{"id":146693,"date":"2024-04-27T12:29:30","date_gmt":"2024-04-27T12:29:30","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%86%8c%eb%82%98-%ec%8b%9c%ec%8a%a4%ed%85%9c\/"},"modified":"2024-04-27T12:29:30","modified_gmt":"2024-04-27T12:29:30","slug":"%ec%86%8c%eb%82%98-%ec%8b%9c%ec%8a%a4%ed%85%9c","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%86%8c%eb%82%98-%ec%8b%9c%ec%8a%a4%ed%85%9c\/","title":{"rendered":"\uc18c\ub098 \uc2dc\uc2a4\ud15c"},"content":{"rendered":"<p class=\"sidekick\">\uc18c\ub098 \uc2dc\uc2a4\ud15c\uc758 \uc6d0\ub9ac\uc640 \uc751\uc6a9\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uc138\uc694: \uc218\uc911 \uc74c\ud30c\ub97c \uc774\uc6a9\ud55c \uc704\uce58 \ubc0f \uac70\ub9ac \uce21\uc815, \ud574\uc591 \ud0d0\uc0ac, \uc5b4\ub85c \ud65c\ub3d9 \uc9c0\uc6d0, \uc548\ubcf4 \uac15\ud654\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ub2e4\uc591\ud55c \uc0ac\uc6a9\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/\uc18c\ub098-\uc2dc\uc2a4\ud15c.png\" alt=\"\uc18c\ub098 \uc2dc\uc2a4\ud15c\"\/><\/p>\n<h2>\uc18c\ub098 \uc2dc\uc2a4\ud15c\uc774\ub780?<\/h2>\n<p>\n\uc18c\ub098 \uc2dc\uc2a4\ud15c\uc740 &#8216;Sound Navigation And Ranging&#8217;\uc758 \uc57d\uc790\ub85c, \uc74c\ud5a5\uc744 \uc774\uc6a9\ud574 \uc218\uc911\uc5d0\uc11c\uc758 \ubb3c\uccb4\ub97c \ucc3e\uac70\ub098 \uac70\ub9ac\ub97c \uce21\uc815\ud558\ub294 \uae30\uc220\uc785\ub2c8\ub2e4. \uc774 \uc2dc\uc2a4\ud15c\uc740 \ubb3c\ub9ac\ud559\uc758 \uc804\uae30\uc640 \uc790\uae30 \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud558\uba70, \ubc14\ub2e4\ub098 \ud638\uc218\uc758 \ubc30, \uc7a0\uc218\ud568, \ud574\uc800 \uc9c0\ud615\uc758 \ud0d0\uc0ac \ub4f1 \ub2e4\uc591\ud55c \uacf3\uc5d0 \uc774\uc6a9\ub429\ub2c8\ub2e4.\n<\/p>\n<h2>\uc18c\ub098 \uc2dc\uc2a4\ud15c\uc758 \uc791\ub3d9 \uc6d0\ub9ac<\/h2>\n<p>\n\uc18c\ub098 \uae30\uc220\uc740 \uc1a1\uc2e0\uae30\uc5d0\uc11c \ubc1c\uc0dd\ud55c \uc74c\ud30c\uac00 \uc218\uc911 \ubb3c\uccb4\uc5d0 \ubd80\ub52a\ud600 \ubc18\uc0ac\ub418\uc5b4 \ub3cc\uc544\uc624\ub294 \uc6d0\ub9ac\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc18c\ub098 \uc7a5\uce58\ub294 \ub450 \uac00\uc9c0 \uc8fc\uc694 \uad6c\uc131 \uc694\uc18c\ub85c \ub098\ub20c \uc218 \uc788\uc2b5\ub2c8\ub2e4: \uc1a1\uc2e0\uae30(transducer)\uc640 \uc218\uc2e0\uae30(receiver). \uc1a1\uc2e0\uae30\ub294 \uc804\uae30\uc801 \uc2e0\ud638\ub97c \uc74c\ud30c\ub85c \ubcc0\ud658\ud558\uace0, \uc218\uc2e0\uae30\ub294 \uc74c\ud30c\ub97c \ub2e4\uc2dc \uc804\uae30\uc801 \uc2e0\ud638\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.\n<\/p>\n<ul>\n<li><u>\uc1a1\uc2e0\uae30<\/u>: \uc804\uae30 \uc2e0\ud638\ub97c \ubc1b\uc544\uc11c \ud2b9\uc815 \uc8fc\ud30c\uc218\uc758 \uc74c\ud30c\ub97c \ubb3c \uc18d\uc73c\ub85c \ubcf4\ub0c5\ub2c8\ub2e4.<\/li>\n<li><u>\uc218\uc2e0\uae30<\/u>: \ubb3c\uccb4\uc5d0 \uc758\ud574 \ubc18\uc0ac\ub41c \uc74c\ud30c\ub97c \uac10\uc9c0\ud558\uc5ec \uc804\uae30 \uc2e0\ud638\ub85c \ubc14\uafc9\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\n\uc18c\ub098 \uc2dc\uc2a4\ud15c\uc740 \uc74c\ud30c\uac00 \ubb3c\uc18d\uc744 \ud1b5\uacfc\ud558\ub294 \ub370 \uac78\ub9ac\ub294 \uc2dc\uac04\uc744 \uce21\uc815\ud558\uc5ec, \uac70\ub9ac\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4. \uc774 \ub54c \uac70\ub9ac\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:\n<\/p>\n<p>\n\\[ \uac70\ub9ac = (\uc18d\ub3c4 \\times \uc2dc\uac04) \/ 2 \\]\n<\/p>\n<p>\n\uc5ec\uae30\uc11c \uc18d\ub3c4\ub294 \uc74c\ud30c\uac00 \ubb3c \uc18d\uc5d0\uc11c \uc774\ub3d9\ud558\ub294 \uc18d\ub3c4\ub97c \uc758\ubbf8\ud558\uace0, \uc2dc\uac04\uc740 \uc1a1\uc2e0\uae30\uc5d0\uc11c \ubc1c\uc0ac\ub41c \uc74c\ud30c\uac00 \ubb3c\uccb4\uc5d0 \ubd80\ub52a\uce58\uace0 \uc218\uc2e0\uae30\ub85c \ub3cc\uc544\uc624\uae30\uae4c\uc9c0 \uac78\ub9b0 \uc2dc\uac04\uc785\ub2c8\ub2e4. \ub450\ub97c \ub098\ub204\ub294 \uc774\uc720\ub294 \uc74c\ud30c\uac00 \ubaa9\ud45c\ubb3c\uc5d0 \ub3c4\ub2ec\ud55c \ud6c4 \ub2e4\uc2dc \ub418\ub3cc\uc544\uc624\uae30\uae4c\uc9c0\uc758 \uc804\uccb4 \uc774\ub3d9 \uacbd\ub85c\ub97c \uacc4\uc0b0\ud574\uc57c \ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.\n<\/p>\n<h2>\uc18c\ub098\uc758 \uc751\uc6a9<\/h2>\n<ol>\n<li><strong>\ud574\uc591 \ud0d0\uc0ac<\/strong>: \uc18c\ub098\ub294 \ud574\uc800 \uc9c0\ud615\uc744 \uadf8\ub824\ub0b4\uac70\ub098 \uce68\ubab0\ud55c \ubc30\uc640 \uac19\uc740 \uad6c\uc870\ubb3c\uc744 \ucc3e\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uc5b4\ub85c \ud65c\ub3d9<\/strong>: \uc5b4\ubd80\ub4e4\uc740 \ubb3c\uace0\uae30 \ub5bc\uc758 \uc704\uce58\uc640 \uc774\ub3d9 \uacbd\ub85c\ub97c \ud30c\uc545\ud558\uae30 \uc704\ud574 \uc18c\ub098\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uadfc\ud574 \uac10\uc2dc<\/strong>: \uad6d\uac00 \uc548\uc804\uc744 \uc704\ud55c \ud574\uc591 \uac10\uc2dc\uc5d0\ub3c4 \uc18c\ub098 \uc2dc\uc2a4\ud15c\uc774 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc7a0\uc218\ud568\uc758 \uc704\uce58\ub97c \ucc3e\uac70\ub098 \ud0d0\uc9c0\ud558\uc9c0 \ubabb\ud558\uac8c \ud558\ub294 \ub370 \uc18c\ub098\uac00 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uc74c\ud5a5\ud559 \uc5f0\uad6c<\/strong>: \uacfc\ud559\uc790\ub4e4\uc740 \uc18c\ub098\ub97c \ud65c\uc6a9\ud558\uc5ec \uc218\uc911 \uc74c\ud5a5\uacfc \uad00\ub828\ub41c \uc5f0\uad6c\ub97c \ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p>\n\uc804\uae30\uc640 \uc790\uae30\uc758 \uc6d0\ub9ac\ub294 \uc18c\ub098 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ud2b9\ud788 \uc911\uc694\ud569\ub2c8\ub2e4. \uc1a1\uc2e0\uae30\uc640 \uc218\uc2e0\uae30\uc5d0 \uc788\ub294 \ud2b8\ub79c\uc2a4\ub4c0\uc11c\ub294 \uc885\uc885 \uc555\uc804 \ud6a8\uacfc(piezoelectric effect)\ub97c \uc0ac\uc6a9\ud558\ub294\ub370, \uc774\ub294 \uc804\uae30\uc801 \uc5d0\ub108\uc9c0\ub97c \uae30\uacc4\uc801\uc778 \uc9c4\ub3d9 \uc5d0\ub108\uc9c0\ub85c \ubcc0\ud658\uc2dc\ud0a4\ub294 \ubb3c\ub9ac\uc801 \ud604\uc0c1\uc785\ub2c8\ub2e4. \uc774 \ud604\uc0c1\uc744 \uc774\ud574\ud568\uc73c\ub85c\uc368 \uc6b0\ub9ac\ub294 \ub354 \ub098\uc740 \uc74c\ud5a5 \uc13c\uc11c\ub97c \uac1c\ubc1c\ud558\uace0, \uc18c\ub098 \uc2dc\uc2a4\ud15c\uc758 \ud6a8\uc728\uc131\uacfc \uc815\ud655\ub3c4\ub97c \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>\n\uc804\uae30\uc640 \uc790\uae30\uc758 \uc6d0\ub9ac\ub97c \uc774\uc6a9\ud55c \uc18c\ub098 \uc2dc\uc2a4\ud15c\uc740 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \ud544\uc218\uc801\uc778 \ub3c4\uad6c\uc774\uba70, \uadf8 \uc6d0\ub9ac\ub294 \ud559\ubb38\uc801 \ud0d0\uad6c\uc640 \uc2e4\uc9c8\uc801\uc778 \uc751\uc6a9\uc774 \ub9cc\ub098\ub294 \uad50\ucc28\uc810\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uae30\uc220\uc5d0 \ub300\ud55c \uc774\ud574\ub97c \ub192\uc784\uc73c\ub85c\uc368 \uc6b0\ub9ac\ub294 \ubc14\ub2e4\uc758 \ube44\ubc00\uc744 \ud0d0\ud5d8\ud558\uace0, \ud574\uc591 \uc790\uc6d0\uc744 \ud6a8\uc728\uc801\uc73c\ub85c \uad00\ub9ac\ud558\uba70, \uad6d\uac00 \uc548\ubcf4\ub97c \uac15\ud654\ud558\ub294 \ub370 \uae30\uc5ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc18c\ub098 \uc2dc\uc2a4\ud15c\uc758 \uc6d0\ub9ac\uc640 \uc751\uc6a9\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uc138\uc694: \uc218\uc911 \uc74c\ud30c\ub97c \uc774\uc6a9\ud55c \uc704\uce58 \ubc0f \uac70\ub9ac \uce21\uc815, \ud574\uc591 \ud0d0\uc0ac, \uc5b4\ub85c \ud65c\ub3d9 \uc9c0\uc6d0, \uc548\ubcf4 \uac15\ud654\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ub2e4\uc591\ud55c \uc0ac\uc6a9\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":170117,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[88],"tags":[89],"class_list":["post-146693","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>\uc18c\ub098 \uc2dc\uc2a4\ud15c | \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ubc0f \uc7a5\uc810<\/title>\n<meta name=\"description\" content=\"\uc18c\ub098 \uc2dc\uc2a4\ud15c\uc758 \uc6d0\ub9ac\uc640 \uc751\uc6a9\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uc138\uc694: \uc218\uc911 \uc74c\ud30c\ub97c \uc774\uc6a9\ud55c \uc704\uce58 \ubc0f \uac70\ub9ac \uce21\uc815, \ud574\uc591 \ud0d0\uc0ac, \uc5b4\ub85c \ud65c\ub3d9 \uc9c0\uc6d0, \uc548\ubcf4 \uac15\ud654\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ub2e4\uc591\ud55c \uc0ac\uc6a9\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.electricity-magnetism.org\/ko\/%ec%86%8c%eb%82%98-%ec%8b%9c%ec%8a%a4%ed%85%9c\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\uc18c\ub098 \uc2dc\uc2a4\ud15c | \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ubc0f \uc7a5\uc810\" \/>\n<meta property=\"og:description\" content=\"\uc18c\ub098 \uc2dc\uc2a4\ud15c\uc758 \uc6d0\ub9ac\uc640 \uc751\uc6a9\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uc138\uc694: \uc218\uc911 \uc74c\ud30c\ub97c \uc774\uc6a9\ud55c \uc704\uce58 \ubc0f \uac70\ub9ac \uce21\uc815, \ud574\uc591 \ud0d0\uc0ac, \uc5b4\ub85c \ud65c\ub3d9 \uc9c0\uc6d0, \uc548\ubcf4 \uac15\ud654\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ub2e4\uc591\ud55c \uc0ac\uc6a9\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.electricity-magnetism.org\/ko\/%ec%86%8c%eb%82%98-%ec%8b%9c%ec%8a%a4%ed%85%9c\/\" \/>\n<meta property=\"og:site_name\" content=\"Electricity - Magnetism\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-27T12:29:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/\uc18c\ub098-\uc2dc\uc2a4\ud15c.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Matan\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.electricity-magnetism.org\/ko\/#website\",\"url\":\"https:\/\/www.electricity-magnetism.org\/ko\/\",\"name\":\"Electricity - Magnetism\",\"description\":\"All about electricity and magnetism.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.electricity-magnetism.org\/ko\/?s={search_term_string}\"},\"query-input\":\"required 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