{"id":5096,"date":"2021-07-07T12:14:10","date_gmt":"2021-07-07T03:14:10","guid":{"rendered":"https:\/\/blog.bitmeister.jp\/?p=5096"},"modified":"2021-07-07T12:21:53","modified_gmt":"2021-07-07T03:21:53","slug":"%e7%b7%8a%e6%80%a5%e8%ad%a6%e5%a0%b1%e6%94%be%e9%80%81%e3%82%92%e5%be%a9%e8%aa%bf%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/blog.bitmeister.jp\/?p=5096","title":{"rendered":"\u7dca\u6025\u8b66\u5831\u653e\u9001\u3092\u5fa9\u8abf\u3059\u308b"},"content":{"rendered":"<p><a href=\"https:\/\/ja.wikipedia.org\/wiki\/\u7dca\u6025\u8b66\u5831\u653e\u9001(EWS)\">\u7dca\u6025\u8b66\u5831\u653e\u9001<\/a>\u306f\u707d\u5bb3\u6642\u306b\u30e9\u30b8\u30aa\u306a\u3069\u306e\u53d7\u4fe1\u88c5\u7f6e\u3092\u81ea\u52d5\u8d77\u52d5\u3059\u308b\u305f\u3081\u306e\u4fe1\u53f7\u3067\u3059\u3002\u3053\u306e\u30d6\u30ed\u30b0\u306b\u8fbf\u308a\u7740\u3044\u3066\u3044\u308b\u6642\u70b9\u3067\u3001\u305d\u3093\u306a\u3053\u3068\u306f\u77e5\u3063\u3066\u308b\u308f\u3044\u3063\u3066\u611f\u3058\u3067\u3059\u304b\u306d\u3002\u3067\u3082\u4e00\u5fdc\u66f8\u3044\u3066\u304a\u304b\u306a\u3044\u3053\u3068\u306b\u306f\u8a18\u4e8b\u3068\u3057\u3066\u6210\u7acb\u3057\u306a\u3044\u306e\u3067\u66f8\u304d\u307e\u3059\u3002<\/p>\n<p>EWS\u306f\u707d\u5bb3\u6642\u306b\u30e9\u30b8\u30aa\u3084\u30c6\u30ec\u30d3\u653e\u9001\u3067\u805e\u304f\u3053\u3068\u304c\u3042\u308b\u3001\u3042\u306e\u4e0d\u7a4f\u306a\u30d4\u30ed\u30d4\u30ed\u97f3\u3067\u3059\u3002\u5168\u304f\u4e00\u822c\u306b\u306f\u666e\u53ca\u3057\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u3042\u308c\u306b\u306f\u30c7\u30b8\u30bf\u30eb\u4fe1\u53f7\u304c\u542b\u307e\u308c\u3066\u3044\u3066\u3001\u305d\u308c\u3092\u691c\u77e5\u3059\u308b\u3068\u81ea\u52d5\u8d77\u52d5\u3059\u308b\u6a5f\u80fd\u304c\u3042\u308b\u30e9\u30b8\u30aa\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002\u3069\u3046\u3084\u3063\u3066\u3044\u308b\u304b\u3068\u3044\u3046\u3068\u3001\u30c7\u30b8\u30bf\u30eb\u4fe1\u53f7\u306e0\u30681\u3092\u305d\u308c\u305e\u308c640Hz\u30681024Hz\u306e\u97f3\u306b\u7f6e\u304d\u63db\u3048\u3066\u8868\u73fe\u3057\u307e\u3059\u3002\u3053\u308c\u3092\u5909\u8abf\u3068\u3044\u3044\u3001\u3068\u304f\u306b0\u30681\u306e\u30c7\u30b8\u30bf\u30eb\u4fe1\u53f7\u30922\u3064\u306e\u5468\u6ce2\u6570\u306e\u5909\u5316\u306b\u7f6e\u304d\u63db\u3048\u308b\u65b9\u5f0f\u3092BFSK(Binary 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\/>\n<a href=\"https:\/\/github.com\/nbtk\/EWSDemodulator\">https:\/\/github.com\/nbtk\/EWSDemodulator<\/a><\/p>\n<p>Raspberry Pi 4\u3068USB\u30aa\u30fc\u30c7\u30a3\u30aa\u30a2\u30c0\u30d7\u30bf\u3067\u52d5\u4f5c\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog.bitmeister.jp\/wp-content\/uploads\/2021\/07\/EWS_RPi.jpg\" alt=\"\" width=\"1024\" height=\"768\" class=\"aligncenter size-full wp-image-5097\" srcset=\"https:\/\/blog.bitmeister.jp\/wp-content\/uploads\/2021\/07\/EWS_RPi.jpg 1024w, https:\/\/blog.bitmeister.jp\/wp-content\/uploads\/2021\/07\/EWS_RPi-300x225.jpg 300w, https:\/\/blog.bitmeister.jp\/wp-content\/uploads\/2021\/07\/EWS_RPi-768x576.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7dca\u6025\u8b66\u5831\u653e\u9001\u306f\u707d\u5bb3\u6642\u306b\u30e9\u30b8\u30aa\u306a\u3069\u306e\u53d7\u4fe1\u88c5\u7f6e\u3092\u81ea\u52d5\u8d77\u52d5\u3059\u308b\u305f\u3081\u306e\u4fe1\u53f7\u3067\u3059\u3002\u3053\u306e\u30d6\u30ed\u30b0\u306b\u8fbf\u308a\u7740\u3044\u3066\u3044\u308b\u6642\u70b9\u3067\u3001\u305d\u3093\u306a\u3053\u3068\u306f\u77e5\u3063\u3066\u308b\u308f\u3044\u3063\u3066\u611f\u3058\u3067\u3059\u304b\u306d\u3002\u3067\u3082\u4e00\u5fdc\u66f8\u3044\u3066\u304a\u304b\u306a\u3044\u3053\u3068\u306b\u306f\u8a18\u4e8b\u3068\u3057\u3066\u6210\u7acb\u3057\u306a\u3044\u306e\u3067\u66f8\u304d\u307e\u3059\u3002 EWS [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5096","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/posts\/5096","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5096"}],"version-history":[{"count":4,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/posts\/5096\/revisions"}],"predecessor-version":[{"id":5101,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/posts\/5096\/revisions\/5101"}],"wp:attachment":[{"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5096"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5096"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5096"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}