{"type":"rich","height":"190","categories":[],"published":"2018-03-31 01:41:59","blog_title":"ecmemo_n\u306e\u30d6\u30ed\u30b0","version":"1.0","provider_url":"https://hatena.blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/e/ecmemo_n/20180331/20180331002814.png","title":"QAM\u306e\u52d5\u4f5c\u539f\u7406\u3092\u56de\u8def\u306b\u843d\u3068\u3057\u8fbc\u3093\u3067\u307f\u308b","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fecmemo-n.hatenablog.com%2Fentry%2F2018%2F03%2F31%2F014159\" title=\"QAM\u306e\u52d5\u4f5c\u539f\u7406\u3092\u56de\u8def\u306b\u843d\u3068\u3057\u8fbc\u3093\u3067\u307f\u308b - ecmemo_n\u306e\u30d6\u30ed\u30b0\" 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":"ecmemo_n","url":"https://ecmemo-n.hatenablog.com/entry/2018/03/31/014159","author_url":"https://blog.hatena.ne.jp/ecmemo_n/","width":"100%","description":"\u4f5c\u3089\u306a\u304d\u3083\u3044\u3051\u306a\u3044\u30e2\u30ce\u3082\u3042\u308b\u306e\u306f\u3055\u3066\u304a\u304d\u3001\u305f\u307e\u305f\u307e\u89e6\u308c\u308b\u6a5f\u4f1a\u304c\u3042\u3063\u305f\u53ef\u8996\u5149\u901a\u4fe1\u306e\u5909\u8abf\u65b9\u5f0f\u306b\u95a2\u9023\u3057\u3001\u56de\u8def\u30ec\u30d9\u30eb\u3067\u306e\u5b9f\u88c5\u65b9\u6cd5\u304c\u30e2\u30e4\u30e2\u30e4\u3057\u3066\u3044\u305fQAM\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u3066\u307f\u308b\u3002 QAM\uff08Quadrature Amplitude Modulation / \u304b\u3080\uff09\u3068\u306f \u3053\u306e\u3042\u305f\u308a\u304c\u8a73\u3057\u3044\u306e\u3067\u7d30\u304b\u3044\u8aac\u660e\u306f\u5272\u611b\u3002 \u8981\u3059\u308b\u306bASK(\u632f\u5e45\u5909\u8abf)\u3068PSK(\u4f4d\u76f8\u5909\u8abf)\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u3088\u3046\u306a\u6280\u8853\u3067\u3001\u5358\u4f4d\u6642\u9593\u5f53\u305f\u308a\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u91cf\u3092\u5f15\u304d\u4e0a\u3052\u308b\u3068\u3044\u3046\u65b9\u5f0f\u3002\u8eab\u8fd1\u306a\u6240\u3067\u306f\u30c9\u30b3\u30e2\u306ePREMIUM 4G\u30671symbol\u5f53\u305f\u308a8bit\u98db\u3070\u305b\u308b256QAM\u304c\u4f7f\u308f\u308c\u3066\u3044\u305f\u308a\u3002 \u3044\u3056\u539f\u7406\u3092\u8abf\u3079\u3066\u307f\u308b\u3068\u30d6\u30ed\u30c3\u30af\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u306f\u3044\u304f\u3089\u3067\u3082\u51fa\u308b\u304c\u30011\u304b\u2026","blog_url":"https://ecmemo-n.hatenablog.com/","provider_name":"Hatena Blog"}