{"provider_url":"https://hatena.blog","blog_title":"raspberry\u8272\u306e\u65e5\u8a18\uff08\u3053\u3063\u305d\u308a\u30e9\u30b8\u30b3\u30f3\u30d8\u30ea\u95a2\u9023\u65e5\u8a18\uff09","title":"\u3055\u3089\u306b\u304a\u3044\u3053\u307f","author_url":"https://blog.hatena.ne.jp/raspy/","provider_name":"Hatena Blog","version":"1.0","type":"rich","url":"https://raspy.hatenadiary.org/entry/20080403/p3","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fraspy.hatenadiary.org%2Fentry%2F20080403%2Fp3\" title=\"\u3055\u3089\u306b\u304a\u3044\u3053\u307f - raspberry\u8272\u306e\u65e5\u8a18\uff08\u3053\u3063\u305d\u308a\u30e9\u30b8\u30b3\u30f3\u30d8\u30ea\u95a2\u9023\u65e5\u8a18\uff09\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://raspy.hatenadiary.org/","categories":["\u7406\u8ad6"],"author_name":"raspy","published":"2008-04-03 00:00:00","description":"\u3067\u300188.2kHz\u3067\u306f\u91cd\u3059\u30ae\u306a\u306e\u3067\u300144.1kHz\u3067\u5c11\u3057\u7a4d\u5206\u8aa4\u5dee\u3092\u88dc\u6b63\u3057\u3066\u307f\u305f\u3002 \u88dc\u6b63\u3057\u305f\u3068\u3053\u308d\u300115kHz\u7a0b\u307e\u3067\u306f\u5b8c\u5168\u306b\u30d5\u30e9\u30c3\u30c8\u307e\u3067\u3082\u3061\u3053\u3080\u3053\u3068\u304c\u3067\u304d\u305f\u3002\u307e\u305f\u300144.1kHz\u306e\u307b\u3046\u304c\u4f4e\u57df\u306eFIR\u306e\u6027\u80fd\u306f\u5f53\u7136\u826f\u3044\u306e\u3067\u3001\u3088\u308a\u826f\u3044\u6210\u679c\u304c\u5f97\u3089\u308c\u305f\u3002\u4f8b\u306b\u3088\u3063\u3066\u30ea\u30b5\u30f3\u30d7\u30eb\u3057\u305f\u30a4\u30f3\u30d1\u30eb\u30b9\u30021\u76ee\u76db2dB\u3002 \u30b9\u30a4\u30fc\u30d7\u3067\u6e2c\u308b\u3068\u4f4e\u57df\u306f\u307b\u307c\u5b8c\u5168\u306b\u30d5\u30e9\u30c3\u30c8(\u4ee5\u524d\u306e\u30b9\u30a4\u30fc\u30d7\u56f3\u3088\u308a\u305a\u3063\u3068\u30d5\u30e9\u30c3\u30c8)\u3002 (\u6e2c\u5b9a\u65b9\u6cd5\u306b\u7591\u554f\u3092\u6b8b\u3057\u306a\u304c\u3089\u3082)\u3068\u308a\u3042\u3048\u305a\u3053\u308c\u3067f\u7279\u306f\u307b\u307c\u30af\u30ea\u30a2\u3060\u3063 \u2026\u2026\u3063\u3066\u3053\u308c\u7fa4\u9045\u5ef6\u88dc\u6b63\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u3059\u3001\u3063\u3066\u3044\u3046\u58f2\u308a\u3067\u3057\u305f\u306d\u3002\u3002\u516c\u958b\u306f\u307e\u305f\u304a\u3063\u3066\u884c\u3046\u4e88\u5b9a\u3002","height":"190","image_url":"http://farm3.static.flickr.com/2338/2385639332_0beef4c889_m.jpg","width":"100%"}