{"categories":[],"blog_title":"bloch\u306e\u65e5\u8a18","type":"rich","image_url":null,"version":"1.0","blog_url":"https://bloch.hatenablog.com/","description":"\u6570\u5e74\u524d\u306b\u8907\u7d20FFT\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u6539\u9020\u3057\u3001Quadrature Detection\u3092\u51fa\u6765\u308b\u3088\u3046\u306b\u3057\u3066\u60a6\u306b\u5165\u3063\u3066\u3044\u305f\u306e\u3060\u3051\u308c\u3069\u3001\u3053\u306e\u3068\u3053\u308d\u3069\u3046\u3082\u8abf\u5b50\u304c\u304a\u304b\u3057\u3044\u3002\u30ce\u30a4\u30b8\u30fc\u306a\u306e\u3060\u3002 \u6570\u6642\u9593\u304b\u3051\u3066\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u3088\u304f\u3088\u304f\u898b\u308b\u3068\u3001sin/cos\u306e\u914d\u5217\u3092\u4f5c\u308b\u6642\u306e\u521d\u671f\u30c7\u30fc\u30bf\u8a2d\u5b9a\u304c\u3044\u3064\u306e\u9593\u306b\u304b\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3055\u308c\u3066\u3044\u305f\u3001\u3001\u3068\u307b\u307b\u3002 \u6570\u304b\u6708\u307e\u3048\u306b\u3001\u4f55\u304b\u6539\u826f\u3092\u65bd\u3057\u305f\u3068\u304d\u3001\u3084\u3063\u3066\u3057\u307e\u3063\u305f\u3089\u3057\u3044\u3002\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u3068\u304b\u306f\u3084\u3063\u3066\u304a\u3089\u305a\u3001\u60aa\u3044\u610f\u5473\u3067\u8077\u4eba\u7684\u306a\u4f5c\u6cd5\u3067\u4f5c\u3063\u3066\u3044\u308b\u304b\u3089\u4ed5\u65b9\u304c\u306a\u3044\u3002 \u305d\u3046\u3044\u3046\u610f\u5473\u3067\u300120\u5e74\u304f\u3089\u3044\u524d\u306f\u6570\u5341\u500b\u306eTTL\u306e\u914d\u7dda\u3082\u56de\u8def\u56f3\u7121\u3057\u3067\u5e73\u6c17\u3067\u3084\u3063\u3066\u306e\u3051\u3066\u3044\u305f\u306e\u3060\u304c\u3001\u4eca\u306f\u4e00\u3064\u306eTTL\u306e\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u56de\u8def\u3067\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbloch.hatenablog.com%2Fentry%2F20121219\" title=\"FFT\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u58ca\u3057\u3066\u3057\u307e\u3063\u3066\u305f - bloch\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"bloch","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/bloch/","width":"100%","provider_name":"Hatena Blog","published":"2012-12-19 00:00:00","height":"190","title":"FFT\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u58ca\u3057\u3066\u3057\u307e\u3063\u3066\u305f","url":"https://bloch.hatenablog.com/entry/20121219"}