{"id":208713,"date":"2024-03-21T14:06:59","date_gmt":"2024-03-21T14:06:59","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ea%b4%91%ed%86%b5%ec%8b%a0-%ec%8b%9c%ec%8a%a4%ed%85%9c-%eb%b0%a9%ec%a0%95%ec%8b%9d-%ec%9b%90%eb%a6%ac-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ed%99%9c%ec%9a%a9\/"},"modified":"2024-05-15T11:31:57","modified_gmt":"2024-05-15T11:31:57","slug":"%ea%b4%91%ed%86%b5%ec%8b%a0-%ec%8b%9c%ec%8a%a4%ed%85%9c-%eb%b0%a9%ec%a0%95%ec%8b%9d-%ec%9b%90%eb%a6%ac-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ed%99%9c%ec%9a%a9","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ea%b4%91%ed%86%b5%ec%8b%a0-%ec%8b%9c%ec%8a%a4%ed%85%9c-%eb%b0%a9%ec%a0%95%ec%8b%9d-%ec%9b%90%eb%a6%ac-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ed%99%9c%ec%9a%a9\/","title":{"rendered":"\uad11\ud1b5\uc2e0 \uc2dc\uc2a4\ud15c \ubc29\uc815\uc2dd | \uc6d0\ub9ac, \uacc4\uc0b0 \ubc0f \ud65c\uc6a9"},"content":{"rendered":"<p class=\"sidekick\">\uc774 \uae30\uc0ac\ub294 \uad11\ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc758 \uc6d0\ub9ac, \uad6c\uc870 \ubc0f \uc8fc\uc694 \uacc4\uc0b0 \ubc29\ubc95\uc744 \uc124\uba85\ud558\uba70, \ud604\ub300 \uae30\uc220 \ud658\uacbd\uc5d0\uc11c\uc758 \uadf8 \uc911\uc694\uc131\uc744 \uac15\uc870\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uad11\ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc758 \uae30\ucd08 \uc774\ud574<\/h2>\n<p>\uad11\ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc740 \uad11\uc12c\uc720\ub97c \ud1b5\ud574 \ube5b\uc758 \ud615\ud0dc\ub85c \ub370\uc774\ud130\ub97c \uc804\uc1a1\ud558\ub294 \uae30\uc220\uc744 \ub9d0\ud569\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc5d0\uc11c \ubb3c\ub9ac\ud559\uc758 \uc6d0\ub9ac\uac00 \ud06c\uac8c \uc791\uc6a9\ud558\uba70, \uc804\uae30\uc640 \uc790\uae30\uc758 \uae30\ubcf8 \ubc95\uce59\ub4e4\uc774 \uc801\uc6a9\ub429\ub2c8\ub2e4. \uad11\ud1b5\uc2e0\uc740 \uace0\uc18d \ub370\uc774\ud130 \uc804\uc1a1\uc774 \ud544\uc218\uc801\uc778 \ud604\ub300 \ud1b5\uc2e0\uc5d0\uc11c \uc911\ucd94\uc801\uc778 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n<h2>\uad11\ud1b5\uc2e0\uc758 \uc6d0\ub9ac<\/h2>\n<p>\uad11\ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uac00\uc7a5 \uae30\ubcf8\uc774 \ub418\ub294 \uc6d0\ub9ac\ub294 <strong>\uc804\uc790\uae30\ud30c<\/strong>\uc758 \uc804\uc1a1\uc785\ub2c8\ub2e4. \ube5b\uc740 \uc804\uc790\uae30\ud30c\uc758 \uc77c\uc885\uc73c\ub85c, \uacfc\ud559\uc801\uc73c\ub85c\ub294 \ud30c\ub3d9 \ub610\ub294 \uc785\uc790\uc758 \ud615\ud0dc\ub85c \ucde8\uae09\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uad11\ud1b5\uc2e0\uc5d0\uc11c\ub294 \uc774 \ube5b\uc774 \uad11\uc12c\uc720\ub97c \ud1b5\ud574 \uc2e0\ud638\ub97c \uc804\ub2ec\ud558\ub294 \ub9e4\uac1c\uccb4\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uad11\uc12c\uc720\ub294 \ud2b9\uc218\ud558\uac8c \uc81c\uc791\ub41c \uc720\ub9ac\ub098 \ud50c\ub77c\uc2a4\ud2f1 \uc12c\uc720\ub85c, \ube5b\uc774 \uc12c\uc720 \uc548\uc5d0\uc11c \ubc18\uc0ac\ub418\uba70 \uc9c4\ud589\ud558\ub294 <strong>\uc804\ubc18\uc0ac<\/strong> \uc6d0\ub9ac\ub97c \uc774\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uad11\ud1b5\uc2e0 \uc2dc\uc2a4\ud15c \ubc29\uc815\uc2dd<\/h2>\n<p>\uad11\ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc758 \uc124\uacc4\uc640 \ubd84\uc11d\uc744 \uc704\ud574\uc11c\ub294 \uc5ec\ub7ec \uac00\uc9c0 \ubcf5\uc7a1\ud55c \uc218\ud559\uc801 \ubc29\uc815\uc2dd\uc744 \uc774\ud574\ud560 \ud544\uc694\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc911 \uac00\uc7a5 \uc911\uc694\ud55c \uac83\uc740 <strong>\ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd<\/strong>\uacfc <strong>\ud30c\ub3d9 \ubc29\uc815\uc2dd<\/strong>\uc785\ub2c8\ub2e4. \ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd\uc740 \uc804\uc790\uae30\uc7a5\uc758 \uae30\ubcf8\uc801\uc778 \ub3d9\uc791\uc744 \uc124\uba85\ud558\uba70, \uad11\ud1b5\uc2e0\uc5d0\uc11c\ub294 \uc774\ub97c \ubc14\ud0d5\uc73c\ub85c \ube5b\uc758 \uc804\ud30c \ubc29\uc2dd\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. <\/p>\n<pre>\n\\[ \\nabla \\cdot \\mathbf{E} = \\frac {\\rho} {\\epsilon_0} \\]\n\\[ \\nabla \\cdot \\mathbf{B} = 0 \\]\n\\[ \\nabla \\times \\mathbf{E} = -\\frac{\\partial \\mathbf{B}}{\\partial t} \\]\n\\[ \\nabla \\times \\mathbf{B} = \\mu_0\\mathbf{J} + \\mu_0\\epsilon_0\\frac{\\partial \\mathbf{E}}{\\partial t} \\]\n<\/pre>\n<p>\uc5ec\uae30\uc11c, \\(\\mathbf{E}\\)\ub294 \uc804\uae30\uc7a5, \\(\\mathbf{B}\\)\ub294 \uc790\uae30\uc7a5, \\(\\rho\\)\ub294 \uc804\ud558 \ubc00\ub3c4, \\(\\epsilon_0\\)\ub294 \uc9c4\uacf5\uc758 \uc720\uc804\uc728, \\(\\mu_0\\)\ub294 \uc9c4\uacf5\uc758 \ud22c\uc790\uc728\uc774\uba70, \\(\\mathbf{J}\\)\ub294 \uc804\ub958 \ubc00\ub3c4\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n<h2>\uad11\ud1b5\uc2e0\uc758 \uacc4\uc0b0<\/h2>\n<p>\uad11\ud1b5\uc2e0 \uc2dc\uc2a4\ud15c \uc124\uacc4\uc5d0 \uc788\uc5b4 \ud544\uc218\uc801\uc778 \uacc4\uc0b0 \uc911 \ud558\ub098\ub294 <strong>\uc2e0\ud638 \uc190\uc2e4<\/strong>\uc758 \uacc4\uc0b0\uc785\ub2c8\ub2e4. \uc2e0\ud638\uac00 \uad11\uc12c\uc720\ub97c \ud1b5\uacfc\ud560 \ub54c \ubc1c\uc0dd\ud558\ub294 \uc190\uc2e4\uc740 \uc8fc\ub85c \ud761\uc218\uc640 \uc0b0\ub780 \ub54c\ubb38\uc774\uba70, \uc774\ub97c \ucd5c\uc18c\ud654\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uc190\uc2e4 \uacc4\uc0b0\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc740 \uc2dd\uc73c\ub85c \ud45c\ud604\ub429\ub2c8\ub2e4:<\/p>\n<pre>\n\\[ L = 10 \\log_{10} \\left(\\frac{P_{in}}{P_{out}}\\right) \\]\n<\/pre>\n<p>\uc5ec\uae30\uc11c, \\(L\\)\uc740 \uc190\uc2e4(dB), \\(P_{in}\\)\uc740 \uc785\ub825 \ud30c\uc6cc, \\(P_{out}\\)\uc740 \ucd9c\ub825 \ud30c\uc6cc\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n<h2>\uad11\ud1b5\uc2e0\uc758 \ud65c\uc6a9<\/h2>\n<p>\ud604\ub300 \uc0ac\ud68c\uc5d0\uc11c \uad11\ud1b5\uc2e0 \uae30\uc220\uc740 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \ud65c\uc6a9\ub429\ub2c8\ub2e4. \uc778\ud130\ub137 \ubc31\ubcf8\ub9dd, \ub370\uc774\ud130 \uc13c\ud130 \uac04\uc758 \uace0\uc18d \ub370\uc774\ud130 \uc804\uc1a1, \uadf8\ub9ac\uace0 \ud154\ub808\ucee4\ubba4\ub2c8\ucf00\uc774\uc158\uc740 \ubaa8\ub450 \uad11\ud1b5\uc2e0 \uae30\uc220\uc744 \uae30\ubc18\uc73c\ub85c \ud569\ub2c8\ub2e4. \ub610\ud55c, \uc758\ub8cc \ubd84\uc57c\uc5d0\uc11c\ub3c4 \ubbf8\uc138 \uce74\uba54\ub77c\uc640 \uac19\uc740 \uad11\ud1b5\uc2e0 \uae30\ubc18 \uae30\uc220\uc774 \uc0ac\uc6a9\ub418\uc5b4 \uc815\ubc00\ud55c \uc9c4\ub2e8\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/p>\n<p>\uc774\ucc98\ub7fc \uad11\ud1b5\uc2e0\uc740 \uadf8 \uc6d0\ub9ac\ubd80\ud130 \uc751\uc6a9\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ub9e4\uc6b0 \ub2e4\uc591\ud55c \uc9c0\uc2dd\uacfc \uae30\uc220\uc774 \ud544\uc694\ud55c \ubd84\uc57c\uc785\ub2c8\ub2e4. \uad11\ud1b5\uc2e0\uc758 \uae30\ucd08\ub97c \uc774\ud574\ud558\ub294 \uac83\uc740 \ud604\ub300 \uacfc\ud559\uae30\uc220\uc744 \uc774\ud574\ud558\ub294 \ub370 \uc788\uc5b4 \uc911\uc694\ud55c \uccab \uac78\uc74c\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc774 \uae30\uc0ac\ub294 \uad11\ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc758 \uc6d0\ub9ac, \uad6c\uc870 \ubc0f \uc8fc\uc694 \uacc4\uc0b0 \ubc29\ubc95\uc744 \uc124\uba85\ud558\uba70, \ud604\ub300 \uae30\uc220 \ud658\uacbd\uc5d0\uc11c\uc758 \uadf8 \uc911\uc694\uc131\uc744 \uac15\uc870\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[94],"tags":[95],"class_list":["post-208713","post","type-post","status-publish","format-standard","hentry","category-94","tag-95","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\uad11\ud1b5\uc2e0 \uc2dc\uc2a4\ud15c \ubc29\uc815\uc2dd | \uc6d0\ub9ac, \uacc4\uc0b0 \ubc0f \ud65c\uc6a9<\/title>\n<meta name=\"description\" content=\"\uc774 \uae30\uc0ac\ub294 \uad11\ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc758 \uc6d0\ub9ac, \uad6c\uc870 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