{"id":147557,"date":"2024-04-27T14:24:16","date_gmt":"2024-04-27T14:24:16","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%b4%88%ec%9d%8c%ed%8c%8c-%ea%b7%bc%ec%a0%91-%ec%84%bc%ec%84%9c\/"},"modified":"2024-04-27T14:24:16","modified_gmt":"2024-04-27T14:24:16","slug":"%ec%b4%88%ec%9d%8c%ed%8c%8c-%ea%b7%bc%ec%a0%91-%ec%84%bc%ec%84%9c","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%b4%88%ec%9d%8c%ed%8c%8c-%ea%b7%bc%ec%a0%91-%ec%84%bc%ec%84%9c\/","title":{"rendered":"\ucd08\uc74c\ud30c \uadfc\uc811 \uc13c\uc11c"},"content":{"rendered":"<p class=\"sidekick\">\ucd08\uc74c\ud30c \uadfc\uc811 \uc13c\uc11c\uc758 \uc6d0\ub9ac \ubc0f \ud65c\uc6a9\uc744 \uc124\uba85\ud558\uace0, \uac70\ub9ac \uce21\uc815 \ubc29\uc2dd\uacfc \uc751\uc6a9 \ubd84\uc57c, \uadf8\ub9ac\uace0 \ud55c\uacc4\uc810\uae4c\uc9c0 \uc0b4\ud3b4\ubd05\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/\ucd08\uc74c\ud30c-\uadfc\uc811-\uc13c\uc11c.png\" alt=\"\ucd08\uc74c\ud30c \uadfc\uc811 \uc13c\uc11c\"\/><\/p>\n<h2>\ucd08\uc74c\ud30c \uadfc\uc811 \uc13c\uc11c\uc758 \uae30\ubcf8 \uc6d0\ub9ac<\/h2>\n<p>\n\ucd08\uc74c\ud30c \uadfc\uc811 \uc13c\uc11c\ub294 \uc774\ub984\uc5d0\uc11c \uc54c \uc218 \uc788\ub4ef\uc774 \ucd08\uc74c\ud30c\ub97c \uc774\uc6a9\ud574 \ubb3c\uccb4\uc640\uc758 \uac70\ub9ac\ub97c \uac10\uc9c0\ud558\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4. \ucd08\uc74c\ud30c\ub780 \uc778\uac04\uc758 \uadc0\uc5d0 \ub4e4\ub9ac\uc9c0 \uc54a\ub294, \uc8fc\ud30c\uc218\uac00 \ub9e4\uc6b0 \ub192\uc740 \uc18c\ub9ac \ud30c\ub3d9\uc744 \ub9d0\ud558\ub294\ub370, \uc774\ub97c \ud65c\uc6a9\ud558\uc5ec \ub2e4\uc591\ud55c \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c \uac70\ub9ac \uce21\uc815, \uc704\uce58 \uac10\uc9c0, \uc7a5\uc560\ubb3c \ud0d0\uc9c0 \ub4f1\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4.\n<\/p>\n<h2>\ucd08\uc74c\ud30c \uadfc\uc811 \uc13c\uc11c\uc758 \uc791\ub3d9 \uc6d0\ub9ac<\/h2>\n<p>\n\ucd08\uc74c\ud30c \uadfc\uc811 \uc13c\uc11c\ub294 \ud06c\uac8c \ubc1c\uc2e0\uae30(transmitter)\uc640 \uc218\uc2e0\uae30(receiver)\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4. \uc13c\uc11c\ub294 \ubc1c\uc2e0\uae30\ub97c \ud1b5\ud574 \ucd08\uc74c\ud30c \uc2e0\ud638\ub97c \ubc1c\uc0ac\ud558\uace0, \uc774 \uc2e0\ud638\uac00 \ubb3c\uccb4\uc5d0 \ubd80\ub52a\ud600 \ubc18\uc0ac\ub418\uc5b4 \ub3cc\uc544\uc624\uba74, \uc218\uc2e0\uae30\uac00 \uc774\ub97c \uac10\uc9c0\ud558\uc5ec \uc2e0\ud638\ub97c \ubc1b\uc2b5\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc5d0\uc11c \ucd08\uc74c\ud30c\uc758 \ubc1c\uc0ac \uc2dc\uac04\uacfc \uc218\uc2e0 \uc2dc\uac04 \uc0ac\uc774\uc758 \uac04\uaca9\uc744 \uce21\uc815\ud558\uac8c \ub418\uba70, \uc774 \uc2dc\uac04\uc744 \ud1b5\ud574 \ubb3c\uccb4\uae4c\uc9c0\uc758 \uac70\ub9ac\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4.\n<\/p>\n<h2>\uac70\ub9ac \uce21\uc815 \ubc29\uc2dd<\/h2>\n<p>\n\ucd08\uc74c\ud30c \uadfc\uc811 \uc13c\uc11c\uac00 \uac70\ub9ac\ub97c \uce21\uc815\ud558\ub294 \ubc29\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uac04\ub2e8\ud55c \uc218\uc2dd\uc73c\ub85c \ub098\ud0c0\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4:\n<\/p>\n<p>\n<code>\uac70\ub9ac = (\uc18d\ub3c4 * \uc2dc\uac04) \/ 2<\/code>\n<\/p>\n<p>\n\uc5ec\uae30\uc11c \uc18d\ub3c4\ub294 \ucd08\uc74c\ud30c\uac00 \uacf5\uae30 \uc911\uc5d0\uc11c \uc774\ub3d9\ud558\ub294 \uc18d\ub3c4\ub97c \ub9d0\ud558\uba70, \ud1b5\uc0c1\uc801\uc73c\ub85c \uc57d 343m\/s\ub85c \uac00\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2dc\uac04\uc740 \ucd08\uc74c\ud30c\uac00 \ubc1c\uc2e0\uae30\uc5d0\uc11c \ubc1c\uc0ac\ub418\uc5b4 \ubb3c\uccb4\uc5d0 \ubc18\uc0ac\ub41c \ud6c4 \uc218\uc2e0\uae30\uc5d0 \ub3c4\ub2ec\ud558\uae30\uae4c\uc9c0 \uac78\ub9b0 \ucd1d \uc2dc\uac04\uc785\ub2c8\ub2e4. \uac70\ub9ac\ub97c \ub450 \ubc30\ub85c \ub098\ub204\ub294 \uc774\uc720\ub294 \ucd08\uc74c\ud30c\uac00 \uac10\uc9c0\ud55c \ubb3c\uccb4\uc5d0 \ub3c4\ub2ec\ud588\ub2e4\uac00 \ub3cc\uc544\uc624\ub294 \ub370 \uac78\ub9b0 \ucd1d \uc2dc\uac04\uc740 \uc2e4\uc81c \uac70\ub9ac\uc758 \ub450 \ubc30\uc774\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.\n<\/p>\n<h2>\ucd08\uc74c\ud30c \uadfc\uc811 \uc13c\uc11c\uc758 \uc751\uc6a9 \ubd84\uc57c<\/h2>\n<ul>\n<li><strong>\uc790\ub3d9\ucc28 \uc0b0\uc5c5:<\/strong> \uc8fc\ucc28 \ubcf4\uc870 \uc2dc\uc2a4\ud15c\uc774\ub098 \ucda9\ub3cc \ubc29\uc9c0 \uc2dc\uc2a4\ud15c\uc5d0 \ub9ce\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\ub85c\ubd07\uacf5\ud559:<\/strong> \ub85c\ubd07\uc774 \uc8fc\ubcc0 \ud658\uacbd\uc744 \uc778\uc9c0\ud558\uace0 \uc7a5\uc560\ubb3c\uc744 \ud68c\ud53c\ud558\ub294 \ub370 \ud544\uc694\ud55c \uc13c\uc11c\ub85c \ud65c\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uc81c\uc870\uc5c5:<\/strong> \uc0dd\uc0b0 \ub77c\uc778\uc5d0\uc11c \ubb3c\uccb4\uc758 \uc874\uc7ac \uc720\ubb34\ub098 \uc704\uce58\ub97c \uac10\uc9c0\ud558\uae30 \uc704\ud574 \uc4f0\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\uc758\ub8cc \ubd84\uc57c:<\/strong> \ucd08\uc74c\ud30c\ub294 \uc758\ub8cc \uc601\uc0c1 \uae30\uc220 \uc911 \ud558\ub098\uc778 \ucd08\uc74c\ud30c \uc9c4\ub2e8(ultrasonography)\uc5d0\ub3c4 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\ucd08\uc74c\ud30c \uadfc\uc811 \uc13c\uc11c\uc758 \ud55c\uacc4<\/h2>\n<p>\n\ucd08\uc74c\ud30c \uadfc\uc811 \uc13c\uc11c\ub294 \ub2e4\uc591\ud55c \uc7a5\uc810\uc744 \uac00\uc9c0\uace0 \uc788\uc9c0\ub9cc, \uba87 \uac00\uc9c0 \ud55c\uacc4\ub3c4 \uc874\uc7ac\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ucd08\uc74c\ud30c\ub294 \uc18c\ub9ac \ud30c\ub3d9\uc774\uae30 \ub54c\ubb38\uc5d0 \uc8fc\ubcc0 \ud658\uacbd\uc758 \uc628\ub3c4\ub098 \uc2b5\ub3c4\uc5d0 \uc601\ud5a5\uc744 \ubc1b\uc744 \uc218 \uc788\uc73c\uba70, \uac70\uce5c \ud45c\uba74\uc774\ub098 \ubd80\ub4dc\ub7ec\uc6b4 \ubb3c\uccb4\ub294 \ubc18\uc0ac \ud6a8\uc728\uc774 \ub0ae\uc544 \uc815\ud655\ud55c \uac70\ub9ac \uce21\uc815\uc774 \uc5b4\ub824\uc6b8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \uac04\uc12d \ud604\uc0c1\uc73c\ub85c \uc778\ud574 \ub2e4\ub978 \ucd08\uc74c\ud30c \uc18c\uc2a4\uac00 \uc788\uc744 \uacbd\uc6b0 \uc815\ud655\ud55c \uce21\uc815\uc774 \uc5b4\ub824\uc6b8 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.\n<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>\n\ucd08\uc74c\ud30c \uadfc\uc811 \uc13c\uc11c\ub294 \uc2ec\ud50c\ud55c \uc6d0\ub9ac\ub97c \uae30\ubc18\uc73c\ub85c \ud558\uc5ec \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \uc720\uc6a9\ud558\uac8c \uc4f0\uc774\ub294 \uc13c\uc2f1 \uae30\uc220\uc785\ub2c8\ub2e4. \ub192\uc740 \uc8fc\ud30c\uc218\uc758 \uc18c\ub9ac \ud30c\ub3d9\uc744 \uc774\uc6a9\ud574 \ubb3c\uccb4\uae4c\uc9c0\uc758 \uac70\ub9ac\ub97c \uce21\uc815\ud558\uba70, \uc6b0\ub9ac \uc0b6\uc744 \ub354 \ud3b8\ub9ac\ud558\uace0 \uc548\uc804\ud558\uac8c \ub9cc\ub4dc\ub294 \ub2e4\uc591\ud55c \uae30\ub2a5\uc744 \uc218\ud589\ud569\ub2c8\ub2e4. \uae30\uc220\uc758 \ud55c\uacc4\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0, \uac1c\uc120\uacfc \uc5f0\uad6c\ub97c \ud1b5\ud574 \ucd08\uc74c\ud30c \uadfc\uc811 \uc13c\uc11c\uc758 \uc815\ud655\ub3c4\uc640 \uc801\uc6a9 \ubc94\uc704\ub294 \uacc4\uc18d\ud574\uc11c \ud655\ub300\ub420 \uac83\uc73c\ub85c \uae30\ub300\ub429\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ucd08\uc74c\ud30c \uadfc\uc811 \uc13c\uc11c\uc758 \uc6d0\ub9ac \ubc0f \ud65c\uc6a9\uc744 \uc124\uba85\ud558\uace0, \uac70\ub9ac \uce21\uc815 \ubc29\uc2dd\uacfc \uc751\uc6a9 \ubd84\uc57c, \uadf8\ub9ac\uace0 \ud55c\uacc4\uc810\uae4c\uc9c0 \uc0b4\ud3b4\ubd05\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":177805,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[88],"tags":[89],"class_list":["post-147557","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-88","tag-89","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>\ucd08\uc74c\ud30c \uadfc\uc811 \uc13c\uc11c | \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ubc0f \uc7a5\uc810<\/title>\n<meta name=\"description\" content=\"\ucd08\uc74c\ud30c \uadfc\uc811 \uc13c\uc11c\uc758 \uc6d0\ub9ac \ubc0f \ud65c\uc6a9\uc744 \uc124\uba85\ud558\uace0, \uac70\ub9ac \uce21\uc815 \ubc29\uc2dd\uacfc \uc751\uc6a9 \ubd84\uc57c, 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