{"id":143265,"date":"2024-01-14T13:22:05","date_gmt":"2024-01-14T13:22:05","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ed%8c%8c%eb%8f%99-%eb%b0%a9%ec%a0%95%ec%8b%9d-%ec%a0%84%ea%b8%b0%ec%9e%a5%ea%b3%bc-%ec%9e%90%ea%b8%b0%ec%9e%a5\/"},"modified":"2024-02-21T18:14:19","modified_gmt":"2024-02-21T18:14:19","slug":"%ed%8c%8c%eb%8f%99-%eb%b0%a9%ec%a0%95%ec%8b%9d-%ec%a0%84%ea%b8%b0%ec%9e%a5%ea%b3%bc-%ec%9e%90%ea%b8%b0%ec%9e%a5","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ed%8c%8c%eb%8f%99-%eb%b0%a9%ec%a0%95%ec%8b%9d-%ec%a0%84%ea%b8%b0%ec%9e%a5%ea%b3%bc-%ec%9e%90%ea%b8%b0%ec%9e%a5\/","title":{"rendered":"\ud30c\ub3d9 \ubc29\uc815\uc2dd | \uc804\uae30\uc7a5\uacfc \uc790\uae30\uc7a5"},"content":{"rendered":"<h2>\uc804\uc790\uae30\ud559\uc5d0\uc11c\uc758 \ud30c\ub3d9 \ubc29\uc815\uc2dd<\/h2>\n<p>\uc804\uc790\uae30\ud559\uc5d0\uc11c \ud30c\ub3d9 \ubc29\uc815\uc2dd\uc740 \uc6b0\uc8fc \uacf5\uac04\uc774\ub098 \ub9e4\uc9c8\uc744 \ud1b5\ud574 \uc804\ud30c\ub418\ub294 \uc804\uc790\uae30\ud30c, \uc989 \ub77c\ub514\uc624 \ud30c, \ube5b, \uc5d1\uc2a4\ub808\uc774\uc640 \uac19\uc740 \ud30c\ub3d9\uc758 \uc804\ud30c\ub97c \uc124\uba85\ud569\ub2c8\ub2e4. \ud30c\ub3d9 \ubc29\uc815\uc2dd\uc740 \uc804\uae30 \ubc0f \uc790\uae30\uc7a5\uc758 \uac70\ub3d9\uc744 \uc9c0\ubc30\ud558\ub294 \ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd\uc5d0\uc11c \uc720\ub3c4\ub429\ub2c8\ub2e4. \uc804\uae30\uc801 \ucda9\uc804\uc774\ub098 \uc804\ub958\uac00 \uc874\uc7ac\ud558\uc9c0 \uc54a\ub294 \uacf5\uac04\uc5d0\uc11c, \uc804\uae30\uc7a5(E)\uacfc \uc790\uae30\uc7a5(B)\uc5d0 \ub300\ud55c \ud30c\ub3d9 \ubc29\uc815\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uc8fc\uc5b4\uc9d1\ub2c8\ub2e4:<\/p>\n<p>\n\u2207<sup>2<\/sup>E &#8211; (1\/c<sup>2<\/sup>) \u2202<sup>2<\/sup>E\/\u2202t<sup>2<\/sup> = 0<br \/>\n\u2207<sup>2<\/sup>B &#8211; (1\/c<sup>2<\/sup>) \u2202<sup>2<\/sup>B\/\u2202t<sup>2<\/sup> = 0\n<\/p>\n<p>\uc774 \ubc29\uc815\uc2dd\uc5d0\uc11c \u2207<sup>2<\/sup>\ub294 \ub77c\ud50c\ub77c\uc2dc\uc548 \uc5f0\uc0b0\uc790(\uae30\uc6b8\uae30\uc758 \ubc1c\uc0b0\uc744 \ub098\ud0c0\ub0c4)\ub97c, c\ub294 \uc9c4\uacf5\uc5d0\uc11c\uc758 \ube5b\uc758 \uc18d\ub3c4\ub97c, \u2202<sup>2<\/sup>\/\u2202t<sup>2<\/sup>\ub294 \uc2dc\uac04\uc5d0 \ub300\ud55c \ub450 \ubc88\uc9f8 \ud3b8\ubbf8\ubd84\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc804\uae30 \ubc0f \uc790\uae30\uc7a5\uc5d0 \ub300\ud55c \ud30c\ub3d9 \ubc29\uc815\uc2dd\uc740 \uacf5\uac04\uacfc \uc2dc\uac04\uc5d0\uc11c \ud544\ub4dc\uac00 \uc5b4\ub5bb\uac8c \ubcc0\ud654\ud558\ub294\uc9c0\ub97c \uc124\uba85\ud558\ub294 2\ucc28 \ud3b8\ubbf8\ubd84 \ubc29\uc815\uc2dd\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uc804\uc790\uae30\ud30c\uc758 \ud574\uc11d<\/h2>\n<p>\uc9c4\uacf5\uc774\ub098 \uade0\uc77c\ud55c \ub9e4\uc9c8\uc5d0\uc11c \uc774 \ubc29\uc815\uc2dd\ub4e4\uc758 \ud574\ub294 \uc0ac\uc778\ud30c \ud615\ud0dc\uc758 \ud3c9\uba74\ud30c\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud30c\ub3d9\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\ud604\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<p>\nE(r, t) = E<sub>0<\/sub> * sin(k \u2022 r &#8211; \u03c9t + \u03c6)<br \/>\nB(r, t) = B<sub>0<\/sub> * sin(k \u2022 r &#8211; \u03c9t + \u03c6)\n<\/p>\n<p>\uc5ec\uae30\uc11c E<sub>0<\/sub>\uacfc B<sub>0<\/sub>\ub294 \uc804\uae30 \ubc0f \uc790\uae30\uc7a5\uc758 \uc9c4\ud3ed, k\ub294 \ud30c\ub3d9 \uc804\ud30c \ubc29\ud5a5\uc744 \uac00\ub9ac\ud0a4\ub294 \ud30c\ub3d9 \ubca1\ud130, \u03c9\ub294 \uac01\uc8fc\ud30c\uc218, r\uc740 \uc704\uce58 \ubca1\ud130, t\ub294 \uc2dc\uac04, \u03c6\ub294 \uc704\uc0c1 \uc0c1\uc218\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uc804\uc790\uae30\ud30c\uc758 \uc911\uc694\uc131<\/h2>\n<p>\uc804\uc790\uae30\ud559\uc5d0\uc11c \ud30c\ub3d9 \ubc29\uc815\uc2dd\uc740 \uc804\uc790\uae30\ud30c\uc758 \ud589\ub3d9\uacfc \ud2b9\uc131\uc744 \uc774\ud574\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774\ub294 \uc804\uc790\uae30\ud30c\uc758 \uc804\ud30c, \uac04\uc12d, \ubc18\uc0ac, \uad74\uc808 \ubc0f \ud3b8\uad11\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4. \uc774 \ubc29\uc815\uc2dd\uc740 \uc548\ud14c\ub098, \ub3c4\ud30c\uad00 \ubc0f \uad11\uc12c\uc720\uc758 \ubd84\uc11d \ubc0f \uc124\uacc4\ubfd0\ub9cc \uc544\ub2c8\ub77c \uc790\uc5f0\uc5d0\uc11c\uc758 \uc804\uc790\uae30 \ud604\uc0c1, \uc608\ub97c \ub4e4\uc5b4 \ud0dc\uc591 \ubcf5\uc0ac \ubc0f \uc6b0\uc8fc \ub9c8\uc774\ud06c\ub85c\ud30c \ubc30\uacbd \ubcf5\uc0ac\uc758 \uc5f0\uad6c\uc5d0\ub3c4 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"xx\" alt=\"Wave equation\" \/><\/p>\n<div style=\"text-align: center; font-size: 20px;\">\n    <a href=\"https:\/\/www.electricity-magnetism.org\/wave-equation\/\">Original Article<\/a>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc804\uc790\uae30\ud559\uc5d0\uc11c \ud30c\ub3d9 \ubc29\uc815\uc2dd\uc740 \uc804\ud30c, \ube5b, X\uc120\uacfc \uac19\uc740 \uc804\uc790\uae30\ud30c\uac00 \uacf5\uac04\uc774\ub098 \ub9e4\uc9c8\uc744 \ud1b5\ud574 \uc804\ud30c\ub418\ub294 \uac83\uc744 \uc124\uba85\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":[15],"tags":[],"class_list":["post-143265","post","type-post","status-publish","format-standard","hentry","category-15","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>\ud30c\ub3d9 \ubc29\uc815\uc2dd | \uc804\uae30\uc7a5\uacfc \uc790\uae30\uc7a5<\/title>\n<meta name=\"description\" content=\"\uc804\uc790\uae30\ud559\uc5d0\uc11c \ud30c\ub3d9 \ubc29\uc815\uc2dd\uc740 \uc804\ud30c, \ube5b, X\uc120\uacfc \uac19\uc740 \uc804\uc790\uae30\ud30c\uac00 \uacf5\uac04\uc774\ub098 \ub9e4\uc9c8\uc744 \ud1b5\ud574 \uc804\ud30c\ub418\ub294 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