ub610\ud55c \uac00\ub2a5\ud558\ub2e4.\u00a0 \uc608\ub97c \ub4e4\uc790\uba74, 1-9E\uc640 \uac19\uc740 \uc6e8\uc774\ube0c\uac00 \ud544\ud130\ub97c \uac70\uce58\ub3c4\ub85d \ud558\uace0\u00a0\uc640 \ub97c \uc81c\uc678\uc2dc\ud0a4\uace0 \u00a0\uc740\u00a0 \ud1b5\uacfc\ud558\ub3c4\ub85d \ud568\uc73c\ub85c\uc11c 1-9 A\uc640 \uac19\uc740 \uc6e8\uc774\ube0c\ub97c \uc5bb\uc5b4\ub0b4\ub294 \uac83\uc774 \uac00\ub2a5\ud558\uac8c \ub41c\ub2e4.<\/p>\n<p><\uadf8\ub9bc1-9> \uc0ac\uc778 \uc6e8\uc774\ube0c\ub97c \uc11c\ub85c \ud569\ucce4\uc744 \ub54c \uc5b4\ub5a0\ud55c \uacb0\uacfc\uac00 \ub098\ud0c0\ub098\ub294\uac00\ub97c \ub098\ud0c0\ub0b4 \ubcf4\uc774\ub294 \uac83\uc774\ub2e4. (A)\ub294 \uae30\ubcf8\uc774 \ub418\ub294 \uc8fc\ud30c\uc218 (fundamental)\uac00 \u00a0\u00a0\ub41c\ub2e4. (B)\ub294 \ub450\ubc88\uc9f8 \ud558\ubaa8\ub2c9\uc2a4\ub85c \u00a0= 2x \u00a0\ub85c \ub41c\ub2e4. (C)\ub294 \uacfc \ub97c \ud569\uce5c \uac83\uc774\uba70 (D)\ub294 3\ubc88\uc9f8 \ud558\ubaa8\ub2c9\uc2a4\ub85c \u00a0= 3 x \u00a0\uc73c\ub85c \ub418\uba70 \uc5d0 \ube44\ud558\uc5ec \uc808\ubc18\uc758 \uc138\uae30\ub97c \ub0b4\ubcf4\uc774\ub294 \uac83\uc774\ub2e4. (E)\ub294 \u00a0+ \u00a0 + \u00a0\uc758 \uacb0\uacfc\ubb3c\uc774\ub2e4.\u00a0 \uc774\ub4e4 3\uac00\uc9c0\uc758 \uc0ac\uc778\uc6e8\uc774\ube0c\ub4e4\uc740 \ubaa8\ub450 \ub3d9\uc77c\ud55c \ud398\uc774\uc988 \ud2b9\uc131\uc744 \uc9c0\ub2c8\uace0\uc788\ub294 \uc0c1\ud0dc\ub85c \uadf8\ub4e4 \ubaa8\ub450\uac00 \ub3d9\uc77c\ud55c \uc9c0\uc810 0 \ub85c\ubd80\ud130 \uc2dc\uc791\ub41c \uac83\uc774\ub2e4.<\/p>\n<p>\uadf8\ub9bc\uacfc \uac19\uc774 \u00a0\ub0ae\uc740 \uc8fc\ud30c\uc218\ub97c \ub0b4\ubcf4\uc774\ub294 \u00a0\uc744 \uae30\ubcf8 \uc8fc\ud30c\uc218 (Fundamental)\uc774\ub77c\uace0 \ud558\uace0 \uadf8 \uc0ac\uc778\uc6e8\uc774\ube0c\uc5d0 \ub300\ud558\uc5ec \ub450\ubc30\uc758 \uc8fc\ud30c\uc218 \ud2b9\uc131\uc744 \ub0b4\ubcf4\uc774\ub294 \u00a0\ub97c \ub450\ubc88\uc9f8 \ud558\ubaa8\ub2c9\uc2a4 \ub77c\uace0 \ud558\uba70 \u00a0\uc5d0 \ub300\ud558\uc5ec 3\ubc30\uc758 \uc8fc\ud30c\uc218 \ud2b9\uc131\uc744 \ub0b4\ubcf4\uc774\ub294 \ub97c \uc138\ubc88\uc9f8 \ud558\ubaa8\ub2c9\uc2a4\ub77c\uace0 \ud558\uba70 \uc774\uc640 \uac19\uc774 4\ubc88, 5\ubc88,6\ubc88 \ub4f1 \ud558\ubaa8\ub2c9\uc2a4\ub4e4\uc744 \uacc4\uc18d\ud558\uc5ec \ub9cc\ub4e4 \uc218 \uc788\uac8c \u00a0\ub41c\ub2e4.<\/p>\n<p><strong>Phase <\/strong><\/p>\n<p>\uc704 \uadf8\ub9bc\uc758 , , \ub294 \ubaa8\ub450 \ub3d9\uc77c\ud55c \uc9c0\uc810\uc778 0\uc9c0\uc810\uc73c\ub85c \ubd80\ud130 \uc2dc\uc791 \ud558\uace0\uc788\ub2e4. \uc774\uc640 \uac19\uc774 \uc6e8\uc774\ube0c\ub4e4\uc774 \uc11c\ub85c \ub3d9\uc77c\ud55c \uc2dc\uc810\uc5d0 \ubc1c\uc0dd\ub418\ub294 \uacbd\uc6b0 \uc6b0\ub9ac\ub294 \uadf8\ub4e4\uc774 \uc11c\ub85c \uc778-\ud398\uc774\uc988 (In-Phase : \uc11c\ub85c \ub3d9\uc77c\ud55c \uc0c1\ud0dc) \uc0c1\ud0dc\ub97c \ub0b4\ubcf4\uc778\ub2e4\uace0 \ud55c\ub2e4.\u00a0 \uadf8\ub7ec\ub098 \ub54c\ub85c\ub294 \ud558\ubaa8\ub2c9\uc2a4\uc640 \uae30\ubcf8 \uc8fc\ud30c\uc218\uac00 \uc774\uc640 \ub2e4\ub978 \uc2dc\uac04\uc801 \uad00\uacc4\ub97c \ub0b4\ubcf4\uc774\uae30\ub3c4 \ud55c\ub2e4.<\/p>\n<p>\ud558\ub098\uc758 \uc644\uc804\ud55c \uc0ac\uc774\ud074\uc740 360\u00a0\ub85c \ub41c\ub2e4. \ub9cc\uc77c \ub3d9\uc77c\ud55c \uc8fc\ud30c\uc218\uac00 90\u00a0\ub51c\ub808\uc774(delay) \ub418\uac8c \ub418\uba74 \uc774\uac83\uc740 \uccab\ubc88\uc9f8 \uac83\uc5d0 \ube44\ud574 1\/4\uc758 \uc6e8\uc774\ube0c \uae38\uc774 \ucc28\uc774\ub85c \ub2a6\uac8c \ubc1c\uc0dd\ud558\ub294 \uac83\uc73c\ub85c \ub418\uba70 \uccab\ubc88\uc9f8 \uc6e8\uc774\ube0c \ubcf4\ub2e4 \uadf8\ub77c\ud504 \uc0c1\uc5d0 \uc6b0\uce21\uc73c\ub85c \uc2dc\uac04\uc801 \uc99d\uac00\uac00 \ub418\ub294 \uac83\uc73c\ub85c \ub098\ud0c0\ub098\uac8c \ub41c\ub2e4. \uadf8\ub7fc\uc73c\ub85c \uc6e8\uc774\ube0c \uae38\uc774 \uc808\ubc18\uc758 \ub51c\ub808\uc774\ub294 180\uc758 \ucc28\uc774\uac00 \ub418\uba70 \uadf8\uc640 \uac19\uc740 \ub2e4\uc591\ud55c \ucc28\uc774\ub97c \uc11c\ub85c \ub0b4\ubcf4\uc774\uac8c \ub41c\ub2e4. 360\u00a0\ub51c\ub808\uc774 \ucc28\uc774\uc758 \uacbd\uc6b0 \uadf8\ub4e4 \ub450\uac1c \uc2dc\uadf8\ub110\uc758 \ud53c\ud06c\ub4e4\uc774 \uc11c\ub85c \uc77c\uce58\ub418\ub294 \uc0c1\ud0dc\ub97c \ub0b4\ubcf4\uc784\uc73c\ub85c \uc774\ub4e4\uc740 \uc11c\ub85c \uc778-\ud398\uc774\uc988 (in-phase)\uc0c1\ud0dc\ub77c \uc774\uc57c\uae30 \ud55c\ub2e4.<\/p>\n<p><\uadf8\ub9bc1-10> \ub3d9\uc77c\ud55c \uc138\uae30\ub97c \ub0b4\ubcf4\uc774\ub294 \uc6e8\uc774\ube0c\ub4e4 \uac04\uc758 \ud398\uc774\uc988 \uad00\uacc4\ub97c \ub098\ud0c0\ub0b4 \ubcf4\uc778 \uac83\uc774\ub2e4. 360\u00a0\ub294 \ud558\ub098\uc758 \uc644\uc804\ud55c \uc0ac\uc774\ud074\uc744 \ub9cc\ub4dc\ub294 \ub370 \uac78\ub9ac\ub294 \uc2dc\uac04\uc774\ub2e4.<\/p>\n<p>\ub9cc\uc77c \ud558\ubaa8\ub2c9\uc2a4\uac00 \uae30\ubcf8\uc8fc\ud30c\uc218\uc5d0 \ub300\ud558\uc5ec \ub2e4\ub978 \uc2dc\uac04\uc801 \ud2b9\uc131\uc744 \ub0b4\ubcf4\uc774\ub294 \uc544\uc6c3 \uc624\ube0c \ud398\uc774\uc988 (out of phase) \uc0c1\ud0dc\uc778 \uacbd\uc6b0\ub294 \uc5b4\ub5a0\ud55c \uacb0\uacfc\uac00 \ub098\ud0c0\ub098\uac8c \ub418\ub294\uac00? \uc544\ub798\uadf8\ub9bc 1-11\uc740 \uadf8\uc640 \uac19\uc740 \uacbd\uc6b0\ub97c \ub098\ud0c0\ub0b8 \uac83\uc774\ub2e4. \ub450\ubc88\uc9f8 \ud558\ubaa8\ub2c9\uc2a4 , \ub294 \uc774\uc81c \u00a0\uc5d0 \ube44\ud574 90\u00a0\uc55e\uc11c \uc788\uace0 3\ubc88\uc9f8 \ud558\ubaa8\ub2c9\uc2a4\uc778 , \ub294 90\u00a0\ub2a6\uc740 \uc0c1\ud0dc\ub97c \ub0b4\ubcf4\uc774\uace0\uc788\ub2e4. \uc774\ub4e4 , , \u00a0\ub97c \ubaa8\ub450 \ud569\ucce4\uc744 \ub54c \uc774\ub4e4\uc740 \uadf8\ub9bc 1-11E\uc640 \uac19\uc774 \ub41c\ub2e4.<\/p>\n<p>\uadf8\ub9bc 1-9E\uc640 1-11E\uc758 \ucc28\uc774\ub294 , , \u00a0\uc0ac\uc774\uc5d0 \ud398\uc774\uc988 \uc774\ub3d9\uc774 \uc77c\uc5b4\ub0ac\ub2e4\ub294 \uac83 \ubfd0\uc774\uba70 \ub2e8\uc9c0 \uadf8\uc640 \uac19\uc740 \ud398\uc774\uc988 \ucc28\uc774 \ub9cc\uc73c\ub85c\ub3c4 \uc0c1\ub2f9\ud55c \uc6e8\uc774\ube0c \ubcc0\ud654\ub97c \uacb0\uacfc\ub85c \ub0b4 \ubcf4\uc778\ub2e4\ub294 \uac83\uc774\ub2e4. \ud2b9\uc774\ud55c \uac83\uc740 \uc774\ub4e4 \uac04\uc758 \uc2dc\uac04 \uad00\uacc4 \ubcc0\ud654 \ub9cc\uc73c\ub85c\ub3c4 \uc6e8\uc774\ube0c\uc758 \ud615\ud0dc\uac00 \uadf8\uc640 \uac19\uc774 \ud070 \ubcc0\ud654\ub97c \ub0b4\ubcf4\uc784\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 \uc6b0\ub9ac\uc758 \uadc0\ub294 \uadf8 \ubcc0\ud654\ub97c \uc27d\uac8c \uac10\uc9c0\ud558\uc9c0 \ubabb\ud55c\ub2e4\ub294 \uac83\uc774\ub2e4.\u00a0 \uc774\uac83\uc744 \ub2e4\ub974\uac8c \uc774\uc57c\uae30 \ud558\uba74 \uc6b0\ub9ac\uc758 \uadc0\ub294 \uadf8\ub9bc 1-9E\uc640 1-11E\ub97c \ub3d9\uc77c\ud55c \uac83\uc73c\ub85c \uc778\uc2dd\ud55c\ub2e4\ub294 \uac83\uc774\ub2e4.<\/p>\n<p><\uadf8\ub9bc1-11> \uc11c\ub85c \ub2e4\ub978 \ud398\uc774\uc988 \ud2b9\uc131\uc744 \ub0b4\ubcf4\uc774\ub294 \uc0ac\uc778 \uc6e8\uc774\ube0c\uc758 \uc870\ud569\uc5d0 \ub300\ud55c \uac83\uc73c\ub85c (A)\ub294 \uae30\ubcf8\uc8fc\ud30c\uc218 ,\uc774\uba70 (B)\ub294 \ub450\ubc88\uc9f8 \ud558\ubaa8\ub2c9\uc2a4\ub85c \uc808\ubc18\uc758 \uc138\uae30\uc640 \uc5d0 \ub300\ud558\uc5ec 90\ub3c4 \ube60\ub978 \ud398\uc774\uc988 \ud2b9\uc131\uc744 \ub0b4\ubcf4\uc774\uace0 \uc788\uc73c\uba70 (C)\ub294 , ,\ub97c \ud569\uce5c \uac83\uc774\uba70 (D)\ub294 3\ubc88\uc9f8 \ud558\ubaa8\ub2c9\uc2a4\ub85c \uc5d0 \ub300\ud558\uc5ec \uc808\ubc18\uc758 \uc138\uae30\uc640\u00a0 90\ub3c4 \ub290\ub9b0 \ud398\uc774\uc988 \ud2b9\uc131\uc744 \ub0b4\ubcf4\uc774\uace0 \uc788\uc73c\uba70 (E)\ub294 , , \u00a0\ub97c \ubaa8\ub450 \ud569\ud55c \uac83\uc774\ub2e4.<\/p>\n<p><strong>Partials <\/strong><\/p>\n<p>\uc74c\uc545\uac00\ub4e4\uc740 \ud558\ubaa8\ub2c9\uc2a4\ub77c\ub294 \uc6a9\uc5b4 \ubcf4\ub2e4\ub294 \ubd80\ubd84 \uc74c (Partials) \uc774\ub77c\ub294 \uc6a9\uc5b4\ub97c \uc0ac\uc6a9\ud558\ub294 \uacbd\ud5a5\uc744 \ub0b4\ubcf4\uc778\ub2e4. \uadf8\ub7ec\ub098 \ub300\ubd80\ubd84\uc758 \uc545\uae30\uc758 \ubd80\ubd84 \uc74c\uc774 \uae30\ubcf8\uc74c (Fundamental)\uc5d0 \ub300\ud558\uc5ec \ud558\ubaa8\ub2c9\uc2a4\uc801\uc778 \uad00\uacc4\ub97c \ub0b4\ubcf4\uc774\uc9c0 \uc54a\uc74c\uc73c\ub85c \uc774\ub4e4 \ub450\uac00\uc9c0 \uc6a9\uc5b4\ub294 \uc11c\ub85c \uad6c\ubd84\ud558\uc5ec \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \ucd5c\uc120\uc73c\ub85c \ub41c\ub2e4.\u00a0 \uc774\uac83\uc740 \uc989, \uc774\ub4e4 \ubd80\ubd84 \uc74c\uc774 \uae30\ubcf8 \uc74c\uc73c\ub85c\ubd80\ud130 \uc815\ud655\ud55c \ubc30\uc74c \uad00\uacc4\ub97c \ub0b4\ubcf4\uc774\uc9c0 \uc54a\ub294 \ub2e4\ub294 \uac83\uc774\ub2e4. \uadf8\ub9ac\uace0 \uc774\ub7ec\ud55c \ud2b9\uc131\uc73c\ub85c \uc778\ud558\uc5ec \ud1a4\uc758 \ud48d\ubd80\ud568\uacfc \uc9c8\uc801\uc778 \ud2b9\uc131\uc774 \ud558\ubaa8\ub2c9\uc2a4 \uad00\uacc4\uc640 \ub2ec\ub9ac \uc5ec\uc804\ud788 \ube44\ubc00 \uc2a4\ub7fd\uac8c \ub418\ub294 \uac83\uc774\ub2e4. \uc608\ub97c \ub4e4\uc790\uba74, \ubca8\uacfc \ucc28\uc784(chime) \uadf8\ub9ac\uace0 \ud53c\uc544\ub178 \ud1a4\uc758 \ubd80\ubd84 \uc74c\uc740 \uc885\uc885 \uae30\ubcf8\uc74c\uacfc \ud558\ubaa8\ub2c9\uc2a4 \uad00\uacc4\ub97c \ub0b4\ubcf4\uc774\uc9c0 \uc54a\uace0\uc788\ub2e4.<\/p>\n<p><strong>Octaves <\/strong><\/p>\n<p>\uc624\ub514\uc624 \uc5d4\uc9c0\ub2c8\uc5b4\uc640 \uc5b4\ucfe0\uc2a4\ud2f1 \uc804\ubb38\uac00\ub294 \uc885\uc885 \ud558\ubaa8\ub2c9\uc2a4\uc5d0 \ub300\ud55c \uc911\uc801\ubd84 \uc801\uc778(integral multiple), (\ub610\ub294 \ubc30\uc218) \uac1c\ub150\uc744 \uc0ac\uc6a9\ud558\uc5ec\u00a0 \ubb3c\ub9ac\uc801 \uce21\uba74\uc5d0\uc11c \uc18c\ub9ac\ub97c \ub2e4\ub8e8\ub294 \ubc18\uba74 \uc74c\uc545\uac00\ub4e4\uc740 \uc625\ud0c0\ube0c\ub97c \uc0ac\uc6a9\ud558\uace0 \ub300\uc218 (logarithmic)\uac1c\ub150\uc774 \ud655\uace0\ud558\uac8c \uc2a4\ucf00\uc77c\uacfc \uc0ac\uc6a9\ud558\ub294 \uc6a9\uc5b4\uc5d0 \uc801\uc6a9\ub418\uc5b4 \uc788\ub294\ub370 \uadf8 \uc774\uc720\ub294 \uc774\ub4e4\uc758 \uad00\uacc4\uac00 \uadc0\uc758 \ud2b9\uc131\uc5d0 \ub9de\uae30 \ub54c\ubb38\uc774\ub2e4. \uc624\ub514\uc624 \uc5d4\uc9c0\ub2c8\uc5b4 \ub610\ud55c \uc778\uac04\uc758 \uccad\uac01\uc801 \ud2b9\uc131\uacfc \uad00\uacc4\ud558\uace0 \uc788\uc73c\uba70 \uadf8\ub7ec\ud55c \uc774\uc720\uc5d0 \ub85c\uadf8 \uc2a4\ucf00\uc77c\uc744 \uc8fc\ud30c\uc218\uc5d0 \uc0ac\uc6a9\ud558\uace0 \u00a0\ub85c\uadf8\ub97c \ud1a0\ub300\ub85c \ud55c \uce21\uc815 \ub2e8\uc704\ub97c \uc0ac\uc6a9\ud558\uba70 \uc0ac\uc6a9\ud558\ub294 \ub2e4\uc591\ud55c \uc7a5\uce58\ub4e4\uc774 \uc625\ud0c0\ube0c\ub97c \uae30\ucd08\ub85c \ud558\uace0\uc788\ub294 \uac83\uc774\ub2e4.<\/p>\n<p>\ud558\ubaa8\ub2c9\uc2a4\uc640 \uc625\ud0c0\ube0c\ub97c \u00a0\ube44\uad50\ud55c \uac83\uc774 \uc544\ub798 \uadf8\ub9bc 1-12\ub97c \ud1b5\ud574 \ub098\ud0c0\ub098\uc788\ub2e4. \ud558\ubaa8\ub2c9\uc2a4\ub294 \uc120\ud615\uc801\uc778 (linearly) \uad00\uacc4\ub97c \ub0b4\ubcf4\uc774\ub294 \uac83\uc73c\ub85c \ub2e4\uc74c\uc5d0 \uc804\ud574\uc9c0\ub294 \ud558\ubaa8\ub2c9\uc2a4\ub294 \uc55e\uc120 \uac83\uc758 \ubc30\uc218\ub85c \ub41c\ub2e4. \uc625\ud0c0\ube0c \ub780 \ub450\uac1c \uc8fc\ud30c\uc218\uc758 2:1 \ube44\uc728\uc5d0 \ud574\ub2f9 \ud558\ub294 \uac83\uc73c\ub85c \uc608\ub97c \ub4e4\uba74, \uac00\uc628 \u201c\ub3c4\u201d \uc74c\uc778 C4\ub294 \uc8fc\ud30c\uc218 261Hz\uc778\ub370 \uc625\ud0c0\ube0c\uad00\uacc4\uc778\u00a0 C5\ub294 522Hz \uc8fc\ud30c\uc218\ub85c \ub098\ud0c0\ub09c\ub2e4. \uc774\uc640 \uac19\uc740 \uc8fc\ud30c\uc218\uc758 \ube44\uc728\uc740 \uc74c\uc545\uc5d0\uc11c\uc758 \uc74c\uacc4\uc640 \uc0c1\ub2f9\ud55c \uad00\uacc4\ub97c \ub0b4\ubcf4\uc774\ub294 \uac83\uc73c\ub85c \uc8fc\ud30c\uc218\uc758 2:1 \ube44\uc728\uc740 \uc625\ud0c0\ube0c \uad00\uacc4\uac00 \ub418\uace0 \u00a03:2\ube44\uc728\uc740 5\ubc88\uc9f8 4:3\uc740 4\ubc88\uc9f8 \uc74c\uc73c\ub85c \ub418\ub294\uac83\uacfc \uac19\uc774 \ubc00\uc811\ud55c \uad00\uacc4\ub97c \ub0b4\ubcf4\uc778\ub2e4.<\/p>\n<p>100Hz\uc640 200Hz\uc758 \uac04\uaca9(interval)\uc740 \uc625\ud0c0\ube0c \uad00\uacc4\uc774\uba70 200Hz\uc640 400Hz \ub610\ud55c \uc625\ud0c0\ube0c \uad00\uacc4\ub85c \ub41c\ub2e4. \uadf8\ub7ec\ub098 100Hz\uc5d0\uc11c 200Hz\uc0ac\uc774\uc758 \uac04\uaca9\uc740 200Hz\uc5d0\uc11c 300Hz \uac04\uaca9\ubcf4\ub2e4 \uc6b0\ub9ac\uc758 \uadc0\uc5d0 \ubcf4\ub2e4 \ub113\uc740 \uac04\uaca9\uc744 \uc9c0\ub2c8\ub294 \uac83\uc73c\ub85c \ub290\uaef4\uc9c0\ub294\ub370 \uadf8 \uc774\uc720\ub294 \uc6b0\ub9ac\uc758 \uadc0\uac00 \uadf8\ub4e4 \uac04\uaca9\uc758 \ucc28\uc774\ub97c \uc218\ud559\uc801\uc778 \uba74 \ubcf4\ub2e4 \ube44\uc728\uc801 \ucc28\uc774\ub97c \ud1b5\ud574 \uc778\uc2dd \ud558\uae30 \ub54c\ubb38\uc774\ub2e4. \ud2b9\ud788 \uc6b0\ub9ac\uc758 \uadc0\uc758 \uc8fc\ud30c\uc218\uc5d0 \ub300\ud55c \uc9c0\uac01\uc740\u00a0 \ub300\uc218 (logarithmic) \uac1c\ub150\uc5d0 \uc758\uc874\ud558\uace0 \uc788\ub2e4. \u00a0\uc5b4\ucfe0\uc2a4\ud2f1 \uc791\uc5c5\uc5d0 \uc788\uc5b4 \uc625\ud0c0\ube0c\ub294 \uc911\uc694\ud55c \uac83\uc774\uace0 \uc218\ud559\uc801\uc73c\ub85c \ub3c4 \uc720\uc6a9\ud55c \uac83\uc73c\ub85c \ub41c\ub2e4.<\/p>\n<p><\uadf8\ub9bc1-12> \uc625\ud0c0\ube0c\uc640 \ud558\ubaa8\ub2c9\uc2a4\ub97c \ube44\uad50\ud55c \uac83 \ud558\ubaa8\ub2c9\uc2a4\ub294 \ubc30\uc218(linearly) \ud2b9\uc131\uc744 \uc9c0\ub2c8\uace0 \uc625\ud0c0\ube0c\ub294 \ub85c\uadf8 (logarithmically)\ud2b9\uc131\uc744 \uc9c0\ub2cc\ub2e4.<\/p>\n<p>2:1 \ube44\uc728\uc740 \uc625\ud0c0\ube0c\ub85c \uac04\uc8fc\ud558\uace0\uc788\uc73c\uba70 \uadf8\uac83\uc744 \uc218\ud559\uc801\uc73c\ub85c\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ub098\ud0c0\ub0b4\uace0 \uc788\ub2e4<\/p>\n<p>=<\/p>\n<p>\ub294 \uc704 \ud3b8 \uc8fc\ud30c\uc218\uc758 \uc625\ud0c0\ube0c \uac04\uaca9 (Hz)<br \/>\n\uc740 \uc544\ub798 \ud3b8 \uc8fc\ud30c\uc218\uc758 \uc625\ud0c0\ube0c \uac04\uaca9(Hz)<br \/>\nn\uc740 \uc625\ud0c0\ube0c\uc758 \uac1c\uc218<\/p>\n<p>1\uc625\ud0c0\ube0c\uc758 \uacbd\uc6b0 \uc704\uc758 \uacf5\uc2dd\uc5d0\uc11c n = 1\uc774 \ub428\uc73c\ub85c\u00a0 \uacf5\uc2dd\uc740\u00a0 \u00a0\/ \u00a0= 2 \ub85c \ud55c \uc625\ud0c0\ube0c\ub97c \uc815\uc758 \ud558\uac8c \ub41c\ub2e4.<\/p>\n<p>\uc608\uc81c-1<\/p>\n<p>\uc800 \uc8fc\ud30c\uc218 \ubc34\ub4dc \ud55c\uacc4\uac00 \u00a020Hz \uc77c \ub54c \uc774\uac83\uc73c\ub85c\ubd80\ud130 10\uc625\ud0c0\ube0c \ub113\uc774\ub97c \ub0b4\ubcf4\uc774\ub294 \uace0 \uc8fc\ud30c\uc218\uc758 \ud55c\uacc4\uce58\ub97c \uad6c\ud558\ub77c.<\/p>\n<p>=<\/p>\n<p>= (20)()<br \/>\n= (20)(<br \/>\n= 20,480 Hz<\/p>\n<p>\uc608\uc81c-2<\/p>\n<p>1\/3\uc625\ud0c0\ube0c \ubc34\ub4dc\uc5d0\uc11c \ucd5c\uc800 \uc8fc\ud30c\uc218\uac00 446Hz 1\/3\uc625\ud0c0\ube0c \ubc34\ub4dc\uc758 \ucd5c\uace0 \uc8fc\ud30c\uc218\ub294 \ubb34\uc5c7\uc778\uac00?<\/p>\n<p>= ()<\/p>\n<p>= (446)()<br \/>\n= (446)(1.2599)<br \/>\n= 561.9Hz<\/p>\n<p>\uc608\uc81c-3<\/p>\n<p>1\/3\uc625\ud0c0\ube0c \ubc34\ub4dc\uc758 \uc13c\ud130 \uc8fc\ud30c\uc218\uac00 1,000Hz\uc77c \ub54c 1\/3 \uc625\ud0c0\ube0c \ubc34\ub4dc\uc758 \ucd5c\uc800 \uc9c0\uc810 \uc8fc\ud30c\uc218\ub294 \uc5b4\ub5bb\uac8c \ub418\ub294\uac00. ( \uc740 1,000Hz\ub85c \ub41c\ub2e4. \uadf8\ub7ec\ub098 \uc774\ub4e4\ub85c\ubd80\ud130 \uc758 \ucd5c\uc800 \uc9c0\uc810 \uc8fc\ud30c\uc218\ub294 1\/3\uc625\ud0c0\ube0c \ubcf4\ub2e4 1\/6 \ub0ae\uc740 \uac83\uc73c\ub85c \ub418\uc5b4\uc57c \ud568\uc73c\ub85c n = 1\/6 \ub85c \ub418\uc5b4\uc57c \ud55c\ub2e4.)<\/p>\n<p>= ()<br \/>\n=<br \/>\n=<br \/>\n= 890.9Hz<\/p>\n<p>\uc608\uc81c-4<\/p>\n<p>2,500Hz\uac00 \uc13c\ud130\uc8fc\ud30c\uc218\ub85c \ub418\uc5b4\uc788\ub294 \uc625\ud0c0\ube0c \ubc34\ub4dc\uc5d0\uc11c \ucd5c\uc800 \uc9c0\uc810 \uc8fc\ud30c\uc218\ub294?<\/p>\n<p>=<br \/>\n=<br \/>\n=<br \/>\n= 1,767.8Hz<\/p>\n<p>\uadf8\uc5d0 \ub300\ud55c \ucd5c\uace0 \uc8fc\ud30c\uc218\ub294?<\/p>\n<p>= ()<br \/>\n= (2,500)()<br \/>\n= (2,500)(1.4142)<br \/>\n= 3,535.5Hz<\/p>\n<p>\ub9ce\uc740 \uc5b4\ucfe0\uc2a4\ud2f1 \uc801\uc6a9\uc5d0 \uc788\uc5b4 \uc18c\ub9ac\ub294 63 , 125, 250, 500, 1000, 2000, 4000, 8000 \uc8fc\ud30c\uc218\uc640 \uac19\uc774 8\uac1c \uc625\ud0c0\ube0c \ubc34\ub4dc\ub85c \ub2e4\ub8e8\uc5b4\uc9c0\uac70\ub098 1\/3\uc625\ud0c0\ube0c\ub85c\uc11c \ub2e4\uc74c\uacfc \uac19\uc740 \uc13c\ud130\uc8fc\ud30c\uc218 (31.5, 50, 63,80,100,125,160,200,250,315,400,500,600,800,1000,1250,1600,2000,2500,3150,4000,5000,6300,8000,10000Hz) \ub97c \uc0ac\uc6a9\ud558\uace0\uc788\ub2e4.<\/p>\n<p><strong>SPECTRUM <\/strong><\/p>\n<p>\uc77c\ubc18\uc801\uc73c\ub85c \uc6b0\ub9ac\uac00 \uc774\uc57c\uae30\ud558\ub294 \uac00\uccad \uac00\ub2a5\ud55c \uc8fc\ud30c\uc218 \ub300\uc5ed\uc740 20Hz\uc5d0\uc11c 20,000Hz \uae4c\uc9c0 \ub85c \ub418\uba70 \uc774 \ubc94\uc704\ub294 \uc6b0\ub9ac\uc758 \uccad\uac01 \uae30\ub2a5\uc774 \ub0b4\ubcf4\uc774\ub294 \ud2b9\ubcc4\ud55c \ud2b9\uc9d5\uc774 \ub41c\ub2e4. \uc6b0\ub9ac\ub294 \uc0ac\uc778\uc6e8\uc774\ube0c\uc640 \ud558\ubaa8\ub2c9\uc2a4 \uad00\uacc4\ub97c \ud1b5\ud558\uc5ec \uc6b0\ub9ac\uac00 \ud544\uc694\ub85c \ud558\ub294 \uc2a4\ud399\ud2b8\ub7fc\uc5d0 \ub300\ud55c \uac1c\ub150\uc744 \uc131\ub9bd \ud558\uac8c \ub41c\ub2e4. \ube5b\uc758 \uc2a4\ud399\ud2b8\ub7fc\uc5d0 \ub300\ud55c \uc2dc\uac01\ud654\ub294 \uac00\uccad \uac00\ub2a5\ud55c \uc2a4\ud399\ud2b8\ub7fc\ub0b4\uc758 \uc18c\ub9ac\uc640 \ub300\uc751\ud558\ub294 \uad00\uacc4\ub97c \ub0b4\ubcf4\uc778\ub2e4. \uc6b0\ub9ac\ub294 \uc6b8\ud2b8\ub77c \ubc14\uc774\uc62c\ub81b (Ultra Violet) \uad11\uc120\uc744 \ub118\uc5b4 \uc758 \ube5b\uc744 \ubcfc \uc218 \uc5c6\ub294\ub370 \uadf8 \uc774\uc720\ub294 \ube5b\uc758 \uc804\uc790\uae30 \uc5d0\ub108\uc9c0\uac00 \ub9e4\uc6b0 \ub192\uc544 \uc2dc\uac01\uc801\uc73c\ub85c \uadf8 \ube5b\uc744 \uc778\uc2dd \ud560 \uc218 \uc5c6\uae30 \ub54c\ubb38\uc774\ub2e4. \uadf8\ubfd0\ub9cc\uc774 \uc544\ub2cc \uc778\ud504\ub77c\ub808\ub4dc (Infrared)\ub118\uc5b4 \uc790\ub9ac\ud558\ub294 \ube5b \ub610\ud55c \uc778\uc2dd \ud560 \uc218 \uc5c6\uac8c \ub418\ub294\ub370 \uadf8\ub4e4\uc774 \ub9e4\uc6b0 \ub0ae\uc740 \uc8fc\ud30c\uc218\ub97c \uc9c0\ub2c8\uae30 \ub54c\ubb38\uc774\ub2e4. \uadf8\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c \uc6b0\ub9ac\uc758 \uccad\uac01 \uae30\ub2a5 \ub610\ud55c \ub9e4\uc6b0 \ub0ae\uc740 \uc8fc\ud30c\uc218 \ud2b9\uc131\uc758 \uc0ac\uc6b4\ub4dc (Infra Sound)\uc640 \ub9e4\uc6b0 \ub192\uc740 \uc8fc\ud30c\uc218 \ud2b9\uc131\uc758 \uc6b8\ud2b8\ub77c \uc0ac\uc6b4\ub4dc (Ultra sound)\uc5d0 \ub300\ud574\uc11c\ub294 \uc778\uc2dd\uc744 \ud558\uc9c0 \ubabb\ud558\uac8c \ub41c\ub2e4.<\/p>\n<p>\uc544\ub798 \uadf8\ub9bc\uc5d0 \ub098\ud0c0\ub098\uc788\ub294 \uba87\uac1c\uc758 \uc6e8\uc774\ube0c\ub4e4\uc740 \uc624\ub514\uc624\uc5d0\uc11c \uc790\uc8fc \ubcfc \uc218 \uc788\ub294 \uc804\ud615\uc801\uc778 \ubb34\ud55c \uc218\uc758 \uac01\uae30 \ub2e4\ub978 \uc6e8\uc774\ube0c\ud615\ud0dc\ub97c \ub0b4\ubcf4\uc774\ub294 \uc804\ud615\uc801\uc778 \uc6e8\uc774\ube0c \ud615\ud0dc\ub97c \ub098\ud0c0\ub0b8 \uac83\uc774\ub2e4.\u00a0 \uc774\ub4e4 \uc6e8\uc774\ube0c\ub4e4\uc740 \uc624\uc2e4\ub85c\uc2a4\ucf54\ud504\uc758 \ud654\uba74\uc744 \ucea1\uccd0 \ud55c \uac83\uc73c\ub85c \uc6b0\uce21\uc740 \ucea1\uccd0 \ud55c \uac83\ub4e4\uc774 \ub0b4\ubcf4\uc774\ub294 \uc2dc\uadf8\ub110 \uc2a4\ud329\ud2b8\ub7fc\uc774\ub2e4. \uc6b0\uce21\uc758 \uc2a4\ud329\ud2b8\ub7fc\uc740 \uc2dc\uadf8\ub110 \uc5d0\ub108\uc9c0\ub4e4\uc774 \uc8fc\ud30c\uc218\uc5d0 \uc5b4\ub5bb\uac8c \ubd84\ud3ec \ub418\uc5b4 \uc788\ub294\uac00\ub97c \uc774\uc57c\uae30 \ud558\ub294 \uac83\uc774\ub2e4.<\/p>\n<p>\uc544\ub798\uadf8\ub9bc 1-13D\ub294 \uac00\uccad \ubc94\uc704\uc758 \uc2a4\ud329\ud2b8\ub7fc\uc73c\ub85c 5Hz \ud3ed\uc758 \ud30c\uc2a4\ubc34\ub4dc\uc640 (passbamd)\uc640 \ub9e4\uc6b0 \uc0e4\ud504\ud55c \ud544\ud130\ub97c \uc9c0\ub2c8\ub294 \uc6e8\uc774\ube0c \ud615\ud0dc \ubd84\uc11d \uc7a5\uce58\ub97c (wave form analyzer) \ud1b5\ud55c \uac83\uc774\ub2e4. \uc0ac\uc778 \uc6e8\uc774\ube0c\uc758 \uacbd\uc6b0 \ubaa8\ub4e0 \uc5d0\ub108\uc9c0\uac00 \ud558\ub098\uc758 \uc8fc\ud30c\uc218\uc5d0 \uc9d1\uc911\ub418\uc5b4 \uc788\ub294 \uac83\uc774\ub2e4. \uc0ac\uc778\uc6e8\uc774\ube0c\ub294 \ud2b9\ubcc4\ud55c \uc2dc\uadf8\ub0a0 \uc81c\ub124\ub808\uc774\ud130 (signal generator) \uc5d0 \uc758\ud558\uc5ec \ubc1c\uc0dd\ub41c \uac83\uc774\ub098 \uc644\ubcbd\ud55c \ud4e8\uc5b4(pure) \uc0ac\uc778 \uc6e8\uc774\ube0c\u00a0 \uc0c1\ud0dc\ub294 \uc544\ub2c8\ub2e4. \uadf8 \uc5b4\ub5a0\ud55c \uc624\uc2e4\ub808\uc774\ud130 \ub610\ud55c \uc644\ubcbd\ud558\uc9c0 \uc54a\uc73c\uba70 \uadf8\ub4e4 \ubaa8\ub450 \ud558\ubaa8\ub2c9 \uc694\uc18c\ub4e4\uc744 \uc9c0\ub2c8\uace0\uc788\ub2e4. \uadf8\ub7ec\ub098 \uc774 \uc0ac\uc778 \uc6e8\uc774\ube0c\uc5d0 \ub300\ud55c \uc2a4\uce90\ub2dd\uc5d0\uc11c\ub294 \uce21\uc815\ub41c \ud558\ubaa8\ub2c9\uc2a4\uac00 \uadf8\ub77c\ud504\uc5d0 \ub098\ud0c0\ub0b4 \ubcf4\uc774\uae30 \uc5b4\ub824\uc6b8 \uc815\ub3c4\ub85c \ub0ae\uac8c \ub098\ud0c0\ub098\uace0 \uc788\ub2e4.<\/p>\n<p><\uadf8\ub9bc1-13> \uae30\ubcf8\uc801\uc778 \uc6e8\uc774\ube0c\uc640 \ub178\uc774\uc988\ub97c \ube44\uad50\ud55c \uac83\uc73c\ub85c (A)\ub294 \ud558\ub098\uc758 \uc8fc\ud30c\uc218\uc758 \uc0ac\uc778 \uc6e8\uc774\ube0c\uc774\uba70\u00a0 (B)\ub294 \uc0bc\uac01\ud615 \uc6e8\uc774\ube0c (C)\ub294 \uae30\ubcf8 \uc8fc\ud30c\uc218\uc758 \ubc30\uc74c\uc5d0 \uc5ec\ub7ec \uac1c\uc758 \ud558\ubaa8\ub2c9\uc2a4\ub97c \uc9c0\ub2c8\ub3c4\ub85d \ud558\ub294 \uac83\uc774\uba70 (D)\ub294 \ub79c\ub364 \ub178\uc774\uc988 \uc774\ub2e4.<\/p>\n<p>\uc2dc\uadf8\ub110 \uc81c\ub124\ub808\uc774\ud130\ub85c \ubd80\ud130\uc758 \uc0bc\uac01\ud615 \uc6e8\uc774\ube0c\ub294 (Triangular waveform) \uae30\ubcf8\uc74c (Fundamental)\uc774 10\uc720\ub2db\uc744 \ub0b4\ubcf4\uc774\uace0 \uc788\uc73c\uba70 \ub450\ubc88\uc9f8 \ud558\ubaa8\ub2c9\uc2a4 f2\ub294 \ub2e8\uc9c0 0.21 \uc720\ub2db \ub9cc\uc744 \ub0b4\ubcf4\uc774\uace0 \uc788\ub2e4. 3\ubc88\uc9f8 \ud558\ubaa8\ub2c9\uc2a4\ub294 1.13\uc720\ub2db\uc758 \uc570\ud504\ub9ac\ud29c\ub4dc \ud2b9\uc131\uc744 \ub0b4\ubcf4\uc774\uace0 \uc788\uc73c\uba70 4\ubc88\uc9f8\ub294\u00a0 0.13\uc720\ub2db\uc744 \ub0b4\ubcf4\uc778\ub2e4. \ub098\uc544\uac00 \uc774\ub4e4\uc758 7\ubc88\uc9f8 \ud558\ubaa8\ub2c9\uc2a4\ub294 \u00a00.19\uc720\ub2db\uc744 \ub0b4\ubcf4\uc774\uace0 14\ubc88\uc9f8 \ud558\ubaa8\ub2c9\uc2a4(15KHz)\ub294 0.03\uc720\ub2db\uc744 \ub0b4\ubcf4\uc774\uace0 \uc788\uc73c\uba70 \uc774\ub4e4 \ud2b9\uc131\uc740 \uc5ec\uc804\ud788 \uc27d\uac8c \ud30c\uc545 \ub418\ub294 \uac83\uc73c\ub85c \ub098\ud0c0\ub098\uace0 \uc788\ub2e4. \uc0bc\uac01\ud615 \ud615\ud0dc\uc758 \uc6e8\uc774\ube0c\ub294 \ubcf4\ud1b5\uc758 \uc138\uae30\uc5d0\uc11c \uc804\uccb4 \uc624\ub514\uc624 \uc2a4\ud399\ud2b8\ub7fc\uc744 \ud1b5\ud574 \ud640\uc218\uc640 \uc9dd\uc218 \uc694\uc18c\ub4e4\uc744 \u00a0\uc9c0\ub2c8\uace0 \uc788\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\ub2e4.<\/p>\n<p>\ub9cc\uc77c \uc6b0\ub9ac\uac00 \uc774\ub4e4 \uac01\uac01\uc5d0 \ub300\ud55c \uc570\ud504\ub9ac\ud29c\ub4dc\uc640 \ud398\uc774\uc988 \ud2b9\uc131\uc5d0 \ub300\ud55c \ud30c\uc545\uc774 \uac00\ub2a5\ud558\ub2e4\uba74 \uadf8\ub4e4 \uac01\uac01\uc758 \uc6e8\uc774\ube0c\ub97c \ud569\ud558\uc5ec \uc0bc\uac01\ud615 \uc6e8\uc774\ube0c\uc758 (Triangular waveform)\u00a0 \ubcf8\ub798\uc758 \ud615\ud0dc\ub97c \ud569\uc131\ud574\ub0b4\ub294 \uac83\uc774 \uac00\ub2a5\ud558\uac8c \ub41c\ub2e4.<\/p>\n<p>\uc774\uc5d0 \ube44\uad50\ub420\ub9cc\ud55c \uc2a4\ud018\uc5b4 \uc6e8\uc774\ube0c\uc5d0 (Square waveform)\ub300\ud55c \ubd84\uc11d\uc774 \uadf8\ub9bcC\uc5d0 \ub098\ud0c0\ub098 \uc788\ub2e4. \uc774\ub4e4\uc740 \uc0bc\uac01\ud615 \uc6e8\uc774\ube0c\uc5d0 \ube44\ud558\uc5ec \ubcf4\ub2e4 \ub192\uc740 \uc570\ud504\ub9ac\ud29c\ub4dc \ud2b9\uc131\uc744 \ub0b4\ubcf4\uc774\uba70 \uadf8\ub4e4 \uad6c\ubd84\uc774 \uc9dd\uc218\ubcf4\ub2e4\ub294 \ud640\uc218 \ud558\ubaa8\ub2c9\uc2a4 \uc5d0\uc11c \ub69c\ub83f\uc774 \ub098\ud0c0\ub098\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\ub2e4.\u00a0 \uc2a4\ud018\uc5b4 \uc6e8\uc774\ube0c\uc5d0\uc11c 3\ubc88\uc9f8 \ud558\ubaa8\ub2c9\uc2a4\ub294 \uae30\ubcf8\uc74c\uc5d0 \ub300\ud558\uc5ec 34%\uc758 \uc570\ud504\ub9ac\ud29c\ub4dc \ud2b9\uc131\uc744 \ub0b4\ubcf4\uc774\uace0\uc788\uc73c\uba70 15\ubc88\uc9f8 \ud558\ubaa8\ub2c9\uc2a4\ub294 0.52\uc720\ub2db\uc744 \ub0b4\ubcf4\uc774\uace0 \uc788\ub2e4.\u00a0 \uc544\ub798\uc758 \uadf8\ub9bc 1-14A\ub294 \uc2a4\ud018\uc5b4 \uc6e8\uc774\ube0c\ub97c \ub098\ud0c0\ub0b8 \uac83\uc73c\ub85c \uc774\ub4e4 \ub610\ud55c \uae30\ubcf8\uc74c\uc5d0 \ud558\ubaa8\ub2c9\uc2a4\ub97c \ub354\ud558\ub294 \ubc29\uc2dd\uc73c\ub85c \ud569\uc131\ud574 \ub0b4\ub294 \uac83\uc774 \uac00\ub2a5\ud558\ub2e4. \uadf8\ub7ec\ub098 \uc774\ub4e4\uc744 \ud569\uc131\ud574 \ub0b4\uae30 \uc704\ud574\uc11c\ub294 \ubcf4\ub2e4 \ub9ce\uc740 \ud558\ubaa8\ub2c9\uc2a4 \ub4e4\uc774 \uae30\ubcf8 \uc8fc\ud30c\uc218\uc5d0 \ub354\ud574\uc838\uc57c \ud55c\ub2e4.<\/p>\n<p><\uadf8\ub9bc1-14> \uc2a4\ud018\uc5b4 \uc6e8\uc774\ube0c\ub294 \uc0ac\uc778\uc6e8\uc774\ube0c\uc758 \uae30\ubcf8 \uc8fc\ud30c\uc218\uc5d0 \ud558\ubaa8\ub2c9\uc2a4\ub97c \ub354\ud558\uc5ec \ub9cc\ub4e4 \uc218 \uc788\ub2e4. (A)\ub294 \uc2a4\ud018\uc5b4 \uc6e8\uc774\ube0c (B)\uae30\ubcf8 \uc8fc\ud30c\uc218\uc5d0 \ub450\uac1c\uc758 nonezero \ud558\ubaa8\ub2c9\uc2a4\ub97c \ub354\ud55c \uac83 (C)\uae30\ubcf8\uc8fc\ud30c\uc218\uc5d0 9\uac1c\uc758 none zero \ud558\ubaa8\ub2c9\uc2a4\ub97c \ub354\ud55c \uac83<\/p>\n<p>\uc608\ub97c \ub4e4\uc790\uba74, \uadf8\ub9bcB\ub294 \ub450\uac1c\uc758 none zero (0\uac00 \uc544\ub2cc) \ud558\ubaa8\ub2c9 \uc694\uc18c\ub97c \ub354\ud55c \uacb0\uacfc\uc774\uba70 \uadf8\ub9bcC\ub294 9\uac1c\uc758 none zero \ud558\ubaa8\ub2c9 \uc694\uc18c\ub4e4\uc744 \ub354\ud55c \uacb0\uacfc\uc774\ub2e4.\u00a0 \uc774\uac83\uc744 \ud1b5\ud574 \uc6b0\ub9ac\uac00 \uc54c\uc218 \uc788\ub294 \uac83\uc740 \uc8fc\ud30c\uc218 \ubc34\ub4dc\uac00 \uc81c\ud55c \ub418\uc5b4\uc788\ub294 \uc2a4\ud018\uc5b4 \uc6e8\uc774\ube0c(square wave)\uac00 \uc2e4\uc81c\ub85c\ub294 \uc2a4\ud018\uc5b4 \ud615\ud0dc\uc758 \ubaa8\uc2b5\uc744 \uc9c0\ub2c8\uc9c0 \uc54a\uace0 \uc788\ub294\uc9c0\ub97c \uc124\uba85\ud558\ub294 \uac83\uc774\ub2e4.<\/p>\n<p>\uc0ac\uc778 \uc6e8\uc774\ube0c, \uc0bc\uac01 \uc6e8\uc774\ube0c \uc2a4\ud018\uc5b4 \uc6e8\uc774\ube0c\uc758 \uc2a4\ud399\ud2b8\ub77c\ub294 \uadf8\ub4e4 \uac01\uac01\uc758 \ud558\ubaa8\ub2c9\uc2a4\uc5d0 \uc5b4\ub5a0\ud55c \uc5d0\ub108\uc9c0\uac00 \uc9d1\uc911 \ub418\uc5b4\uc788\ub294\uac00\ub97c \ub098\ud0c0\ub0b4 \ubcfc \uc218\ub294 \uc788\uc73c\ub098 \uadf8\ub4e4 \uc0ac\uc774\uc5d0 \ub300\ud55c \uac83\uc740 \uc804\ud600 \ub0b4\ubcf4\uc774\uc9c0 \ubabb\ud558\ub294 \uac83\uc73c\ub85c \ub41c\ub2e4. \uc774\ub4e4\uc740 \ubaa8\ub450 \uc2dc\uac04\uc801\uc73c\ub85c \ubc18\ubcf5 \ud2b9\uc131\uc744 (periodic) \ub0b4\ubcf4\uc774\ub294 \uc6e8\uc774\ube0c\ub85c \uadf8\ub4e4 \uc790\uccb4\uac00 \ud55c \uc0ac\uc774\ud074 \ub4a4\uc5d0 \ub610 \ub2e4\ub978 \uc0ac\uc774\ud074\uc744 \ub0b4\ubcf4\uc774\ub294 \uac83\uacfc \uac19\uc774 \uacc4\uc18d \ubc18\ubcf5\ub41c \ud2b9\uc131\uc744 \ub0b4\ubcf4\uc774\uac8c \ub41c\ub2e4.<br \/>\n4\ubc88\uc9f8 \uc608\uc81c\uc778 \uadf8\ub9bc1-13D\ub294 \ub79c\ub364 \ub178\uc774\uc988\uc774\ub2e4. \uc774 \uc2dc\uadf8\ub110\uc5d0 \ub300\ud55c \uc2a4\ud399\ud2b8\ub7fc\uc744 5hz\ubc34\ub4dc \ud328\uc2a4\ub97c \uc0ac\uc6a9\ud55c \uce21\uc815\uc740 \ub9cc\uc871\uc2a4\ub7ec\uc6b4 \uce21\uc815 \uacb0\uacfc\ub97c \ub0b4\ubcf4\uc774\uae30 \uc5b4\ub835\uac8c \ub41c\ub2e4.\u00a0 \uadf8 \uc8fc\ub41c \uc774\uc720\ub294 \uadf8\ub4e4 \ubcc0\ud654\ud3ed\uc774 \uc0c1\ub2f9\ud558\uc5ec \uadf8\uac83\uc744 \uc815\ud655\ud788 \uc77d\uc5b4\ub0b4\ub294 \uac83\uc774 \uac70\uc758 \ubd88\uac00\ub2a5 \ud558\uae30 \ub54c\ubb38\uc774\ub2e4. \ubcf4\ub2e4 \ub113\uc740 \uace0\uc815\ub41c \ud30c\uc2a4 \ubc34\ub4dc (pass band)\uc640 \uad00\ub828\ub41c \ub2e4\uc591\ud55c \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc2a4\ud399\ud2b8\ub7fc \ud615\ud0dc\ub97c \uc5bb\uc5b4\ub0b4\ub294 \uac83\uc774 \uac00\ub2a5\ud558\uac8c \ub41c\ub2e4.<\/p>\n<p>\uc774\ub4e4 \uc2a4\ud399\ud2b8\ub7fc\uc774 \uc6b0\ub9ac\uc5d0\uac8c \uc774\uc57c\uae30 \ud558\ub294 \uac83\uc740 \uac83\uc740 \ub79c\ub364 \ub178\uc774\uc988 \uc2dc\uadf8\ub110\uc758 \uc5d0\ub108\uc9c0\uac00 \uc804\uccb4 \uc2a4\ud329\ud2b8\ub7fc \uc0c1\uc5d0 \uace0\ub974\uac8c \ubd84\ud3ec\ub418 \uc788\ub2e4\ub294 \uac83\uc774\ub2e4. \uadf8\ub9bc\uc5d0 \ub098\ud0c0\ub098\ub294 \ub79c\ub364 \ub178\uc774\uc988\uc758 \uc704\ud3b8 \ub300\uc5ed\uc5d0 \ub864-\uc624\ud504\ub294 \ub79c\ub364 \ub178\uc774\uc988 \uc2dc\uadf8\ub110 \ubc1c\uc0dd\uae30\uac00 \uadf8 \uc704\ud3b8 \uc8fc\ud30c\uc218 \ud55c\uacc4\uc810\uc5d0 \ub3c4\ub2ec\ud574 \uc788\ub294 \uc0c1\ud0dc\ub97c \uac00\ub9ac\ud0a4\ub294 \uac83\uc774\ub2e4.<\/p>\n<p>\uc624\uc2e4\ub85c\uc2a4\ucf54\ud504\ub97c \ud1b5\ud574 \ub79c\ub364\ub178\uc774\uc988\uc640 \uc0ac\uc778 \uc6e8\uc774\ube0c\ub97c \ube44\uad50 \uad00\ucc30\ud574 \ubcf4\uba74 \uadf8\ub4e4 \uc0ac\uc774\uc5d0\ub294 \uacf5\ud1b5\ub41c \uc810\uc774 \uc5c6\uc74c\uc744 \uc54c \uc218 \uc788\uc73c\ub098 \uc0ac\uc2e4 \uadf8\ub4e4 \uc0ac\uc774\uc5d0\ub294 \uc228\uaca8\uc9c4 \uad00\uacc4\uc131\uc774 \uc788\ub2e4.<\/p>\n<p>\ub79c\ub364 \ub178\uc774\uc988\uac00 \uc8fc\ud30c\uc218, \uc570\ud504\ub9ac\ud29c\ub4dc, \ud398\uc774\uc988 \uc5d0 \ub300\ud55c \uacc4\uc18d\uc801\uc73c\ub85c \uc774\ub3d9\ub418\ub294 \uc0ac\uc778 \uc6e8\uc774\ube0c \uc694\uc18c\ub85c\uc11c \uad6c\uc131\uc774 \ub418\uc5b4\uc788\ub2e4 \ud560\uc9c0\ub77c\ub3c4 \uc774\ub4e4\uc744 \ub9e4\uc6b0 \uc138\ubc00\ud55c \ud544\ud130\ub97c \ud1b5\ud574 \ud1b5\uacfc\uc2dc\ud0a4\uace0 \uadf8\uac83\uc744 \uc624\uc2e4\ub85c\uc2a4\ucf54\ud504\ub85c \uad00\ucc30\ud558\uba74\u00a0 \uc774\ub4e4\uc774 \uac00\ub9cc\ud788 \uc788\uc9c0 \ubabb\ud558\ub294 \uc0ac\uc778 \uc6e8\uc774\ube0c \uac19\uc740 \ud615\ud0dc\uc758 \uac83\uc774 \uc570\ud504\ub9ac\ud29c\ub4dc \uc0c1\uc758 \uacc4\uc18d\uc801\uc73c\ub85c \uc6c0\uc9c1\uc784\uc744 \ub0b4\ubcf4\uc774\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\uac8c \ub41c\ub2e4. \uadf8\ub7fc\uc73c\ub85c \uc774\ub860\uc801\uc73c\ub85c \uc774\ub4e4 \ub79c\ub364 \ub178\uc774\uc988\ub85c\ubd80\ud130 \uc21c\uc218\ud55c \uc0ac\uc778 \uc6e8\uc774\ube0c \ud615\ud0dc\ub97c \uc5bb\uc5b4\ub0b4\ub294 \uac83\uc774 \uac00\ub2a5\ud558\uac8c \ub41c\ub2e4.<\/p>\n<p><strong>Electrical, Mechanical and Acoustical Analogs <\/strong><\/p>\n<p>\uc5b4\ucfe0\uc2a4\ud2f1\uc801\uc778 \uc2dc\uc2a4\ud15c\uc778 \uc2a4\ud53c\ucee4\uc758 \uacbd\uc6b0 \uc804\uae30\uc801 \ub610\ub294 \uae30\uacc4\uc801 \uc2dc\uc2a4\ud15c\uc73c\ub85c \uadf8\ub4e4\uc758 \uc758\ubbf8\ub97c \ub300\uc2e0 \ud560 \uc218 \uc788\uc73c\uba70\u00a0 \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \uc774\ub7ec\ud55c \ud2b9\uc131\uc744 \uc8fc\uc5b4\uc9c4 \uc2dc\uc2a4\ud15c\uc5d0 \ub300\ud55c \ubd84\uc11d\uc744 \uc704\ud558\uc5ec \uc218\ud559\uc801 \ubc29\uc2dd\uc73c\ub85c \uc811\uadfc \ud558\ub294 \uac83\uc774 \uac00\ub2a5\ud558\uac8c \ub41c\ub2e4.\u00a0 \uc608\ub97c \ub4e4\uc790\uba74, \ub77c\uc6b0\ub4dc \uc2a4\ud53c\ucee4\uc758 \uce90\ube44\ub137 \uc758 \uae30\ub2a5\uc801 \ud6a8\uacfc\ub294 \ubc00\ud3d0\ub41c \uacf5\uac04\uc5d0 \uc790\ub9ac\ud558\ub294 \u00a0\uacf5\uae30\uc640 \uac19\uc774 \ub610\ub294 \uc804\uc790\ud68c\ub85c\uc5d0\uc11c\uc758 \uce74\ud30c\uc2dc\ud130\uc640 \uac19\uc740 \uc5ed\ud560\uc740 \ud55c\ub2e4\uace0 \uc0dd\uac01\ud560 \uc218 \uc788\ub2e4.<\/p>\n<p>\uc544\ub798\uadf8\ub9bc\uc740 \uc804\uae30, \uae30\uacc4, \uc5b4\ucfe0\uc2a4\ud2f1 \uc2dc\uc2a4\ud15c\uc758 \uac00\uc7a5 \uae30\ubcf8\uc774 \ub418\ub294 3\uac00\uc9c0 \uc694\uc18c\ub4e4\uc744 \uadf8\ub798\ud53d\uc73c\ub85c \ub098\ud0c0\ub0b8 \uac83\uc774\ub2e4. \uc804\uae30 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc778\ub355\ud0c4\uc2a4 (Inductance)\ub294 \uae30\uacc4 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\uc758 \uc9c8\ub7c9\uacfc \uac19\uace0 \uc5b4\ucfe0\uc2a4\ud2f1 \uc5d0\uc11c\uc758 \uad00\uc131(inertance) \uc791\uc6a9 \uacfc \uac19\ub2e4. \uc804\uae30 \ud68c\ub85c\uc5d0\uc11c \uce74\ud30c\uc2dc\ud0c4\uc2a4(capacitance)\ub294 \uae30\uacc4 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\uc758 \ubcc0\ud615\ub825\ube44 (compliance)\uc640 \uac19\uc73c\uba70 \uc5b4\ucfe0\uc2a4\ud2f1 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\uc758 \uce74\ud30c\uc2dc\ud0c4\uc2a4(capacitance)\uc640 \uac19\uac8c \ub41c\ub2e4. \ub808\uc9c0\uc2a4\ud0c4\uc2a4\ub294 (resistance)\ub294 \uc774\ub4e4 3\uac00\uc9c0 \ubaa8\ub450 \ub3d9\uc77c\ud558\uac8c \uc800\ud56d \uc5ed\ud560\uc744 \ud558\ub294 \uac83\uc73c\ub85c \uc720\ub9ac \uc12c\uc720 \ub0b4\uc5d0\uc11c \uacf5\uae30 \uc785\uc790\ub4e4\uc758 \uc6c0\uc9c1\uc784 (\uc6b4\ub3d9)\uc5d0 \uc758\ud55c \ub9c8\ucc30\ub825\uc73c\ub85c \ubd80\ud130 \ub098\ud0c0\ub098\ub294 \uc5d0\ub108\uc9c0 \uc190\uc2e4, \ub9c8\ucc28 \ubc14\ud034\uc758 \ub9c8\ucc30\ub825\uc5d0 \uc758\ud55c \uc5d0\ub108\uc9c0 \uc190\uc2e4 \uadf8\ub9ac\uace0 \uc804\uae30 \ud68c\ub85c\uc5d0\uc11c \ucee4\ub80c\ud2b8(current)\uc758 \ud750\ub984\uacfc \uac19\uc740 \uac83\uc774\ub2e4.<\/p>\n<\/div><\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"tags":[],"portfolio_entries":[],"class_list":["post-4529","portfolio","type-portfolio","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/cinesori.co.kr\/index.php?rest_route=\/wp\/v2\/portfolio\/4529","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cinesori.co.kr\/index.php?rest_route=\/wp\/v2\/portfolio"}],"about":[{"href":"https:\/\/cinesori.co.kr\/index.php?rest_route=\/wp\/v2\/types\/portfolio"}],"author":[{"embeddable":true,"href":"https:\/\/cinesori.co.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cinesori.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4529"}],"version-history":[{"count":5,"href":"https:\/\/cinesori.co.kr\/index.php?rest_route=\/wp\/v2\/portfolio\/4529\/revisions"}],"predecessor-version":[{"id":4535,"href":"https:\/\/cinesori.co.kr\/index.php?rest_route=\/wp\/v2\/portfolio\/4529\/revisions\/4535"}],"wp:attachment":[{"href":"https:\/\/cinesori.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4529"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cinesori.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4529"},{"taxonomy":"portfolio_entries","embeddable":true,"href":"https:\/\/cinesori.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fportfolio_entries&post=4529"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}