{"id":208914,"date":"2024-03-21T14:08:14","date_gmt":"2024-03-21T14:08:14","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%a0%84%ed%8c%8c-%ec%83%81%ec%88%98-%ec%a0%95%ec%9d%98-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ec%9d%91%ec%9a%a9-2\/"},"modified":"2024-05-15T11:34:57","modified_gmt":"2024-05-15T11:34:57","slug":"%ec%a0%84%ed%8c%8c-%ec%83%81%ec%88%98-%ec%a0%95%ec%9d%98-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ec%9d%91%ec%9a%a9-2","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%a0%84%ed%8c%8c-%ec%83%81%ec%88%98-%ec%a0%95%ec%9d%98-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ec%9d%91%ec%9a%a9-2\/","title":{"rendered":"\uc804\ud30c \uc0c1\uc218 | \uc815\uc758, \uacc4\uc0b0 \ubc0f \uc751\uc6a9"},"content":{"rendered":"<p class=\"sidekick\">\uc804\ud30c \uc0c1\uc218\ub294 \uc804\uc790\uae30 \ud30c\ub3d9\uc758 \uac10\uc1e0\uc640 \uc704\uc0c1 \ubcc0\ud654\ub97c \ub098\ud0c0\ub0b4\ub294 \ubcf5\uc18c\uc218 \uc0c1\uc218\ub85c \uc804\uc1a1\uc120 \uc774\ub860\uc5d0\uc11c \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc804\ud30c \uc0c1\uc218\ub780 \ubb34\uc5c7\uc778\uac00?<\/h2>\n<p>\uc804\ud30c \uc0c1\uc218(Propagation Constant)\ub294 \uc804\ud30c \uc804\ub2ec \ub9e4\uccb4\ub97c \ud1b5\uacfc\ud560 \ub54c\uc758 \uc804\ud30c\uc758 \uac10\uc1e0\uc640 \uc704\uc0c1 \ubcc0\ud654\ub97c \uc124\uba85\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \ubcf5\uc18c\uc218 \uc0c1\uc218\uc785\ub2c8\ub2e4. \uc774 \uc0c1\uc218\ub294 \uc804\uc790\uae30 \ud30c\ub3d9\uc774 \uc804\uc1a1\uc120\uc744 \ub530\ub77c \uc5bc\ub9c8\ub098 \ube68\ub9ac \uac10\uc18c\ud558\uace0, \ubcc0\ud615\ub418\ub294\uc9c0\ub97c \ub098\ud0c0\ub0b4\uba70, \uad6c\uccb4\uc801\uc73c\ub85c \uc804\uc1a1\uc120\uc774\ub098 \uad11\uc12c\uc720\uc640 \uac19\uc740 \ub9e4\uccb4\uc5d0\uc11c \ud30c\ub3d9\uc758 \ud589\ub3d9\uc744 \uc124\uba85\ud558\ub294 \ub370 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc804\ud30c \uc0c1\uc218\uc758 \uacc4\uc0b0<\/h2>\n<p>\uc804\ud30c \uc0c1\uc218 $\\gamma$\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<p>\\[<br \/>\n\\gamma = \\alpha + j\\beta<br \/>\n\\]<\/p>\n<p>\uc5ec\uae30\uc11c $\\alpha$\ub294 \uac10\uc1e0 \uc0c1\uc218(attenuation constant)\ub85c \ub9e4\uccb4\ub97c \ud1b5\uacfc\ud560 \ub54c \ud30c\ub3d9\uc758 \uc138\uae30\uac00 \uc5bc\ub9c8\ub098 \uac10\uc18c\ud558\ub294\uc9c0\ub97c \ub098\ud0c0\ub0b4\uace0, $j$\ub294 \ud5c8\uc218 \ub2e8\uc704, $\\beta$\ub294 \uc704\uc0c1 \uc0c1\uc218(phase constant)\ub85c \ud30c\ub3d9\uc758 \uc704\uc0c1 \ubcc0\ud654\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n<p>\uc804\ud30c \uc0c1\uc218\ub294 \uc8fc\ub85c <b>\uc804\uc1a1\uc120 \uc774\ub860(transmission line theory)<\/b>\uc5d0\uc11c \ud30c\uc0dd\ub418\uba70, \uc8fc\ud30c\uc218\uc640 \ub9e4\uccb4\uc758 \ud2b9\uc131\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc804\uc1a1\uc120\uc758 \ud2b9\uc131 \uc784\ud53c\ub358\uc2a4\uc640 \uc804\uc1a1 \uacc4\uc218 \ub4f1\uc744 \uacc4\uc0b0\ud560 \ub54c \uc774\ub7ec\ud55c \uc0c1\uc218\uac00 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc804\ud30c \uc0c1\uc218 $\\gamma$\uc758 \uc77c\ubc18\uc801\uc778 \uacc4\uc0b0 \ubc29\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<p>\\[<br \/>\n\\gamma = \\sqrt{(R + j \\omega L)(G + j \\omega C)}<br \/>\n\\]<\/p>\n<p>\uc5ec\uae30\uc11c \\( R \\)\uc740 \uc800\ud56d(resistance), \\( L \\)\uc740 \uc778\ub355\ud134\uc2a4(inductance), \\( G \\)\uc740 \uc804\ub3c4\ub3c4(conductance), \\( C \\)\uc740 \uc804\uae30\uc6a9\ub7c9(capacitance), \uadf8\ub9ac\uace0 \\( \\omega \\)\ub294 \uac01 \uc8fc\ud30c\uc218(angular frequency, \\( \\omega = 2\\pi f \\), \\( f \\)\ub294 \uc8fc\ud30c\uc218)\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc804\ud30c \uc0c1\uc218\uc758 \uc751\uc6a9<\/h2>\n<p>\uc804\ud30c \uc0c1\uc218\ub294 \uc804\uc790 \ubc0f \ud1b5\uc2e0 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1\uc5d0\uc11c \uad11\ubc94\uc704\ud558\uac8c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ud2b9\ud788 \ub2e4\uc74c\uacfc \uac19\uc740 \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><b>\uc804\uc1a1\uc120 \uc124\uacc4:<\/b> \ucf00\uc774\ube14, \uad11\uc12c\uc720, \ub9c8\uc774\ud06c\ub85c\uc2a4\ud2b8\ub9bd \ub77c\uc778 \ub4f1\uc758 \uc804\uc1a1\uc120\uc744 \uc124\uacc4\ud560 \ub54c \uac10\uc1e0 \ubc0f \uc704\uc0c1 \ubcc0\ud654\ub97c \uc608\uce21\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li><b>\uc548\ud14c\ub098 \uc124\uacc4:<\/b> \uc548\ud14c\ub098\uc758 \uc131\ub2a5\uacfc \ubc29\uc0ac \ud328\ud134\uc744 \ucd5c\uc801\ud654\ud558\uae30 \uc704\ud574 \uc804\ud30c \uc0c1\uc218\uac00 \uace0\ub824\ub429\ub2c8\ub2e4.<\/li>\n<li><b>\uc2e0\ud638 \ucc98\ub9ac:<\/b> \uc2e0\ud638\uac00 \ub9e4\uccb4\ub97c \ud1b5\ud574 \uc5b4\ub5bb\uac8c \uc804\ud30c\ub418\uace0 \uac10\uc1e0\ud558\ub294\uc9c0\ub97c \uc774\ud574\ud568\uc73c\ub85c\uc368 \ub354 \ud6a8\uc728\uc801\uc778 \uc2e0\ud638 \ucc98\ub9ac \uc54c\uace0\ub9ac\uc998\uc744 \uac1c\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc774\ucc98\ub7fc \uc804\ud30c \uc0c1\uc218\ub294 \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc758 \uc124\uacc4 \ubc0f \ubd84\uc11d\uc5d0 \ud544\uc218\uc801\uc778 \uc694\uc18c\ub85c\uc11c, \ud30c\ub3d9\uc758 \uc804\uc1a1 \ud2b9\uc131\uc744 \uc815\ud655\ud788 \uc774\ud574\ud558\uace0 \uc608\uce21\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc740 \uc774\ub7ec\ud55c \uc9c0\uc2dd\uc744 \ud65c\uc6a9\ud574 \ubcf4\ub2e4 \uc2e0\ub8b0\uc131 \ub192\uace0 \ud6a8\uc728\uc801\uc778 \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc744 \uad6c\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc815\ub9ac\ud558\uba74, \uc804\ud30c \uc0c1\uc218\ub294 \uc804\uc790 \ubc0f \ud1b5\uc2e0 \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\ud55c \uc774\ub860\uc801 \ub3c4\uad6c\ub85c\uc11c, \ub2e4\uc591\ud55c \uc804\uc790\uae30 \ub9e4\uccb4\uc5d0\uc11c \ud30c\ub3d9\uc758 \uac10\uc1e0\uc640 \uc704\uc0c1 \ubcc0\ud654\ub97c \uc801\uc808\ud788 \ucc98\ub9ac\ud558\uace0 \uc774\ud574\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub354 \ub098\uc740 \ud1b5\uc2e0 \ub9e4\uccb4\uc640 \uc2dc\uc2a4\ud15c\uc758 \uc124\uacc4\uac00 \uac00\ub2a5\ud574\uc9d1\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc804\ud30c \uc0c1\uc218\ub294 \uc804\uc790\uae30 \ud30c\ub3d9\uc758 \uac10\uc1e0\uc640 \uc704\uc0c1 \ubcc0\ud654\ub97c \ub098\ud0c0\ub0b4\ub294 \ubcf5\uc18c\uc218 \uc0c1\uc218\ub85c \uc804\uc1a1\uc120 \uc774\ub860\uc5d0\uc11c \uc911\uc694\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-208914","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>\uc804\ud30c \uc0c1\uc218 | \uc815\uc758, \uacc4\uc0b0 \ubc0f \uc751\uc6a9<\/title>\n<meta name=\"description\" content=\"\uc804\ud30c \uc0c1\uc218\ub294 \uc804\uc790\uae30 \ud30c\ub3d9\uc758 \uac10\uc1e0\uc640 \uc704\uc0c1 \ubcc0\ud654\ub97c \ub098\ud0c0\ub0b4\ub294 \ubcf5\uc18c\uc218 \uc0c1\uc218\ub85c \uc804\uc1a1\uc120 \uc774\ub860\uc5d0\uc11c \uc911\uc694\ud569\ub2c8\ub2e4.\" \/>\n<meta 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