{"id":12049,"date":"2025-08-04T09:00:19","date_gmt":"2025-08-04T00:00:19","guid":{"rendered":"https:\/\/blog.agentsoft.co.kr\/index.php\/2025\/08\/04\/12049\/"},"modified":"2025-08-04T09:00:19","modified_gmt":"2025-08-04T00:00:19","slug":"a-%ec%a0%95%eb%b3%b4%ed%86%b5%ec%8b%a0%ec%8b%a4%ed%97%98-7%ec%a3%bc%ec%b0%a8-%ec%98%88%eb%b9%84%eb%b3%b4%ea%b3%a0%ec%84%9c-%ec%a7%84%ed%8f%ad-%eb%b3%80%ec%a1%b0-%ed%9a%8c%eb%a1%9c","status":"publish","type":"post","link":"https:\/\/blog.agentsoft.co.kr\/index.php\/2025\/08\/04\/12049\/","title":{"rendered":"A+ \uc815\ubcf4\ud1b5\uc2e0\uc2e4\ud5d8 7\uc8fc\ucc28 \uc608\ube44\ubcf4\uace0\uc11c &#8211; \uc9c4\ud3ed \ubcc0\uc870 \ud68c\ub85c"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/image4.happycampus.com\/Production\/thumb212\/2024\/02\/05\/data29435451-0001.jpg\"><img decoding=\"async\" src=\"https:\/\/image4.happycampus.com\/Production\/thumb212\/2024\/02\/05\/data29435451-0002.jpg\"><\/p>\n<p><strong>\ubaa9\ucc28<\/strong><\/p>\n<p>1. \uc2e4\ud5d8\uc774\ub860<br \/>\n2. \uc608\ube44\uc2e4\ud5d8<br \/>\n3. \uc608\ube44\ubcf4\uace0\uc11c \uacb0\uacfc<\/p>\n<p><strong>\ubcf8\ubb38\ub0b4\uc6a9<\/strong><\/p>\n<p>\uf071 \ubcc0\uc870(modulation)<br \/>\n\u25cf \uc2e0\ud638\ub97c\uc8fc\uc5b4\uc9c4\ud1b5\uc2e0\ucc44\ub110\uc5d0\uc801\ud569\ud558\ub3c4\ub85d\uc2e0\ud638\ub97c\uc870\uc791\ud558\ub294\uacfc\uc815<br \/>\n\u25cf \uc77c\ubc18\uc801\uc73c\ub85c \uc2e0\ud638\uac00 \uc6d0\ub798 \uac00\uc9c0\uace0 \uc788\ub294 \uc8fc\ud30c\uc218 \ubc94\uc704(\uae30\uc800\ub300\uc5ed: baseband)\ubcf4\ub2e4 \ucda9\ubd84\ud788 \ud070 \uc8fc\ud30c\uc218\ub300\uc5ed\uc73c\ub85c \uc2a4\ud399\ud2b8\ub7fc\uc744 \uc774\ub3d9\uc2dc\ucf1c \uc804\uc1a1\ud55c\ub2e4.<\/p>\n<p>\uf071 Modulated Carrier<\/p>\n<p>\u2022 3 parameters: \uc9c4\ud3ed, \uc8fc\ud30c\uc218, \uc704\uc0c1<\/p>\n<p>\uf071 \uc9c4\ud3ed \ubcc0\uc870<br \/>\n\u2022 \uc815\ubcf4\uc2e0\ud638\uc5d0 \ub530\ub77c \ubc18\uc1a1\ud30c\uc758 \uc9c4\ud3ed\uc744 \ubcc0\ud654\uc2dc\ud0a4\ub294 \ubcc0\uc870 \ubc29\uc2dd<\/p>\n<p>\uf071 \uc9c4\ud3ed \ubcc0\uc870\uc758 \uc885\ub958<br \/>\n\u2022 DSB-SC (Double Sideband Suppressed Carrier)<br \/>\n\u2022 DSB-TC (Double Sideband Transmitted Carrier)<br \/>\n\u2022 SSB (Single Sideband)<br \/>\n\u2022 VSB (Vestigial Sideband) <\/p>\n<p><\uc911 \ub7b5><\/p>\n<p>3. SSB (Single Sideband)<br \/>\n1. \ub300\uc5ed\ud3ed\uc774 BHz\uc778 \uae30\uc800\ub300\uc5ed\uc2e0\ud638\ub97c DSB \ubcc0\uc870(DSB-SC \ub610\ub294DSBTC)\ud558\uba74 \ub300\uc5ed\ud3ed\uc774 2BHz\ub85c \uae30\uc800\ub300\uc5ed\uc2e0\ud638\uc758 \ub450\ubc30\uac00 \ub41c\ub2e4. \u0089<br \/>\n2. DSB \uc2e0\ud638\ub294 \ubc18\uc1a1\ud30c\ub97c \uc911\uc2ec\uc73c\ub85c USB\uc640 LSB\uc758 \ub450 \uac1c\uc758 \uce21\ud30c\ub300\ub97c \uac00\uc9c4\ub2e4. \u0089<br \/>\n3. \ud478\ub9ac\uc5d0\ubcc0\ud658\uc758 \uc131\uc9c8\uc5d0\uc11c \uc2e4\ud568\uc218x(t)\uc758 \ud478\ub9ac\uc5d0\ubcc0\ud658X(f)\ub294 \uacf5\uc561\ub300\uce6d, \uc989 X(f)=X*(-f) \ub77c\ub294 \uac83\uc744 \uc54c\uace0 \uc788\ub2e4. \ubc14\uafb8\uc5b4 \ub9d0\ud558\uba74 \uc9c4\ud3ed \uc2a4\ud399\ud2b8\ub7fc\uc740 \uc6b0\ud568\uc218(\uc88c\uc6b0\ub300\uce6d)\uc774\uace0 \uc704\uc0c1 \uc2a4\ud399\ud2b8\ub7fc\uc740 \uae30\ud568\uc218(\uc6d0\uc810\uc5d0 \ub300\uce6d)\uc774\ub2e4. \u0089<br \/>\n4. \uc774\uac83\uc740 \uc591\uc758 \uc8fc\ud30c\uc218\uc5d0\uc11c X(f)\uc758 \uac12\uc744 \uc54c\uace0 \uc788\ub2e4\uba74 \uc74c\uc758 \uc8fc\ud30c\uc218\uc5d0\uc11c\uc758 X(f)\uc758 \uac12\uc744 \uc54c \uc218 \uc788\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud55c\ub2e4. \uadf8\ub7ec\ubbc0\ub85c DSB \uc2e0\ud638\uc758 \ub450 \uac1c \uce21\ud30c\ub300 \uc911\uc5d0\uc11c \uc5b4\ub290 \ud55c \ucabd\ub9cc \uc804\uc1a1\ud574\ub3c4 \uc815\ubcf4\uc758 \uc190\uc2e4\uc774 \uc5c6\ub2e4. \uc774\uc640 \uac19\uc774 \uc591\uce21\ud30c\ub300 \uc911 \ud55c\ucabd\uc758 \ub2e8\uce21\ud30c\ub300\ub9cc \uc804\uc1a1\ud558\ub294 \ubc29\uc2dd\uc744 \ub2e8\uce21\ud30c\ub300(Single Side Band: SSB) \ubcc0\uc870\ub77c \ud55c\ub2e4.<\/p>\n<p>\ucd9c\ucc98 : <a href=\"https:\/\/www.happycampus.com\/report-doc\/29435451\/\" target=\"_blank\">\ud574\ud53c\ucea0\ud37c\uc2a4<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ubaa9\ucc28 1. \uc2e4\ud5d8\uc774\ub860 2. \uc608\ube44\uc2e4\ud5d8 3. \uc608\ube44\ubcf4\uace0\uc11c \uacb0\uacfc \ubcf8\ubb38\ub0b4\uc6a9 \uf071 \ubcc0\uc870(modulation) \u25cf \uc2e0\ud638\ub97c\uc8fc\uc5b4\uc9c4\ud1b5\uc2e0\ucc44\ub110\uc5d0\uc801\ud569\ud558\ub3c4\ub85d\uc2e0\ud638\ub97c\uc870\uc791\ud558\ub294\uacfc\uc815 \u25cf \uc77c\ubc18\uc801\uc73c\ub85c \uc2e0\ud638\uac00 \uc6d0\ub798 \uac00\uc9c0\uace0 \uc788\ub294 \uc8fc\ud30c\uc218 \ubc94\uc704(\uae30\uc800\ub300\uc5ed: baseband)\ubcf4\ub2e4 \ucda9\ubd84\ud788 \ud070 \uc8fc\ud30c\uc218\ub300\uc5ed\uc73c\ub85c \uc2a4\ud399\ud2b8\ub7fc\uc744 \uc774\ub3d9\uc2dc\ucf1c \uc804\uc1a1\ud55c\ub2e4. \uf071 Modulated Carrier \u2022 3 parameters: \uc9c4\ud3ed, \uc8fc\ud30c\uc218, \uc704\uc0c1 \uf071 \uc9c4\ud3ed \ubcc0\uc870 \u2022 \uc815\ubcf4\uc2e0\ud638\uc5d0 \ub530\ub77c \ubc18\uc1a1\ud30c\uc758 \uc9c4\ud3ed\uc744 \ubcc0\ud654\uc2dc\ud0a4\ub294 \ubcc0\uc870 \ubc29\uc2dd \uf071 \uc9c4\ud3ed \ubcc0\uc870\uc758 \uc885\ub958 \u2022 DSB-SC (Double [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[9301,7228,17414,17412,15393],"class_list":["post-12049","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-__aa","tag-7228","tag-17414","tag-17412","tag-15393"],"_links":{"self":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/12049","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/comments?post=12049"}],"version-history":[{"count":0,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/12049\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=12049"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/categories?post=12049"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/tags?post=12049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}