{"width":"100%","author_name":"kibojin","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkibojin.hatenadiary.jp%2Fentry%2F20050501%2Fp1\" title=\"\u96fb\u6ce2\u4f1d\u642c\u306a\u8a71 - \u30b5\u30a4\u30d0\u30fc\u30ab\u30e9\u30c6\u9053\u5834 \u6d25\u5cf6\u7814\u7a76\u65bd\u8a2d(\u4e88\u5b9a\u5730)\" 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://kibojin.hatenadiary.jp/","title":"\u96fb\u6ce2\u4f1d\u642c\u306a\u8a71","published":"2005-05-01 00:00:01","image_url":null,"provider_name":"Hatena Blog","height":"190","url":"https://kibojin.hatenadiary.jp/entry/20050501/p1","description":"\u5148\u65e5\u306e\u3001\u4ed5\u69d8\u66f8\u3068\u3044\u3046\u540d\u306e\u5984\u60f3\u6587\u66f8\u306f\u306a\u304b\u3063\u305f\u3053\u3068\u306b\u306a\u3063\u305f\u306e\u3060\u304c\u3001\u305f\u3060\u50cd\u304d\u3067\u5c4b\u5185\u306e\u4f1d\u642c\u306e\u5b9f\u9a13\u5f0f\u3092\u4f5c\u308b\u3053\u3068\u306b\u306a\u3063\u305f\u3002\uff08\u3068\u3044\u3046\u304b\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u3092\u6301\u3063\u3066\u3044\u3063\u305f\u306e\u3060\u304c\uff09 \u6700\u8fd1IEICE\u306e\u8ad6\u6587\u95b2\u89a7\u3082\u81ea\u7531\u306b\u306f\u3067\u304d\u306a\u304f\u306a\u3063\u305f\u306e\u3067\u3001\u5b66\u4f1a\u3068\u3044\u3046\u3082\u306e\u306b\u3068\u3093\u3068\u7e01\u306e\u306a\u3044\u79c1\u306b\u306f\u3064\u3089\u3044\u3068\u3053\u308d\u3067\u3042\u308b\u3002\u3067\u3082\u3001\u6d77\u5916\u307e\u3067\u691c\u7d22\u306e\u7bc4\u56f2\u3092\u5e83\u3052\u308b\u3068\u3001\u3044\u308f\u3086\u308b\u30a4\u30f3\u30c9\u30a2\u306e\u30d1\u30b9\u30ed\u30b9\u306b\u3064\u3044\u3066\u306e\u8cc7\u6599\u306f\u3044\u304f\u3064\u304b\u3072\u3063\u304b\u304b\u308b\u3002\u5927\u96d1\u628a\u306a\u8a71\u3092\u3059\u308c\u3070\u3001 L [dB] = \u03b1*log10( D [m]) + \u03b2 \u3068\u3044\u3046\u5f0f\u306b\u5f53\u3066\u306f\u3081\u3066\u3001\u03b1\u3092\u6c42\u3081\u308b\u308f\u3051\u3060\u3002\u5f53\u7136\u81ea\u7531\u7a7a\u9593\u3067\u306f\u03b1= 20 (\u8a02\u6b63\u3057\u307e\u3057\u305f) \u3068\u306a\u308b\u3002\u624b\u5143\u306b\u306f\u30b5\u30fc\u30d3\u30b9\u958b\u59cb\u6642\u306e\u5b9f\u6e2c\u30c7\u30fc\u30bf\u304c\u3042\u308b\u306e\u3067\u30d7\u30ed\u30c3\u30c8\u3057\u3066\u307f\u305f\u308f\u2026","type":"rich","author_url":"https://blog.hatena.ne.jp/kibojin/","blog_title":"\u30b5\u30a4\u30d0\u30fc\u30ab\u30e9\u30c6\u9053\u5834 \u6d25\u5cf6\u7814\u7a76\u65bd\u8a2d(\u4e88\u5b9a\u5730)","provider_url":"https://hatena.blog","version":"1.0","categories":[]}