{"id":2164,"date":"2022-04-21T16:13:34","date_gmt":"2022-04-21T07:13:34","guid":{"rendered":"http:\/\/ftz.myds.me\/wordpress\/?p=2164"},"modified":"2022-12-22T15:26:56","modified_gmt":"2022-12-22T06:26:56","slug":"%ec%86%8c%ec%9d%8c%eb%a0%88%eb%b2%a8","status":"publish","type":"post","link":"http:\/\/ftz.myds.me\/wordpress\/%ec%86%8c%ec%9d%8c%eb%a0%88%eb%b2%a8\/","title":{"rendered":"\uc18c\uc74c\ub808\ubca8"},"content":{"rendered":"\n<p class=\"has-text-align-right\">\uc18c\uc74c\ub808\ubca8<\/p>\n\n\n\n<h3>\uc74c\uc555\ub2e8\uc704(dB : Decibell)<\/h3>\n\n\n\n<ul><li>\uac00\uccad \uc8fc\ud30c\uc218\uc758 \ubc94\uc704 : 20~20,000[Hz]<\/li><li>\uc74c\uc758 \ud06c\uae30(\uc74c\uc555)\uc758 \ub2e8\uc704\ub85c\uc18c\ub294 \ub370\uc2dc\ubca8(dB)\uc774 \ub9ce\uc774 \uc0ac\uc6a9\ub418\ub098, \uc18c\uc74c\uc758 \ud06c\uae30\ub97c \uc9c0\uce6d\ud560 \uacbd\uc6b0\uc5d0 \ub294 \ud3f0()\uc744 \uc0ac\uc6a9\ud558\uae30\ub3c4 \ud55c\ub2e4<\/li><\/ul>\n\n\n\n<h3>\uc74c\uc555 \ub808\ubca8<\/h3>\n\n\n\n<ul><li>\uc74c\uc555\ub808\ubca8\uc740 \uc0c1\uc6a9\ub85c\uadf8\ub97c \ucde8\ud55c \uac12\uc778 Decibell\ub85c \ub098\ud0c0\ub0b4\ub294\ub370 \uc74c\uc555\ub808\ubca8 \uae30\uc900\uc740 0.0002[\u03bcbar]\uc744 \uae30\uc900\uc73c\ub85c \ud574\uc11c \ub098\ud0c0\ub0b8\ub2e4<\/li><\/ul>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[SPL=20\\log\\frac{P[\\mu bar]}{0.0002[\\mu bar]}=20\\log\\frac{P[Pa]}{2\\times 10^{-5}[Pa]}[dB]\\]<script src='http:\/\/ftz.myds.me\/wordpress\/wp-includes\/js\/dist\/vendor\/regenerator-runtime.min.js?ver=0.13.9' id='regenerator-runtime-js'><\/script>\n<script src='http:\/\/ftz.myds.me\/wordpress\/wp-includes\/js\/dist\/vendor\/wp-polyfill.min.js?ver=3.15.0' id='wp-polyfill-js'><\/script>\n<script src='http:\/\/ftz.myds.me\/wordpress\/wp-includes\/js\/dist\/hooks.min.js?ver=4169d3cf8e8d95a3d6d5' id='wp-hooks-js'><\/script>\n<script src='http:\/\/ftz.myds.me\/wordpress\/wp-includes\/js\/dist\/i18n.min.js?ver=9e794f35a71bb98672ae' id='wp-i18n-js'><\/script>\n<script id='wp-i18n-js-after'>\nwp.i18n.setLocaleData( { 'text direction\\u0004ltr': [ 'ltr' ] } );\n<\/script>\n<script  async src='https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/mathjax\/2.7.7\/MathJax.js?config=TeX-MML-AM_CHTML' id='mathjax-js'><\/script>\n<\/div>\n\n\n\n<ul><li>\uc74c\uc555 200[<span style=\"font-size: revert;\">\u03bcbar<\/span>]\uc744 [dB]\ub85c \ub098\ud0c0\ub0b4\uba74<\/li><\/ul>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[SPL=20\\log\\frac{200[\\mu bar]}{0.0002[\\mu bar]}=120[dB]\\]<\/div>\n\n\n\n<ul><li>\uadf8\ub7ec\ubbc0\ub85c \uc74c\uc555 200[<span style=\"font-size: revert;\">\u03bcbar<\/span>]\ub97c 120[dB]\uc774 \ub41c\ub2e4<\/li><\/ul>\n\n\n\n<h3>\uc74c\uc758 \uc794\ud5a5<\/h3>\n\n\n\n<ul><li>\ubc18\uc0ac\uc74c\uc758 \uac10\uc1c4 \uc815\ub3c4\uac00 \uc9c1\uc811\uc74c\ubcf4\uc790 60[]\uac10\uc1c4\ud558\ub294 \ub370 \uac78\ub9ac\ub294 \uc2dc\uac04\uc744 \uc794\ud5a5\uc774\ub77c \ud55c\ub2e4<\/li><\/ul>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[\\frac{1}{1,000}\ub85c \uac10\uc1c4\ud558\ub294 \ub370 \uac78\ub9ac\ub294 \uc2dc\uac04\\]\n\\[-60[dB]=20\\log\\frac{1}{1,000}\\]<\/div>\n\n\n\n<h3>\uc804\ub825, \uc804\ub958, \uc804\uc555\uc5d0 \ub300\ud55c \uc774\ub4dd<\/h3>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[\uc804\ub825 : dB=10\\log\\frac{P_{out}}{P_{in}}[dB]\\]\n\\[\uc804\ub958 : dB=20\\log\\frac{P_{out}}{P_{in}}[dB]\\]\n\\[\uc804\uc555 : dB=20\\log\\frac{P_{out}}{P_{in}}[dB]\\]<\/div>\n\n\n\n<h6><strong><em><a rel=\"noopener\" href=\"http:\/\/ftz.myds.me\/wordpress\/ic-%ec%a0%84%ea%b8%b0%ec%9d%b4%eb%a1%a0%ec%9d%98-%ed%95%b4%ec%84%9d\/\" target=\"_blank\">\u2606 \uc804\uae30\uc774\ub860\uc758 \ud574\uc11dB<\/a>  <br><a rel=\"noopener\" href=\"http:\/\/ftz.myds.me\/wordpress\/%ec%8b%9c%ec%a0%95%ec%88%98\/\" target=\"_blank\">\uc2dc\uc815\uc218<\/a> <br><a rel=\"noopener\" href=\"http:\/\/ftz.myds.me\/wordpress\/%eb%8b%a8%ec%9c%84%eb%b2%95-%ed%8d%bc%ec%84%bc%ed%8a%b8%ec%9e%84%ed%94%bc%eb%8d%98%ec%8a%a4%eb%b2%95\/\" target=\"_blank\">\ub2e8\uc704\ubc95 \ud37c\uc13c\ud2b8\uc784\ud53c\ub358\uc2a4\ubc95<\/a>   <br><a rel=\"noreferrer noopener\" href=\"http:\/\/ftz.myds.me\/wordpress\/%EC%97%B4%EC%A0%84%ED%98%84%EC%83%81\/\" target=\"_blank\">\uc5f4\uc804\ud6a8\uacfc<\/a>*  <br><a rel=\"noopener\" href=\"http:\/\/ftz.myds.me\/wordpress\/%ed%95%80%ec%b9%98%ed%9a%a8%ea%b3%bc-%ed%99%80%ed%9a%a8%ea%b3%bc-%ec%8a%a4%ed%8a%b8%eb%a0%88%ec%b9%98-%ed%9a%a8%ea%b3%bc\/\" target=\"_blank\">\ud540\uce58\ud6a8\uacfc \ud640\ud6a8\uacfc \uc2a4\ud2b8\ub808\uce58 \ud6a8\uacfc <\/a>  <br><a rel=\"noopener\" href=\"http:\/\/ftz.myds.me\/wordpress\/%ed%94%8c%eb%9d%bc%ec%8a%a4%eb%a7%88\/\" target=\"_blank\">\ud50c\ub77c\uc2a4\ub9c8<\/a>  <br><a rel=\"noopener\" href=\"http:\/\/ftz.myds.me\/wordpress\/%ec%86%8c%ec%9d%8c%eb%a0%88%eb%b2%a8\/\" target=\"_blank\">\uc18c\uc74c\ub808\ubca8<\/a>   <br><a rel=\"noopener\" href=\"http:\/\/ftz.myds.me\/wordpress\/%ec%8b%a0%eb%a2%b0%eb%8f%84\/\" target=\"_blank\">\uc2e0\ub8b0\ub3c4<\/a>  <\/em><\/strong><\/h6>\n","protected":false},"excerpt":{"rendered":"<p>\uc18c\uc74c\ub808\ubca8 \uc74c\uc555\ub2e8\uc704(dB : Decibell) \uac00\uccad \uc8fc\ud30c\uc218\uc758 \ubc94\uc704 : 20~20,000[Hz] \uc74c\uc758 \ud06c\uae30(\uc74c\uc555)\uc758 \ub2e8\uc704\ub85c\uc18c\ub294 \ub370\uc2dc\ubca8(dB)\uc774 \ub9ce\uc774 \uc0ac\uc6a9\ub418\ub098, \uc18c\uc74c\uc758 \ud06c\uae30\ub97c \uc9c0\uce6d\ud560 \uacbd\uc6b0\uc5d0 \ub294 \ud3f0()\uc744 \uc0ac\uc6a9\ud558\uae30\ub3c4 \ud55c\ub2e4 \uc74c\uc555 \ub808\ubca8 \uc74c\uc555\ub808\ubca8\uc740 \uc0c1\uc6a9\ub85c\uadf8\ub97c \ucde8\ud55c \uac12\uc778 Decibell\ub85c \ub098\ud0c0\ub0b4\ub294\ub370 \uc74c\uc555\ub808\ubca8 \uae30\uc900\uc740 0.0002[\u03bcbar]\uc744 \uae30\uc900\uc73c\ub85c \ud574\uc11c \ub098\ud0c0\ub0b8\ub2e4 \uc74c\uc555 200[\u03bcbar]\uc744 [dB]\ub85c \ub098\ud0c0\ub0b4\uba74 \uadf8\ub7ec\ubbc0\ub85c \uc74c\uc555 200[\u03bcbar]\ub97c 120[dB]\uc774 \ub41c\ub2e4 \uc74c\uc758 \uc794\ud5a5 \ubc18\uc0ac\uc74c\uc758 \uac10\uc1c4 \uc815\ub3c4\uac00 \uc9c1\uc811\uc74c\ubcf4\uc790 60[]\uac10\uc1c4\ud558\ub294 \ub370 \uac78\ub9ac\ub294 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/posts\/2164"}],"collection":[{"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/comments?post=2164"}],"version-history":[{"count":0,"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/posts\/2164\/revisions"}],"wp:attachment":[{"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/media?parent=2164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/categories?post=2164"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/tags?post=2164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}