{"id":213651,"date":"2024-09-16T13:34:04","date_gmt":"2024-09-16T13:34:04","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/?p=213651"},"modified":"2024-09-16T13:34:04","modified_gmt":"2024-09-16T13:34:04","slug":"%ec%a0%84%ec%9e%90%ed%8c%8c-%ed%86%b5%ec%8b%a0-%ec%8b%9c%ec%8a%a4%ed%85%9c%ec%97%90%ec%84%9c-%ec%82%ac%ec%9a%a9%eb%90%98%eb%8a%94-%eb%8b%a4%ec%96%91%ed%95%9c-%eb%b3%80%ec%a1%b0-%ea%b8%b0%eb%b2%95","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%a0%84%ec%9e%90%ed%8c%8c-%ed%86%b5%ec%8b%a0-%ec%8b%9c%ec%8a%a4%ed%85%9c%ec%97%90%ec%84%9c-%ec%82%ac%ec%9a%a9%eb%90%98%eb%8a%94-%eb%8b%a4%ec%96%91%ed%95%9c-%eb%b3%80%ec%a1%b0-%ea%b8%b0%eb%b2%95\/","title":{"rendered":"\uc804\uc790\ud30c \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ub2e4\uc591\ud55c \ubcc0\uc870 \uae30\ubc95 \uc18c\uac1c"},"content":{"rendered":"<p class=\"sidekick\">\uc804\uc790\ud30c \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc758 AM, FM, PM \ub4f1 \ub2e4\uc591\ud55c \ubcc0\uc870 \uae30\ubc95\uc744 \uc18c\uac1c\ud558\uba70, \uac01 \uae30\ubc95\uc758 \uc6d0\ub9ac\uc640 \uc7a5\ub2e8\uc810\uc744 \uc27d\uac8c \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc804\uc790\ud30c \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ub2e4\uc591\ud55c \ubcc0\uc870 \uae30\ubc95 \uc18c\uac1c<\/h2>\n<p>\uc804\uc790\ud30c \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \uc2e0\ud638\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \uc804\ub2ec\ud558\uae30 \uc704\ud574 \ub2e4\uc591\ud55c \ubcc0\uc870 \uae30\ubc95\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ubcc0\uc870\ub294 \uc815\ubcf4 \uc2e0\ud638\ub97c \uc804\uc1a1\ud558\uae30 \uc704\ud574 \ubc18\uc1a1\ud30c(carrier) \uc2e0\ud638\uc758 \ud2b9\uc131\uc744 \ubcc0\ud654\uc2dc\ud0a4\ub294 \uacfc\uc815\uc744 \ub9d0\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubcc0\uc870 \uae30\ubc95\uc740 \uc815\ubcf4\uc758 \ub0b4\uc6a9, \uc804\uc1a1 \uac70\ub9ac, \ud658\uacbd \uc870\uac74 \ub4f1\uc5d0 \ub530\ub77c \uc120\ud0dd\ub429\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \uba87 \uac00\uc9c0 \uc8fc\uc694 \ubcc0\uc870 \uae30\ubc95\uc744 \uc18c\uac1c\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\uc9c4\ud3ed \ubcc0\uc870 (Amplitude Modulation, AM)<\/li>\n<li>\uc8fc\ud30c\uc218 \ubcc0\uc870 (Frequency Modulation, FM)<\/li>\n<li>\uc704\uc0c1 \ubcc0\uc870 (Phase Modulation, PM)<\/li>\n<li>\ud384\uc2a4 \ubcc0\uc870 (Pulse Modulation, PM)<\/li>\n<\/ul>\n<h2>1. \uc9c4\ud3ed \ubcc0\uc870 (AM)<\/h2>\n<p>\uc9c4\ud3ed \ubcc0\uc870\ub294 \ubc18\uc1a1\ud30c \uc2e0\ud638\uc758 \uc9c4\ud3ed\uc744 \uc815\ubcf4 \uc2e0\ud638\uc758 \ud06c\uae30\uc5d0 \ub530\ub77c \ubcc0\ud654\uc2dc\ud0a4\ub294 \ubcc0\uc870 \uae30\ubc95\uc785\ub2c8\ub2e4. AM\uc740 \ub2e4\uc74c \uc2dd\uc73c\ub85c \ud45c\ud604\ub429\ub2c8\ub2e4:<\/p>\n<p>\\[ s(t) = [1 + m(t)] \\cdot \\cos(2\\pi f_c t) \\]<\/p>\n<p>\uc5ec\uae30\uc11c \\( m(t) \\)\ub294 \uc815\ubcf4 \uc2e0\ud638, \\( f_c \\)\ub294 \ubc18\uc1a1\ud30c \uc8fc\ud30c\uc218\uc785\ub2c8\ub2e4. AM\uc758 \uc7a5\uc810\uc740 \uad6c\ud604\uc774 \uac04\ub2e8\ud558\ub2e4\ub294 \uac83\uc774\uc9c0\ub9cc, \uc7a1\uc74c\uc5d0 \ubbfc\uac10\ud55c \ub2e8\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>2. \uc8fc\ud30c\uc218 \ubcc0\uc870 (FM)<\/h2>\n<p>\uc8fc\ud30c\uc218 \ubcc0\uc870\ub294 \ubc18\uc1a1\ud30c \uc2e0\ud638\uc758 \uc8fc\ud30c\uc218\ub97c \uc815\ubcf4 \uc2e0\ud638\uc758 \ud06c\uae30\uc5d0 \ub530\ub77c \ubcc0\ud654\uc2dc\ud0a4\ub294 \ubcc0\uc870 \uae30\ubc95\uc785\ub2c8\ub2e4. FM\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\ud604\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<p>\\[ s(t) = \\cos \\left( 2\\pi f_c t + k_f \\cdot \\int_{0}^{t} m(\\tau) \\, d\\tau \\right) \\]<\/p>\n<p>\uc5ec\uae30\uc11c \\( k_f \\)\ub294 \uc8fc\ud30c\uc218 \ubcc0\ud654\uc758 \ubcc0\uc870 \uc9c0\uc218\uc785\ub2c8\ub2e4. FM\uc740 AM\ubcf4\ub2e4 \uc7a1\uc74c\uc5d0 \uac15\ud558\uace0 \uace0\uc74c\uc9c8\uc744 \uc81c\uacf5\ud558\uc9c0\ub9cc, \ud544\uc694\ud55c \ub300\uc5ed\ud3ed\uc774 \ub354 \ub113\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>3. \uc704\uc0c1 \ubcc0\uc870 (PM)<\/h2>\n<p>\uc704\uc0c1 \ubcc0\uc870\ub294 \ubc18\uc1a1\ud30c \uc2e0\ud638\uc758 \uc704\uc0c1\uc744 \uc815\ubcf4 \uc2e0\ud638\uc758 \ud06c\uae30\uc5d0 \ub530\ub77c \ubcc0\ud654\uc2dc\ud0a4\ub294 \ubcc0\uc870 \uae30\ubc95\uc785\ub2c8\ub2e4. PM\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\ud604\ub429\ub2c8\ub2e4:<\/p>\n<p>\\[ s(t) = \\cos \\left( 2\\pi f_c t + k_p \\cdot m(t) \\right) \\]<\/p>\n<p>\uc5ec\uae30\uc11c \\( k_p \\)\ub294 \uc704\uc0c1 \ubcc0\ud654\uc758 \ubcc0\uc870 \uc9c0\uc218\uc785\ub2c8\ub2e4. PM\uc740 FM\uacfc \ube44\uc2b7\ud55c \ud2b9\uc131\uc744 \uac00\uc9c0\uc9c0\ub9cc, \uad6c\ud604 \ubc29\uc2dd\uc5d0\uc11c \ucc28\uc774\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>4. \ud384\uc2a4 \ubcc0\uc870 (PM)<\/h2>\n<p>\ud384\uc2a4 \ubcc0\uc870\ub294 \ub514\uc9c0\ud138 \uc2e0\ud638\ub97c \ubc18\uc1a1\ud30c\ub85c \uc0ac\uc6a9\ud558\ub294 \ubcc0\uc870 \uae30\ubc95\uc73c\ub85c, \uc804\uc1a1 \ud6a8\uc728\uc774 \ub192\uace0 \uc7a1\uc74c\uc5d0 \uac15\ud569\ub2c8\ub2e4. \ub300\ud45c\uc801\uc778 \ud384\uc2a4 \ubcc0\uc870 \uae30\ubc95\uc73c\ub85c\ub294 \ub2e4\uc74c\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\ud384\uc2a4 \uc9c4\ud3ed \ubcc0\uc870 (Pulse Amplitude Modulation, PAM)<\/li>\n<li>\ud384\uc2a4 \uc704\uce58 \ubcc0\uc870 (Pulse Position Modulation, PPM)<\/li>\n<li>\ud384\uc2a4 \ud3ed \ubcc0\uc870 (Pulse Width Modulation, PWM)<\/li>\n<\/ul>\n<p>PAM\uc740 \ud384\uc2a4 \uc2e0\ud638\uc758 \uc9c4\ud3ed\uc744 \ubcc0\ud654\uc2dc\ud0a4\ub294 \ubc29\uc2dd\uc774\uace0, PPM\uc740 \ud384\uc2a4 \uc2e0\ud638\uc758 \uc704\uce58\ub97c, PWM\uc740 \ud384\uc2a4 \uc2e0\ud638\uc758 \ud3ed\uc744 \ubcc0\ud654\uc2dc\ud0a4\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>\uc804\uc790\ud30c \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ub2e4\uc591\ud55c \ubcc0\uc870 \uae30\ubc95\uc740 \uac01\uae30 \uc7a5\ub2e8\uc810\uc774 \uc788\uc73c\uba70, \ud2b9\uc815 \uc0c1\ud669\uc5d0 \ub9de\ub294 \ubcc0\uc870 \uae30\ubc95\uc744 \uc120\ud0dd\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774\uc640 \uac19\uc740 \ubcc0\uc870 \uae30\ubc95\uc744 \uc774\ud574\ud558\uace0 \ud65c\uc6a9\ud568\uc73c\ub85c\uc368, \ubcf4\ub2e4 \ud6a8\uc728\uc801\uc774\uace0 \uc2e0\ub8b0\uc131 \uc788\ub294 \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc744 \uad6c\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc804\uc790\ud30c \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc758 AM, FM, PM \ub4f1 \ub2e4\uc591\ud55c \ubcc0\uc870 \uae30\ubc95\uc744 \uc18c\uac1c\ud558\uba70, \uac01 \uae30\ubc95\uc758 \uc6d0\ub9ac\uc640 \uc7a5\ub2e8\uc810\uc744 \uc27d\uac8c \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":[101],"tags":[],"class_list":["post-213651","post","type-post","status-publish","format-standard","hentry","category-101","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\uc790\ud30c \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ub2e4\uc591\ud55c \ubcc0\uc870 \uae30\ubc95 \uc18c\uac1c<\/title>\n<meta name=\"description\" content=\"\uc804\uc790\ud30c \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc758 AM, FM, PM \ub4f1 \ub2e4\uc591\ud55c 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