{"id":147150,"date":"2024-04-27T13:29:26","date_gmt":"2024-04-27T13:29:26","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ed%8f%ac%ed%83%80%ec%8a%98-%eb%82%98%ed%8a%b8%eb%a5%a8-%eb%82%98%ec%9d%b4%ec%98%a4%eb%b2%a0%ec%9d%b4%ed%8a%b8-knn-%ec%b2%a0%ec%a0%84%ea%b8%b0-%ec%9e%ac%eb%a3%8c\/"},"modified":"2024-04-27T13:29:33","modified_gmt":"2024-04-27T13:29:33","slug":"%ed%8f%ac%ed%83%80%ec%8a%98-%eb%82%98%ed%8a%b8%eb%a5%a8-%eb%82%98%ec%9d%b4%ec%98%a4%eb%b2%a0%ec%9d%b4%ed%8a%b8-knn-%ec%b2%a0%ec%a0%84%ea%b8%b0-%ec%9e%ac%eb%a3%8c","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ed%8f%ac%ed%83%80%ec%8a%98-%eb%82%98%ed%8a%b8%eb%a5%a8-%eb%82%98%ec%9d%b4%ec%98%a4%eb%b2%a0%ec%9d%b4%ed%8a%b8-knn-%ec%b2%a0%ec%a0%84%ea%b8%b0-%ec%9e%ac%eb%a3%8c\/","title":{"rendered":"\ud3ec\ud0c0\uc298 \ub098\ud2b8\ub968 \ub098\uc774\uc624\ubca0\uc774\ud2b8 (KNN) \ucca0\uc804\uae30 \uc7ac\ub8cc"},"content":{"rendered":"<p class=\"sidekick\">KNN \ucca0\uc804\uae30 \uc7ac\ub8cc\uc758 \uad6c\uc870\uc640 \ud2b9\uc131\uc744 \ubc14\ud0d5\uc73c\ub85c \ud55c \uc555\uc804 \ud6a8\uacfc\uc640 \uc5d0\ub108\uc9c0 \ud558\ubca0\uc2a4\ud305, \uc13c\uc11c \ubc0f \uc561\ucd94\uc5d0\uc774\ud130 \uac1c\ubc1c\uc5d0 \ub300\ud55c \uc18c\uac1c\uc785\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/\ud3ec\ud0c0\uc298-\ub098\ud2b8\ub968-\ub098\uc774\uc624\ubca0\uc774\ud2b8-(KNN)-\ucca0\uc804\uae30-\uc7ac\ub8cc.png\" alt=\"\ud3ec\ud0c0\uc298 \ub098\ud2b8\ub968 \ub098\uc774\uc624\ubca0\uc774\ud2b8 (KNN) \ucca0\uc804\uae30 \uc7ac\ub8cc\"\/><\/p>\n<h2>\ud3ec\ud0c0\uc298 \ub098\ud2b8\ub968 \ub098\uc774\uc624\ubca0\uc774\ud2b8 (KNN) \ucca0\uc804\uae30 \uc7ac\ub8cc\uc758 \uae30\ubcf8 \uc6d0\ub9ac<\/h2>\n<p>\ud3ec\ud0c0\uc298 \ub098\ud2b8\ub968 \ub098\uc774\uc624\ubca0\uc774\ud2b8(KNN)\ub294 \ucd5c\uadfc \uc815\ubcf4 \uae30\uc220 \ubc0f \ud658\uacbd \uce5c\ud654\uc801\uc778 \uc5d0\ub108\uc9c0 \ub3c4\uad6c \uac1c\ubc1c\uc5d0 \uc911\uc694\ud55c \uc7ac\ub8cc\ub85c \uac01\uad11\ubc1b\uace0 \uc788\ub294 \ucca0\uc804\uae30(ferroelectric) \uc7ac\ub8cc\uc785\ub2c8\ub2e4. \ucca0\uc804\uae30 \uc7ac\ub8cc\ub780 \uc804\uae30\uc7a5\uc774 \uac00\ud574\uc84c\uc744 \ub54c \ud3f4\ub77c\uc774\uc81c\uc774\uc158(\ubd84\uadf9)\uc744 \ub098\ud0c0\ub0b4\uba70, \uc804\uae30\uc7a5\uc744 \uc81c\uac70\ud558\ub354\ub77c\ub3c4 \uc77c\uc815 \uc218\uc900\uc758 \uc794\ub958 \ubd84\uadf9\uc774 \ub0a8\uc544 \uc788\ub294 \uc18c\uc7ac\ub97c \ub9d0\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\ubcc4\ud55c \uc18d\uc131\uc740 \uba54\ubaa8\ub9ac \uc18c\uc790, \uc555\uc804 \uc13c\uc11c, \uc561\ucd94\uc5d0\uc774\ud130 \ub4f1 \ub2e4\uc591\ud55c \uc804\uc790 \uae30\uae30\uc5d0\uc11c \ud575\uc2ec\uc801\uc778 \uc5ed\ud560\uc744 \ud558\uac8c \ub429\ub2c8\ub2e4.<\/p>\n<h2>KNN \ucca0\uc804\uae30 \uc7ac\ub8cc\uc758 \uad6c\uc870\uc640 \ud2b9\uc131<\/h2>\n<p>KNN\uc740 \ud3ec\ud0c0\uc298(K), \ub098\ud2b8\ub968(Na), \ub098\uc774\uc624\ube00(Nb)\uc758 \uc0b0\ud654\ubb3c\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc73c\uba70, \uc138 \uc694\uc18c\uac00 \ud63c\ud569\ub41c \uaca9\uc790 \uad6c\uc870\ub97c \ud1b5\ud574 \ud2b9\uc815 \uc870\uac74\uc5d0\uc11c \ucca0\uc804\uc131\uc744 \uac16\uac8c \ub429\ub2c8\ub2e4. \uc774 \uc7ac\ub8cc\ub294 \uace0\uc628\uc5d0\uc11c \uc804\uae30\uc7a5\uc744 \uac78\uc5b4\uc90c\uc73c\ub85c\uc368 \ubd84\uadf9\uc758 \ubc29\ud5a5\uc744 \uc815\ub82c\uc2dc\ud0ac \uc218 \uc788\uc73c\uba70, \uc0c1\uc628\uc73c\ub85c \ub0c9\uac01\ud588\uc744 \ub54c\ub294 \uc774 \ubd84\uadf9 \uc0c1\ud0dc\uac00 \uc720\uc9c0\ub429\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc744 &#8216;\ud3ec\uc77c\ub9c1(poling)&#8217;\uc774\ub77c\uace0 \ud569\ub2c8\ub2e4.<\/p>\n<p>KNN\uc758 \uc8fc\uc694 \ud2b9\uc131 \uc911 \ud558\ub098\ub294 \ub192\uc740 &#8216;\uc555\uc804 \uacc4\uc218(piezoelectric coefficient)&#8217;\uc785\ub2c8\ub2e4. \uc555\uc804 \ud6a8\uacfc\ub780 \uc18c\uc7ac\uc5d0 \ud798\uc774 \uac00\ud574\uc84c\uc744 \ub54c \uc804\uae30\uc801\uc778 \uc2e0\ud638\ub97c \uc0dd\uc131\ud558\uac70\ub098, \ubc18\ub300\ub85c \uc804\uae30\uc801 \uc2e0\ud638\uac00 \uac00\ud574\uc84c\uc744 \ub54c \uae30\uacc4\uc801\uc778 \ubcc0\ud615\uc744 \uc77c\uc73c\ud0a4\ub294 \ud604\uc0c1\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. KNN\uacfc \uac19\uc740 \uc7ac\ub8cc\ub294 \uc774\ub7ec\ud55c \uc555\uc804 \ud6a8\uacfc\ub97c \uc774\uc6a9\ud558\uc5ec \uc18c\ud615 \uc9c4\ub3d9\uc790\ub098 \ucd08\uc74c\ud30c \uc13c\uc11c \ub4f1\uc744 \uc81c\uc791\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h2>KNN \ucca0\uc804\uae30 \uc7ac\ub8cc\uc758 \uc751\uc6a9<\/h2>\n<p>KNN \ucca0\uc804\uae30 \uc7ac\ub8cc\ub294 \uadf8 \ud2b9\uc131 \ub54c\ubb38\uc5d0 \uc5ec\ub7ec \ud604\ub300 \uae30\uc220 \ubd84\uc57c\uc5d0\uc11c \ud65c\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ube44\uc0c1\uad6c\uc640 \uac19\uc740 \uc548\ub0b4\ud310\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc18c\ud615 \ubc1c\uad11 \ub2e4\uc774\uc624\ub4dc(LED)\uc758 \uad11\uc6d0\uc73c\ub85c \uc774\uc6a9\ud558\uac70\ub098, \uc2ec\uc7a5 \ubc15\ub3d9\uc744 \uac10\uc2dc\ud558\ub294 \uc758\ub8cc\uc6a9 \uc13c\uc11c, \ucc28\uc138\ub300 \uc8fc\ud30c\uc218 \ud544\ud130\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ub2e4\uc591\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\uc5d0\ub108\uc9c0 \ud558\ubca0\uc2a4\ud305: \ud658\uacbd\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uae30\uacc4\uc801 \uc5d0\ub108\uc9c0(\uc608: \uc9c4\ub3d9, \uc555\ub825 \ubcc0\ud654 \ub4f1)\ub97c \uc804\uae30 \uc5d0\ub108\uc9c0\ub85c \ubcc0\ud658\ud574 \uc7ac\uc0ac\uc6a9\ud558\ub294 \uae30\uc220\uc785\ub2c8\ub2e4. KNN \uc7ac\ub8cc\ub294 \ub192\uc740 \uc555\uc804 \ud6a8\uacfc\ub85c \uc778\ud574 \uc5d0\ub108\uc9c0 \ud558\ubca0\uc2a4\ud130\ub85c\uc11c \ud6a8\uc728\uc801\uc73c\ub85c \uc0ac\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uc13c\uc11c \ubc0f \uc561\ucd94\uc5d0\uc774\ud130: \uc555\uc804 \ud6a8\uacfc\ub97c \uc774\uc6a9\ud55c KNN \uc7ac\ub8cc\ub294 \uc815\ubc00\ud55c \uc704\uce58 \uc81c\uc5b4\uac00 \ud544\uc694\ud55c \uc561\ucd94\uc5d0\uc774\ud130\uc640 \ubbfc\uac10\ud55c \uc555\ub825 \uac10\uc9c0\uac00 \uc694\uad6c\ub418\ub294 \uc13c\uc11c\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<li>\ub178\uc774\uc988 \uc81c\uc5b4: \uc77c\uc815\ud55c \uc8fc\ud30c\uc218\uc758 \uc18c\uc74c\uc744 \uc81c\uac70\ud558\uae30 \uc704\ud574 KNN \uc555\uc804 \uc18c\uc7ac\ub97c \uc0ac\uc6a9\ud558\ub294 \uc74c\ud5a5 \ud544\ud130\uc5d0\ub3c4 \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\uacb0\ub860<\/h2>\n<p>\ud3ec\ud0c0\uc298 \ub098\ud2b8\ub968 \ub098\uc774\uc624\ubca0\uc774\ud2b8(KNN)\ub294 \uac15\ub825\ud55c \ucca0\uc804\uae30 \ud2b9\uc131\uacfc \ud658\uacbd \uce5c \ud654\uc131\uc73c\ub85c \uc778\ud574 \uc804\uc790 \uae30\uc220\uc758 \ub2e4\uc591\ud55c \uc601\uc5ed\uc5d0\uc11c \uc8fc\ubaa9\uc744 \ubc1b\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\uce58 \uc54a\uace0 \uc774\ub7ec\ud55c \uc7ac\ub8cc\uc758 \ubc1c\uc804\uacfc \uc751\uc6a9\uc740 \uc6b0\ub9ac\uc758 \uc0b6\uc744 \ub354\uc6b1 \ub354 \ud3b8\ub9ac\ud558\uace0 \uc9c0\uc18d \uac00\ub2a5\ud558\uac8c \ub9cc\ub4dc\ub294 \ub370 \uae30\uc5ec\ud560 \uac83\uc73c\ub85c \uae30\ub300\ub429\ub2c8\ub2e4.<\/p>\n<p>\ucca8\ub2e8 \uc7ac\ub8cc\uc758 \uae30\ubcf8 \uc6d0\ub9ac\ub97c \uc774\ud574\ud558\ub294 \uac83\uc740 \ubb3c\ub9ac\ud559\uacfc \uacf5\ud559\uc758 \uc911\uc694\ud55c \ubd80\ubd84\uc774\uba70, KNN\uacfc \uac19\uc740 \ud601\uc2e0\uc801\uc778 \ubb3c\uc9c8\uc758 \uc5f0\uad6c\ub294 \ub04a\uc784\uc5c6\uc774 \uc9c4\ud589 \uc911\uc785\ub2c8\ub2e4. \uc774\ucc98\ub7fc \ucca0\uc804\uae30 \uc7ac\ub8cc\ub294 \uacfc\ud559\uacfc \uae30\uc220\uc774 \uc5b4\ub5bb\uac8c \ud611\ub825\ud558\uc5ec \uc0c8\ub85c\uc6b4 \uac00\ub2a5\uc131\uc744 \ud0d0\uad6c\ud558\ub294\uc9c0\ub97c \uc544\ub984\ub2f5\uac8c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>KNN \ucca0\uc804\uae30 \uc7ac\ub8cc\uc758 \uad6c\uc870\uc640 \ud2b9\uc131\uc744 \ubc14\ud0d5\uc73c\ub85c \ud55c \uc555\uc804 \ud6a8\uacfc\uc640 \uc5d0\ub108\uc9c0 \ud558\ubca0\uc2a4\ud305, \uc13c\uc11c \ubc0f \uc561\ucd94\uc5d0\uc774\ud130 \uac1c\ubc1c\uc5d0 \ub300\ud55c \uc18c\uac1c\uc785\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":[88],"tags":[89],"class_list":["post-147150","post","type-post","status-publish","format-standard","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>\ud3ec\ud0c0\uc298 \ub098\ud2b8\ub968 \ub098\uc774\uc624\ubca0\uc774\ud2b8 (KNN) \ucca0\uc804\uae30 \uc7ac\ub8cc | \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ubc0f \uc7a5\uc810<\/title>\n<meta name=\"description\" content=\"KNN \ucca0\uc804\uae30 \uc7ac\ub8cc\uc758 \uad6c\uc870\uc640 \ud2b9\uc131\uc744 \ubc14\ud0d5\uc73c\ub85c \ud55c \uc555\uc804 \ud6a8\uacfc\uc640 \uc5d0\ub108\uc9c0 \ud558\ubca0\uc2a4\ud305, \uc13c\uc11c \ubc0f \uc561\ucd94\uc5d0\uc774\ud130 \uac1c\ubc1c\uc5d0 \ub300\ud55c \uc18c\uac1c\uc785\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\/%ed%8f%ac%ed%83%80%ec%8a%98-%eb%82%98%ed%8a%b8%eb%a5%a8-%eb%82%98%ec%9d%b4%ec%98%a4%eb%b2%a0%ec%9d%b4%ed%8a%b8-knn-%ec%b2%a0%ec%a0%84%ea%b8%b0-%ec%9e%ac%eb%a3%8c\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\ud3ec\ud0c0\uc298 \ub098\ud2b8\ub968 \ub098\uc774\uc624\ubca0\uc774\ud2b8 (KNN) \ucca0\uc804\uae30 \uc7ac\ub8cc | \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ubc0f \uc7a5\uc810\" \/>\n<meta property=\"og:description\" content=\"KNN \ucca0\uc804\uae30 \uc7ac\ub8cc\uc758 \uad6c\uc870\uc640 \ud2b9\uc131\uc744 \ubc14\ud0d5\uc73c\ub85c \ud55c \uc555\uc804 \ud6a8\uacfc\uc640 \uc5d0\ub108\uc9c0 \ud558\ubca0\uc2a4\ud305, \uc13c\uc11c \ubc0f \uc561\ucd94\uc5d0\uc774\ud130 \uac1c\ubc1c\uc5d0 \ub300\ud55c \uc18c\uac1c\uc785\ub2c8\ub2e4.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.electricity-magnetism.org\/ko\/%ed%8f%ac%ed%83%80%ec%8a%98-%eb%82%98%ed%8a%b8%eb%a5%a8-%eb%82%98%ec%9d%b4%ec%98%a4%eb%b2%a0%ec%9d%b4%ed%8a%b8-knn-%ec%b2%a0%ec%a0%84%ea%b8%b0-%ec%9e%ac%eb%a3%8c\/\" \/>\n<meta property=\"og:site_name\" content=\"Electricity - Magnetism\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-27T13:29:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-27T13:29:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/\ud3ec\ud0c0\uc298-\ub098\ud2b8\ub968-\ub098\uc774\uc624\ubca0\uc774\ud2b8-(KNN)-\ucca0\uc804\uae30-\uc7ac\ub8cc.png\" \/>\n<meta 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