{"height":"190","blog_title":"JH1LHV\u306e\u96d1\u8a18\u5e33","version":"1.0","blog_url":"https://www.jh1lhv.tokyo/","author_name":"JH1LHV","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/JH1LHV/","width":"100%","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/J/JH1LHV/20250310/20250310122831.jpg","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.jh1lhv.tokyo%2Fentry%2F2025%2F03%2F12%2F194911\" title=\"SINAD \u8a08\u306e\u88fd\u4f5c\u306b\u3064\u3044\u3066 - JH1LHV\u306e\u96d1\u8a18\u5e33\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["\u6e2c\u5b9a\u6a5f\u5668","SINAD"],"published":"2025-03-12 19:49:11","title":"SINAD \u8a08\u306e\u88fd\u4f5c\u306b\u3064\u3044\u3066","description":"FM \u53d7\u4fe1\u6a5f\u306e\u611f\u5ea6\u8a55\u4fa1\u306b\u3088\u304f\u7528\u3044\u3089\u308c\u308b\u6307\u6a19\u306e\u3072\u3068\u3064\u306b\u300cSINAD\u300d\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u300cSignal to Noise And Distortion\u300d\u306e\u982d\u6587\u5b57\u3092\u53d6\u3063\u305f\u3082\u306e\u3067\u3001\u53d7\u4fe1\u6a5f\u304c\u3069\u308c\u3060\u3051\u7d14\u7c8b\u306a\u4fe1\u53f7\u3092\u53d6\u308a\u51fa\u305b\u308b\u304b\u3092\u793a\u3059\u6307\u6a19\u3067\u3059\u3002\u5177\u4f53\u7684\u306a\u6e2c\u5b9a\u65b9\u6cd5\u3068\u3057\u3066\u306f\u30011 kHz \u30c8\u30fc\u30f3\u3067\u5909\u8abf\u3055\u308c\u305f\u4fe1\u53f7\u3092\u53d7\u4fe1\u6a5f\u3067\u53d7\u4fe1\u3057\u3001\u51fa\u529b\u3055\u308c\u305f\u30aa\u30fc\u30c7\u30a3\u30aa\u304b\u3089 1 kHz \u6210\u5206\u3092\u30ce\u30c3\u30c1\u30d5\u30a3\u30eb\u30bf\u3067\u53d6\u308a\u9664\u304d\uff08\u30ce\u30a4\u30ba\uff0b\u6b6a\u6210\u5206\u306e\u307f\u3092\u62bd\u51fa\uff09\u3001\u305d\u308c\u3092\u5143\u306e\u4fe1\u53f7\u6210\u5206\u3068\u6bd4\u8f03\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u3053\u306e\u6bd4\u7387\u306f\u901a\u5e38\u3001\u30c7\u30b7\u30d9\u30eb\uff08dB\uff09\u5358\u4f4d\u3067\u8868\u3055\u308c\u3001\u5024\u304c\u5927\u304d\u3044\u307b\u3069\u53d7\u4fe1\u6027\u80fd\u304c\u9ad8\u3044\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002\u30a2\u30de\u30c1\u30e5\u30a2\u7121\u7dda\u6a5f\u306e\u5834\u5408\u300112dB SINAD \u304c\u5b9f\u7528\u611f\u5ea6\u306e\u76ee\u5b89\u2026","url":"https://www.jh1lhv.tokyo/entry/2025/03/12/194911"}