{"id":478421,"date":"2023-08-09T09:32:37","date_gmt":"2023-08-09T09:32:37","guid":{"rendered":""},"modified":"2023-09-05T11:16:45","modified_gmt":"2023-09-05T11:16:45","slug":"phase-shift-keying","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/phase-shift-keying\/","title":{"rendered":"\u4f4d\u76f8\u30b7\u30d5\u30c8\u30ad\u30fc\u30a4\u30f3\u30b0"},"content":{"rendered":"<p>\u4f4d\u76f8\u30b7\u30d5\u30c8 \u30ad\u30fc\u30a4\u30f3\u30b0 (PSK) \u306f\u3001\u96fb\u6c17\u901a\u4fe1\u304a\u3088\u3073\u30c7\u30fc\u30bf\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u3067\u30a2\u30ca\u30ed\u30b0\u901a\u4fe1\u30c1\u30e3\u30cd\u30eb\u3092\u4ecb\u3057\u3066\u30c7\u30b8\u30bf\u30eb \u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30c7\u30b8\u30bf\u30eb\u5909\u8abf\u6280\u8853\u3067\u3059\u3002\u3053\u308c\u306f\u632f\u5e45\u30b7\u30d5\u30c8 \u30ad\u30fc\u30a4\u30f3\u30b0 (ASK) \u306e\u4e00\u7a2e\u3067\u3001\u642c\u9001\u6ce2\u4fe1\u53f7\u306e\u4f4d\u76f8\u304c\u5909\u8abf\u3055\u308c\u3066\u30c7\u30b8\u30bf\u30eb\u60c5\u5831\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n<h2>\u4f4d\u76f8\u30b7\u30d5\u30c8\u30ad\u30fc\u30a4\u30f3\u30b0\u306e\u8d77\u6e90\u3068\u305d\u306e\u6700\u521d\u306e\u8a00\u53ca\u306e\u6b74\u53f2<\/h2>\n<p>\u4f4d\u76f8\u30b7\u30d5\u30c8\u30ad\u30fc\u30a4\u30f3\u30b0\u306f\u3001\u96fb\u4fe1\u6280\u5e2b\u304c\u30e2\u30fc\u30eb\u30b9\u4fe1\u53f7\u3092\u4f7f\u7528\u3057\u3066\u9577\u8ddd\u96e2\u901a\u4fe1\u3057\u3066\u3044\u305f\u7121\u7dda\u96fb\u4fe1\u306e\u521d\u671f\u306e\u6642\u4ee3\u306b\u307e\u3067\u9061\u308a\u307e\u3059\u3002\u642c\u9001\u4fe1\u53f7\u306e\u7570\u306a\u308b\u4f4d\u76f8\u3092\u4f7f\u7528\u3057\u3066\u60c5\u5831\u3092\u8868\u3059\u3068\u3044\u3046\u6982\u5ff5\u306f\u3001\u30e9\u30eb\u30d5\u30fb\u30cf\u30fc\u30c8\u30ea\u30fc\u304c 1928 \u5e74\u306b\u767a\u8868\u3057\u305f\u300c\u60c5\u5831\u306e\u4f1d\u9001\u300d\u3068\u3044\u3046\u8ad6\u6587\u3067\u521d\u3081\u3066\u8a00\u53ca\u3055\u308c\u307e\u3057\u305f\u3002\u30cf\u30fc\u30c8\u30ea\u30fc\u306f\u3001\u901a\u4fe1\u30c1\u30e3\u30cd\u30eb\u3092\u4ecb\u3057\u3066\u30c7\u30fc\u30bf\u3092\u52b9\u7387\u7684\u306b\u4f1d\u9001\u3059\u308b\u624b\u6bb5\u3068\u3057\u3066\u4f4d\u76f8\u5909\u8abf\u306e\u8003\u3048\u65b9\u306b\u3064\u3044\u3066\u8ad6\u3058\u307e\u3057\u305f\u3002<\/p>\n<h2>\u4f4d\u76f8\u30b7\u30d5\u30c8\u30ad\u30fc\u30a4\u30f3\u30b0\u306b\u95a2\u3059\u308b\u8a73\u7d30\u60c5\u5831<\/h2>\n<p>\u4f4d\u76f8\u30b7\u30d5\u30c8 \u30ad\u30fc\u30a4\u30f3\u30b0\u306f\u3001\u642c\u9001\u4fe1\u53f7\u306e\u4f4d\u76f8\u3092\u5909\u5316\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u30c7\u30b8\u30bf\u30eb \u30c7\u30fc\u30bf\u3092\u30a2\u30ca\u30ed\u30b0\u642c\u9001\u6ce2\u306b\u30a8\u30f3\u30b3\u30fc\u30c9\u3059\u308b\u5909\u8abf\u6280\u8853\u3067\u3059\u3002\u901a\u5e38\u3001\u30d3\u30c3\u30c8\u5f62\u5f0f\u306e\u30c7\u30b8\u30bf\u30eb \u30c7\u30fc\u30bf\u306f\u3001\u642c\u9001\u4fe1\u53f7\u306e\u7279\u5b9a\u306e\u4f4d\u76f8\u89d2\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u89d2\u5ea6\u9593\u306e\u4f4d\u76f8\u9077\u79fb\u306f\u3001\u9001\u4fe1\u3055\u308c\u308b\u30d0\u30a4\u30ca\u30ea\u60c5\u5831\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n<p>PSK \u3067\u306f\u3001\u642c\u9001\u4fe1\u53f7\u306e\u632f\u5e45\u306f\u4e00\u5b9a\u306e\u307e\u307e\u3067\u3059\u304c\u3001\u4f4d\u76f8\u306f\u5909\u8abf\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306b\u5fdc\u3058\u3066\u5909\u5316\u3057\u307e\u3059\u3002\u6700\u3082\u4e00\u822c\u7684\u306a PSK \u65b9\u5f0f\u306b\u306f\u30012 \u5024\u4f4d\u76f8\u30b7\u30d5\u30c8 \u30ad\u30fc\u30a4\u30f3\u30b0 (BPSK)\u3001\u76f4\u4ea4\u4f4d\u76f8\u30b7\u30d5\u30c8 \u30ad\u30fc\u30a4\u30f3\u30b0 (QPSK)\u3001\u304a\u3088\u3073 M \u5024\u30b7\u30f3\u30dc\u30eb\u306b\u3088\u308b\u4f4d\u76f8\u30b7\u30d5\u30c8 \u30ad\u30fc\u30a4\u30f3\u30b0 (M-PSK) \u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u4f4d\u76f8\u30b7\u30d5\u30c8\u30ad\u30fc\u30a4\u30f3\u30b0\u306e\u5185\u90e8\u69cb\u9020\u3068\u305d\u306e\u4ed5\u7d44\u307f<\/h2>\n<p>PSK \u5909\u8abf\u5668\u306e\u5185\u90e8\u69cb\u9020\u306f\u3001\u30c7\u30b8\u30bf\u30eb \u30c7\u30fc\u30bf \u30bd\u30fc\u30b9\u3001\u642c\u9001\u6ce2\u4fe1\u53f7\u767a\u751f\u5668\u3001\u4f4d\u76f8\u5909\u8abf\u5668\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002PSK \u5909\u8abf\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u306f\u3001\u6b21\u306e\u624b\u9806\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30c7\u30b8\u30bf\u30eb\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9<\/strong>: \u9001\u4fe1\u3055\u308c\u308b\u30d0\u30a4\u30ca\u30ea \u30c7\u30fc\u30bf\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3084\u30c7\u30b8\u30bf\u30eb \u30c7\u30d0\u30a4\u30b9\u306a\u3069\u306e\u30c7\u30fc\u30bf \u30bd\u30fc\u30b9\u304b\u3089\u751f\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ad\u30e3\u30ea\u30a2\u4fe1\u53f7\u751f\u6210<\/strong>: \u5b89\u5b9a\u3057\u305f\u642c\u9001\u4fe1\u53f7\u306f\u3001\u901a\u5e38\u3001\u767a\u632f\u56de\u8def\u3092\u4f7f\u7528\u3057\u3066\u751f\u6210\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u642c\u9001\u4fe1\u53f7\u306e\u5468\u6ce2\u6570\u306f\u3001\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u306e\u8981\u4ef6\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4f4d\u76f8\u5909\u8abf\u5668<\/strong>: \u30c7\u30b8\u30bf\u30eb \u30c7\u30fc\u30bf\u306f\u4f4d\u76f8\u5909\u8abf\u5668\u3092\u5236\u5fa1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3001\u4f4d\u76f8\u5909\u8abf\u5668\u306f\u30c7\u30fc\u30bf\u306e\u30d0\u30a4\u30ca\u30ea\u5024\u306b\u57fa\u3065\u3044\u3066\u642c\u9001\u4fe1\u53f7\u306e\u4f4d\u76f8\u3092\u5909\u66f4\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001BPSK \u3067\u306f\u3001\u300c0\u300d\u30d3\u30c3\u30c8\u306f 0 \u5ea6\u306e\u4f4d\u76f8\u30b7\u30d5\u30c8\u306b\u5bfe\u5fdc\u3057\u3001\u300c1\u300d\u30d3\u30c3\u30c8\u306f 180 \u5ea6\u306e\u4f4d\u76f8\u30b7\u30d5\u30c8\u306b\u5bfe\u5fdc\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4f1d\u67d3 ; \u611f\u67d3<\/strong>: \u5909\u8abf\u3055\u308c\u305f\u642c\u9001\u4fe1\u53f7\u306f\u901a\u4fe1\u30c1\u30e3\u30cd\u30eb\u3092\u4ecb\u3057\u3066\u9001\u4fe1\u3055\u308c\u3001\u53d7\u4fe1\u6a5f\u306b\u4f1d\u308f\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u53d7\u4fe1\u5074\u3067\u306f\u3001\u5fa9\u8abf\u5668\u304c\u53d7\u4fe1\u4fe1\u53f7\u306e\u4f4d\u76f8\u9077\u79fb\u3092\u5206\u6790\u3057\u3066\u5143\u306e\u30c7\u30fc\u30bf\u3092\u5fa9\u5143\u3057\u307e\u3059\u3002<\/p>\n<h2>\u4f4d\u76f8\u30b7\u30d5\u30c8\u30ad\u30fc\u30a4\u30f3\u30b0\u306e\u4e3b\u306a\u7279\u5fb4\u306e\u5206\u6790<\/h2>\n<p>\u4f4d\u76f8\u30b7\u30d5\u30c8\u30ad\u30fc\u30a4\u30f3\u30b0\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u5229\u70b9\u304c\u3042\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u3067\u4eba\u6c17\u306e\u3042\u308b\u5909\u8abf\u6280\u8853\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u5e2f\u57df\u5e45\u306e\u52b9\u7387<\/strong>PSK \u306f\u3001\u632f\u5e45\u306e\u5909\u5316\u3067\u306f\u306a\u304f\u4f4d\u76f8\u306e\u5909\u5316\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u8868\u3059\u305f\u3081\u3001\u632f\u5e45\u5909\u8abf\u6280\u8853\u3088\u308a\u3082\u5e2f\u57df\u5e45\u52b9\u7387\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ce\u30a4\u30ba\u306b\u5bfe\u3059\u308b\u5805\u7262\u6027<\/strong>PSK \u306f\u3001\u7279\u306b\u632f\u5e45\u5909\u8abf\u65b9\u5f0f\u3068\u6bd4\u8f03\u3059\u308b\u3068\u3001\u30ce\u30a4\u30ba\u3084\u5e72\u6e09\u306b\u5bfe\u3057\u3066\u6bd4\u8f03\u7684\u8010\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8010\u6027\u306b\u3088\u308a\u3001\u30ce\u30a4\u30ba\u306e\u591a\u3044\u30c1\u30e3\u30cd\u30eb\u3067\u306e\u901a\u4fe1\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b9\u30da\u30af\u30c8\u30eb\u52b9\u7387<\/strong>QPSK \u3084 8-PSK \u306a\u3069\u306e\u9ad8\u6b21 PSK \u65b9\u5f0f\u3067\u306f\u3001\u30b7\u30f3\u30dc\u30eb\u3054\u3068\u306b\u8907\u6570\u306e\u30d3\u30c3\u30c8\u3092\u9001\u4fe1\u3067\u304d\u308b\u305f\u3081\u3001\u5e2f\u57df\u5e45\u3092\u5897\u3084\u3059\u3053\u3068\u306a\u304f\u30c7\u30fc\u30bf \u30ec\u30fc\u30c8\u3092\u4e0a\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b7\u30f3\u30d7\u30eb\u306a\u5fa9\u8abf<\/strong>PSK \u306e\u5fa9\u8abf\u30d7\u30ed\u30bb\u30b9\u306f\u6bd4\u8f03\u7684\u7c21\u5358\u306a\u306e\u3067\u3001\u5b9f\u88c5\u304c\u5bb9\u6613\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u4f4d\u76f8\u30b7\u30d5\u30c8\u30ad\u30fc\u30a4\u30f3\u30b0\u306e\u7a2e\u985e<\/h2>\n<p>\u4f4d\u76f8\u30b7\u30d5\u30c8 \u30ad\u30fc\u30a4\u30f3\u30b0\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u7a2e\u985e\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u5229\u70b9\u3068\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u3082\u4e00\u822c\u7684\u306a PSK \u306e\u7a2e\u985e\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30d0\u30a4\u30ca\u30ea\u4f4d\u76f8\u30b7\u30d5\u30c8\u30ad\u30fc\u30a4\u30f3\u30b0\uff08BPSK\uff09<\/strong>: BPSK \u306f\u3001\u901a\u5e38 0 \u5ea6\u3068 180 \u5ea6\u306e 2 \u3064\u306e\u4f4d\u76f8\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30b8\u30bf\u30eb \u30c7\u30fc\u30bf\u3092\u8868\u3057\u307e\u3059\u3002\u3053\u308c\u306f PSK \u306e\u6700\u3082\u5358\u7d14\u306a\u5f62\u5f0f\u3067\u3001\u6bd4\u8f03\u7684\u5805\u7262\u3067\u3059\u304c\u3001\u5e2f\u57df\u5e45\u52b9\u7387\u306f\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u76f4\u4ea4\u4f4d\u76f8\u30b7\u30d5\u30c8\u30ad\u30fc\u30a4\u30f3\u30b0\uff08QPSK\uff09<\/strong>QPSK \u306f\u3001\u901a\u5e38 90 \u5ea6\u9593\u9694\u306e 4 \u3064\u306e\u4f4d\u76f8\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b7\u30f3\u30dc\u30eb\u3054\u3068\u306b 2 \u30d3\u30c3\u30c8\u306e\u30c7\u30fc\u30bf\u3092\u8868\u3057\u307e\u3059\u3002BPSK \u3088\u308a\u3082\u512a\u308c\u305f\u5e2f\u57df\u5e45\u52b9\u7387\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>8-PSK<\/strong>: 8-PSK \u306f 8 \u3064\u306e\u7570\u306a\u308b\u4f4d\u76f8\u3092\u4f7f\u7528\u3057\u3001\u30b7\u30f3\u30dc\u30eb\u3054\u3068\u306b 3 \u30d3\u30c3\u30c8\u3092\u9001\u4fe1\u3067\u304d\u307e\u3059\u3002\u30b9\u30da\u30af\u30c8\u30eb\u52b9\u7387\u306f\u9ad8\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u30ce\u30a4\u30ba\u306e\u591a\u3044\u30c1\u30e3\u30cd\u30eb\u3067\u306f\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>16-PSK<\/strong>16-PSK \u306f 16 \u306e\u7570\u306a\u308b\u4f4d\u76f8\u3092\u63a1\u7528\u3057\u3001\u30b7\u30f3\u30dc\u30eb\u3054\u3068\u306b 4 \u30d3\u30c3\u30c8\u3092\u9001\u4fe1\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30ce\u30a4\u30ba\u306e\u5f71\u97ff\u3092\u53d7\u3051\u3084\u3059\u304f\u306a\u308a\u3001\u3088\u308a\u9ad8\u3044\u4fe1\u53f7\u5bfe\u30ce\u30a4\u30ba\u6bd4\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u4f4d\u76f8\u30b7\u30d5\u30c8\u30ad\u30fc\u30a4\u30f3\u30b0\u306e\u4f7f\u7528\u65b9\u6cd5\u3001\u554f\u984c\u3001\u89e3\u6c7a\u7b56<\/h2>\n<p>\u4f4d\u76f8\u30b7\u30d5\u30c8\u30ad\u30fc\u30a4\u30f3\u30b0\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u3055\u307e\u3056\u307e\u306a\u5206\u91ce\u3067\u5fdc\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u7121\u7dda\u901a\u4fe1<\/strong>PSK \u306f\u3001\u30b9\u30da\u30af\u30c8\u30eb\u52b9\u7387\u3068\u30ce\u30a4\u30ba\u306b\u5bfe\u3059\u308b\u5805\u7262\u6027\u306b\u3088\u308a\u3001Wi-Fi\u3001Bluetooth\u3001\u885b\u661f\u901a\u4fe1\u306a\u3069\u306e\u7121\u7dda\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30c7\u30b8\u30bf\u30eb\u653e\u9001<\/strong>PSK \u5909\u8abf\u306f\u3001\u30c6\u30ec\u30d3\u3084\u30e9\u30b8\u30aa\u306e\u4fe1\u53f7\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u30c7\u30b8\u30bf\u30eb\u653e\u9001\u30b7\u30b9\u30c6\u30e0\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30c7\u30fc\u30bf\u30b9\u30c8\u30ec\u30fc\u30b8<\/strong>PSK \u306f\u3001\u5149\u30b9\u30c8\u30ec\u30fc\u30b8\u3084\u78c1\u6c17\u8a18\u9332\u306a\u3069\u306e\u30c7\u30fc\u30bf \u30b9\u30c8\u30ec\u30fc\u30b8\u6280\u8853\u306b\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<p>PSK \u5909\u8abf\u306b\u306f\u5229\u70b9\u304c\u3042\u308b\u3082\u306e\u306e\u3001\u9ad8\u30ce\u30a4\u30ba\u74b0\u5883\u3084\u30de\u30eb\u30c1\u30d1\u30b9 \u30d5\u30a7\u30fc\u30b8\u30f3\u30b0\u6761\u4ef6\u3067\u306f\u8ab2\u984c\u306b\u76f4\u9762\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u554f\u984c\u306b\u5bfe\u3059\u308b\u89e3\u6c7a\u7b56\u3068\u3057\u3066\u306f\u3001\u6b21\u306e\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u30a8\u30e9\u30fc\u8a02\u6b63\u30b3\u30fc\u30c9<\/strong>: \u30ea\u30fc\u30c9\u30fb\u30bd\u30ed\u30e2\u30f3\u7b26\u53f7\u3084\u7573\u307f\u8fbc\u307f\u7b26\u53f7\u306a\u3069\u306e\u8aa4\u308a\u8a02\u6b63\u7b26\u53f7\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30a8\u30e9\u30fc\u8010\u6027\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u591a\u69d8\u6027\u306e\u30c6\u30af\u30cb\u30c3\u30af<\/strong>: \u7a7a\u9593\u30c0\u30a4\u30d0\u30fc\u30b7\u30c6\u30a3\u3084\u6642\u9593\u30c0\u30a4\u30d0\u30fc\u30b7\u30c6\u30a3\u306a\u3069\u306e\u30c0\u30a4\u30d0\u30fc\u30b7\u30c6\u30a3\u6280\u8853\u3092\u5b9f\u88c5\u3059\u308b\u3068\u3001\u30d5\u30a7\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u5f71\u97ff\u3092\u8efd\u6e1b\u3057\u3001\u5168\u4f53\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u4e3b\u306a\u7279\u5fb4\u3068\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/h2>\n<table>\n<thead>\n<tr>\n<th><strong>\u7279\u5fb4<\/strong><\/th>\n<th><strong>\u4f4d\u76f8\u30b7\u30d5\u30c8\u30ad\u30fc\u30a4\u30f3\u30b0\uff08PSK\uff09<\/strong><\/th>\n<th><strong>\u5468\u6ce2\u6570\u30b7\u30d5\u30c8\u30ad\u30fc\u30a4\u30f3\u30b0\uff08FSK\uff09<\/strong><\/th>\n<th><strong>\u632f\u5e45\u30b7\u30d5\u30c8\u30ad\u30fc\u30a4\u30f3\u30b0\uff08ASK\uff09<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u57fa\u672c\u7684\u306a\u539f\u5247<\/strong><\/td>\n<td>\u642c\u9001\u6ce2\u4f4d\u76f8\u306e\u5909\u8abf<\/td>\n<td>\u5909\u8abf\u642c\u9001\u5468\u6ce2\u6570<\/td>\n<td>\u642c\u9001\u6ce2\u632f\u5e45\u306e\u5909\u8abf<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30c7\u30fc\u30bf\u8868\u73fe<\/strong><\/td>\n<td>\u76f8\u8ee2\u79fb\u306f\u30c7\u30fc\u30bf\u3092\u8868\u3059<\/td>\n<td>\u5468\u6ce2\u6570\u30b7\u30d5\u30c8\u306f\u30c7\u30fc\u30bf\u3092\u8868\u3059<\/td>\n<td>\u632f\u5e45\u306e\u5909\u5316\u306f\u30c7\u30fc\u30bf\u3092\u8868\u3059<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5e2f\u57df\u5e45\u306e\u52b9\u7387<\/strong><\/td>\n<td>\u9ad8\u3044<\/td>\n<td>\u9069\u5ea6<\/td>\n<td>\u4f4e\u3044<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30ce\u30a4\u30ba\u306b\u5bfe\u3059\u308b\u5805\u7262\u6027<\/strong><\/td>\n<td>\u826f\u3044<\/td>\n<td>\u9069\u5ea6<\/td>\n<td>\u8ca7\u3057\u3044<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8907\u96d1<\/strong><\/td>\n<td>\u4f4e\u3044<\/td>\n<td>\u4f4e\u304b\u3089\u4e2d\u7a0b\u5ea6<\/td>\n<td>\u4f4e\u3044<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u4f8b<\/strong><\/td>\n<td>\u7121\u7dda\u901a\u4fe1\u3001\u30c7\u30b8\u30bf\u30eb\u653e\u9001<\/td>\n<td>RFID\u30b7\u30b9\u30c6\u30e0\u3001\u30ef\u30a4\u30e4\u30ec\u30b9\u30bb\u30f3\u30b5\u30fc<\/td>\n<td>\u7121\u7dda\u30c1\u30e3\u30cd\u30eb\u3092\u4ecb\u3057\u305f\u97f3\u58f0\u901a\u4fe1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u4f4d\u76f8\u30b7\u30d5\u30c8\u30ad\u30fc\u30a4\u30f3\u30b0\u306b\u95a2\u3059\u308b\u5c06\u6765\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>\u4f4d\u76f8\u30b7\u30d5\u30c8\u30ad\u30fc\u30a4\u30f3\u30b0\u306e\u5c06\u6765\u306f\u3001\u9ad8\u30ce\u30a4\u30ba\u74b0\u5883\u3067\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5411\u4e0a\u3068\u30de\u30eb\u30c1\u30d1\u30b9\u30d5\u30a7\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u8ab2\u984c\u306e\u514b\u670d\u306b\u3042\u308a\u307e\u3059\u3002\u7814\u7a76\u8005\u3084\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3001PSK \u901a\u4fe1\u3092\u5f37\u5316\u3059\u308b\u305f\u3081\u306b\u3001\u9ad8\u5ea6\u306a\u30a8\u30e9\u30fc\u8a02\u6b63\u6280\u8853\u3001\u9069\u5fdc\u5909\u8abf\u65b9\u5f0f\u3001\u30b9\u30de\u30fc\u30c8\u30a2\u30f3\u30c6\u30ca\u30b7\u30b9\u30c6\u30e0\u3092\u7d99\u7d9a\u7684\u306b\u7814\u7a76\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u6280\u8853\u304c\u9032\u6b69\u3059\u308b\u306b\u3064\u308c\u3066\u300164-PSK \u4ee5\u4e0a\u306e\u9ad8\u6b21 PSK \u65b9\u5f0f\u304c\u9ad8\u901f\u30c7\u30fc\u30bf\u4f1d\u9001\u30b7\u30ca\u30ea\u30aa\u3067\u3055\u3089\u306b\u5fdc\u7528\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u30b9\u30da\u30af\u30c8\u30eb\u52b9\u7387\u3068\u30c7\u30fc\u30bf \u30ec\u30fc\u30c8\u304c\u3055\u3089\u306b\u5411\u4e0a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u3092\u4f4d\u76f8\u30b7\u30d5\u30c8\u30ad\u30fc\u30a4\u30f3\u30b0\u3068\u3069\u306e\u3088\u3046\u306b\u4f7f\u7528\u307e\u305f\u306f\u95a2\u9023\u4ed8\u3051\u308b\u304b<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u4f4d\u76f8\u30b7\u30d5\u30c8 \u30ad\u30fc\u30a4\u30f3\u30b0\u3092\u5229\u7528\u3059\u308b\u30c7\u30fc\u30bf\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u30c7\u30fc\u30bf\u8981\u6c42\u3068\u5fdc\u7b54\u3092\u8ee2\u9001\u3057\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u6b21\u306e\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u5f37\u5316\u3059\u308b<\/strong>: \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u5916\u90e8\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u96a0\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u30c7\u30fc\u30bf\u8ee2\u9001\u4e2d\u306b\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u3055\u3089\u306b\u5f37\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5411\u4e0a<\/strong>: \u30d7\u30ed\u30ad\u30b7\u306f\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u60aa\u610f\u306e\u3042\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3001\u5185\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5916\u90e8\u306e\u8105\u5a01\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0<\/strong>: \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u8907\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u9593\u3067\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5206\u6563\u3057\u3001\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u6700\u9069\u5316\u3057\u3066\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5236\u9650\u3092\u56de\u907f\u3059\u308b<\/strong>: \u5834\u5408\u306b\u3088\u3063\u3066\u306f\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3057\u3066\u5730\u7406\u7684\u5236\u9650\u3084\u691c\u95b2\u3092\u56de\u907f\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u3055\u307e\u3056\u307e\u306a\u5730\u57df\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>\u4f4d\u76f8\u30b7\u30d5\u30c8\u30ad\u30fc\u30a4\u30f3\u30b0\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ol>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Phase-shift_keying\" target=\"_new\" rel=\"noopener nofollow\">Wikipedia \u2013 \u4f4d\u76f8\u30b7\u30d5\u30c8\u30ad\u30fc\u30a4\u30f3\u30b0<\/a><\/li>\n<li><a href=\"https:\/\/www.allaboutcircuits.com\/technical-articles\/phase-shift-keying-psk-modulation-robust-data-transmission-method\/\" target=\"_new\" rel=\"noopener nofollow\">\u56de\u8def\u306b\u3064\u3044\u3066\u3059\u3079\u3066 \u2013 \u4f4d\u76f8\u30b7\u30d5\u30c8\u30ad\u30fc\u30a4\u30f3\u30b0<\/a><\/li>\n<li><a href=\"https:\/\/www.rfwireless-world.com\/Terminology\/Types-of-PSK-modulation.html\" target=\"_new\" rel=\"noopener nofollow\">RF\u30ef\u30a4\u30e4\u30ec\u30b9\u30ef\u30fc\u30eb\u30c9 \u2013 PSK\u306e\u7a2e\u985e<\/a><\/li>\n<\/ol>\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001\u4f4d\u76f8\u30b7\u30d5\u30c8 \u30ad\u30fc\u30a4\u30f3\u30b0\u306f\u3001\u52b9\u7387\u7684\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30c7\u30fc\u30bf\u4f1d\u9001\u306e\u305f\u3081\u306b\u3055\u307e\u3056\u307e\u306a\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u3067\u4f7f\u7528\u3055\u308c\u308b\u91cd\u8981\u306a\u5909\u8abf\u6280\u8853\u3067\u3059\u3002\u642c\u9001\u4fe1\u53f7\u306e\u4f4d\u76f8\u5909\u5316\u3092\u901a\u3058\u3066\u30c7\u30b8\u30bf\u30eb \u30c7\u30fc\u30bf\u3092\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u30ef\u30a4\u30e4\u30ec\u30b9\u3068\u6709\u7dda\u306e\u4e21\u65b9\u306e\u901a\u4fe1\u30b7\u30ca\u30ea\u30aa\u3067\u5f79\u7acb\u3061\u307e\u3059\u3002\u7d99\u7d9a\u7684\u306a\u7814\u7a76\u3068\u6280\u8853\u306e\u9032\u6b69\u306b\u3088\u308a\u3001PSK \u306e\u5c06\u6765\u306f\u6709\u671b\u306b\u898b\u3048\u3001\u3055\u3089\u306b\u9ad8\u3044\u30c7\u30fc\u30bf \u30ec\u30fc\u30c8\u3068\u6539\u5584\u3055\u308c\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u63d0\u4f9b\u3055\u308c\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3059\u308b\u3068\u3001PSK \u901a\u4fe1\u306f\u5f37\u5316\u3055\u308c\u305f\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u304a\u3088\u3073\u8ca0\u8377\u5206\u6563\u306e\u30e1\u30ea\u30c3\u30c8\u3092\u4eab\u53d7\u3067\u304d\u3001\u73fe\u4ee3\u306e\u30c7\u30fc\u30bf\u901a\u4fe1\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308b\u5f37\u529b\u306a\u7d44\u307f\u5408\u308f\u305b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>","protected":false},"featured_media":478422,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478421","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Phase-shift keying: A Comprehensive Guide<\/mark>","faq_items":[{"question":"What is Phase-shift keying (PSK) modulation?","answer":"<p>Phase-shift keying (PSK) is a digital modulation technique used in telecommunications and data communication systems to transmit digital data over analog communication channels. It involves varying the phase of the carrier signal to represent the digital information.<\/p>"},{"question":"How did Phase-shift keying originate?","answer":"<p>The concept of using different phases of the carrier signal to represent information was first mentioned by Ralph Hartley in his 1928 paper titled \"Transmission of Information.\"<\/p>"},{"question":"How does Phase-shift keying work?","answer":"<p>PSK encodes digital data onto an analog carrier wave by changing the phase of the carrier signal according to the modulated data. The phase transitions between specific angles represent the binary information being transmitted.<\/p>"},{"question":"What are the advantages of Phase-shift keying?","answer":"<ul><li>Bandwidth Efficiency: PSK is more bandwidth-efficient than amplitude modulation techniques.<\/li><li>Robustness to Noise: PSK is relatively robust against noise and interference.<\/li><li>Spectral Efficiency: With higher-order PSK schemes, multiple bits can be transmitted per symbol, increasing data rate without increasing bandwidth.<\/li><li>Simple Demodulation: The demodulation process in PSK is straightforward.<\/li><\/ul>"},{"question":"What are the types of Phase-shift keying?","answer":"<p>The common PSK types include Binary Phase-shift Keying (BPSK), Quadrature Phase-shift Keying (QPSK), 8-PSK, and 16-PSK.<\/p>"},{"question":"Where is Phase-shift keying used?","answer":"<p>PSK finds applications in wireless communication (Wi-Fi, Bluetooth), digital broadcasting, and data storage technologies.<\/p>"},{"question":"What challenges does Phase-shift keying face?","answer":"<p>PSK modulation faces challenges in high-noise environments and multipath fading conditions, which can lead to transmission errors.<\/p>"},{"question":"How can proxy servers enhance Phase-shift keying communication?","answer":"<p>Proxy servers can enhance PSK communication by providing additional privacy, security, and load balancing features for data transmission.<\/p>"},{"question":"What is the future of Phase-shift keying?","answer":"<p>The future of PSK lies in improving its performance in noisy environments and overcoming fading challenges. Researchers are exploring advanced error correction techniques and adaptive modulation schemes for enhanced communication.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/478421","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/478421\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/478422"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=478421"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}