{"id":4299,"date":"2021-12-31T12:28:39","date_gmt":"2021-12-31T03:28:39","guid":{"rendered":"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=4299"},"modified":"2022-01-16T17:21:17","modified_gmt":"2022-01-16T08:21:17","slug":"gnu-radio-%eb%a5%bc-%ec%9d%b4%ec%9a%a9%ed%95%b4-fm-%eb%9d%bc%eb%94%94%ec%98%a4-%ec%88%98%ec%8b%a0%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=4299","title":{"rendered":"Gnu Radio 3.8 \ub97c \uc774\uc6a9\ud574 FM \ub77c\ub514\uc624 \uc218\uc2e0\ud558\uae30(1\/2)"},"content":{"rendered":"<h1>Gnu Radio 3.8 \ub97c \uc774\uc6a9\ud574 FM \ub77c\ub514\uc624 \uc218\uc2e0\ud558\uae30(1\/2)<\/h1>\n<p><a href=\"https:\/\/hook.tistory.com\/m\/entry\/HackRF-One%EA%B3%BC-GNU-Radio%EB%A1%9C-FM-%EB%9D%BC%EB%94%94%EC%98%A4-%EB%B0%A9%EC%86%A1-%EB%93%A3%EA%B8%B0\">\ucc38\uc870<\/a><\/p>\n<p><a href=\"https:\/\/wiki.gnuradio.org\/index.php\/Guided_Tutorial_Hardware_Considerations\">\ucc38\uc870<\/a><\/p>\n<p>. . . . . . . . . . . . . . . . . . . . . . . . .<br \/>\n. . . . . . . . . . . . . . . . . . . . . . . . .<br \/>\n. . . . . . . . . . . . . . . . . . . . . . . . .<\/p>\n<h2>\ud544\uc694 \ud558\ub4dc\uc6e8\uc5b4<\/h2>\n<p>RTLSDR \ud558\ub4dc\uc6e8\uc5b4 \uc7a5\ube44\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc18d\uc131 \uc124\uc815<\/h2>\n<p>2e6 \ub294 2000000 \uc744 \uc758\ubbf8\ud558\uba70 2M \uc73c\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4.<br \/>\n\uc77c\ubc18\uc801\uc73c\ub85c \uac00\uc7a5 \ub9ce\uc774 \uc0ac\uc6a9\ub418\ub294 sample rate \uc785\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.skyer9.pe.kr\/wordpress\/wp-content\/uploads\/2021\/12\/2021-12-31-09.png\" alt=\"\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.skyer9.pe.kr\/wordpress\/wp-content\/uploads\/2021\/12\/2021-12-31-10.png\" alt=\"\" \/><\/p>\n<h2>RTL-SDR \uc18c\uc2a4 \ucd94\uac00<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.skyer9.pe.kr\/wordpress\/wp-content\/uploads\/2021\/12\/2021-12-31-11.png\" alt=\"\" \/><\/p>\n<p>\uc8fc\ud30c\uc218(Frequency) \ub294 91.9M(MBC FM \ub77c\ub514\uc624) \ub85c \uc124\uc815\ud569\ub2c8\ub2e4.<br \/>\n<del>Gain Mode \ub97c \ud65c\uc131\ud654 \ud574\uc90d\ub2c8\ub2e4.<\/del><br \/>\nGain Mode \ub294 \ube44\ud65c\uc131\ud654\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<br \/>\n\uc911\uc694\ud55c\uac74 \uc548\ud14c\ub098 \uc704\uce58\uc778\ub370&#8230;<br \/>\n\ucc3d\ubc16\uc5d0 \ub193\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.skyer9.pe.kr\/wordpress\/wp-content\/uploads\/2021\/12\/2021-12-31-24.png\" alt=\"\" \/><\/p>\n<h2>Low Pass Filter \ucd94\uac00<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.skyer9.pe.kr\/wordpress\/wp-content\/uploads\/2021\/12\/2021-12-31-13.png\" alt=\"\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.skyer9.pe.kr\/wordpress\/wp-content\/uploads\/2021\/12\/2021-12-31-25.png\" alt=\"\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.skyer9.pe.kr\/wordpress\/wp-content\/uploads\/2021\/12\/2021-12-31-15.png\" alt=\"\" \/><\/p>\n<h2>WBFM Receive \ucd94\uac00<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.skyer9.pe.kr\/wordpress\/wp-content\/uploads\/2021\/12\/2021-12-31-16.png\" alt=\"\" \/><\/p>\n<p>500e3 \uc740 Low Pass Filter \uc5d0\uc11c \uc124\uc815\ud55c 500k \uc640 \ub3d9\uc77c\ud55c \uc22b\uc790\uc5ec\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.skyer9.pe.kr\/wordpress\/wp-content\/uploads\/2021\/12\/2021-12-31-17.png\" alt=\"\" \/><\/p>\n<h2>Rational Resampler \ucd94\uac00<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.skyer9.pe.kr\/wordpress\/wp-content\/uploads\/2021\/12\/2021-12-31-18.png\" alt=\"\" \/><\/p>\n<p>48 \uacfc 500 \uc740 \ubb34\uc791\uc704 \uc22b\uc790\uac00 \uc544\ub2c8\ub77c,<br \/>\nWBFM Receive \uc758 \ucd9c\ub825\uac12 500k \uc5d0 48\ubc30 \uc99d\ud3ed \ud6c4,<br \/>\n500 \uc744 \ub098\ub220\uc904 \ub54c \ub4a4\uc5d0 \uc624\ub514\uc624 48k \uac00 \ub418\uae30 \uc704\ud55c \uc22b\uc790\uc785\ub2c8\ub2e4.<\/p>\n<blockquote>\n<p>500k * 48 \/ 500 = 48k<\/p>\n<\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/www.skyer9.pe.kr\/wordpress\/wp-content\/uploads\/2021\/12\/2021-12-31-19.png\" alt=\"\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.skyer9.pe.kr\/wordpress\/wp-content\/uploads\/2021\/12\/2021-12-31-23.png\" alt=\"\" \/><\/p>\n<h2>Audio \ucd94\uac00<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.skyer9.pe.kr\/wordpress\/wp-content\/uploads\/2021\/12\/2021-12-31-21.png\" alt=\"\" \/><\/p>\n<h2>\ub77c\ub514\uc624 \ub4e3\uae30<\/h2>\n<p>\uc57d\uac04\uc758 \uc7a1\uc74c\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc9c0\ub9cc \ub77c\ub514\uc624\uac00 \ub4e4\ub9b0\ub2e4.<\/p>\n<p>\uc548\ud14c\ub098\uac00 \uc880 \ub354 \ucef8\uc73c\uba74 \uc7a1\uc74c\uc774 \ub354 \uc904\uc9c0 \uc54a\uc744\uae4c&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gnu Radio 3.8 \ub97c \uc774\uc6a9\ud574 FM \ub77c\ub514\uc624 \uc218\uc2e0\ud558\uae30(1\/2) \ucc38\uc870 \ucc38\uc870 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\u2026 <span class=\"read-more\"><a href=\"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=4299\">Read More &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[],"class_list":["post-4299","post","type-post","status-publish","format-standard","hentry","category-gnu-radio"],"_links":{"self":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4299","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4299"}],"version-history":[{"count":14,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4299\/revisions"}],"predecessor-version":[{"id":4474,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4299\/revisions\/4474"}],"wp:attachment":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4299"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4299"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}