{"id":1,"date":"2025-10-06T19:26:01","date_gmt":"2025-10-06T11:26:01","guid":{"rendered":"http:\/\/www.ieepv.com\/?p=1"},"modified":"2025-10-06T21:44:28","modified_gmt":"2025-10-06T13:44:28","slug":"datecommunication","status":"publish","type":"post","link":"http:\/\/www.sixvan.cn\/index.php\/2025\/10\/06\/datecommunication\/","title":{"rendered":"\u901a\u4fe1\u901f\u5ea6\u7684\u9ad8\u901f\u5316\u2015\u6570\u5b57\u901a\u4fe1\u7684\u57fa\u7840"},"content":{"rendered":"\n<p>1. QPSK\u8c03\u5236\u2015\u591a\u8fdb\u5236\u6570\u5b57\u8c03\u5236\u7684\u57fa\u7840<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u57fa\u4e8e\u201c\u6570\u5b57\u8c03\u5236\u2015\u6570\u5b57\u901a\u4fe1\u7684\u57fa\u7840\u201d\u4e2d\u7684PSK\u601d\u8def\uff0c\u5c06\u5177\u67090\u00b0\u548c180\u00b0\u4e24\u4e2a\u76f8\u4f4d\u53d8\u5316\u72b6\u6001\u2014\u2014BPSK<sup>*1<\/sup>\u7684\u8c03\u5236\u6ce2\u4e0e\u591a\u8fdb\u5236\u5316\u4e3a\u5177\u670945\u00b0\/135\u00b0\/225\u00b0\/315\u00b0\u56db\u4e2a\u76f8\u4f4d\u53d8\u5316\u72b6\u6001\u2014\u2014QPSK<sup>*2<\/sup>\u7684\u8c03\u5236\u6ce2\u8fdb\u884c\u6bd4\u8f83\uff0cQPSK\u8c03\u5236\u6ce2\u4e00\u6b21\u53ef\u4ee5\u53d1\u90012bit\u6570\u636e\uff0c\u5373\u201c00\u201d\u3001\u201c01\u201d\u3001\u201c10\u201d\u548c\u201c11\u201d\uff08\u56fe1\uff09\u3002\u5047\u8bbeBPSK\u548cQPSK\u7684\u7b26\u53f7\u957f\u5ea6<sup>*3<\/sup>\u5f7c\u6b64\u76f8\u540c\uff0c\u53ef\u4ee5\u770b\u51fa\uff0c\u901a\u8fc7\u591a\u8fdb\u5236\u5316\u53ef\u4ee5\u63d0\u9ad8\u901a\u4fe1\u901f\u5ea6\u3002<\/p>\n\n\n\n<p>*1 BPSK\uff1aBinary Phase Shift Keying\u7684\u7f29\u5199<\/p>\n\n\n\n<p>*2 QPSK\uff1aQuadrature Phase Shift Keying\u7684\u7f29\u5199<\/p>\n\n\n\n<p>*3 \u57282\u8fdb\u5236\u6570\u5b57\u8c03\u5236ASK\u3001PSK\u3001FSK\u4e2d\uff0c1\u4e2a\u7b26\u53f7\u4ee3\u88681bit\uff0c\u6b64\u65f6\u7684\u7b26\u53f7\u957f\u5ea6\u901a\u5e38\u79f0\u4e3a\u4f4d\u957f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/article.murata.com\/sites\/default\/files\/static\/zh-cn\/images\/article\/basics-of-digital-communication\/fig-digitalcommunication3-1-cn.jpg\" alt=\"QPSK\u8c03\u5236\u6ce2\u7684\u793a\u610f\u56fe\"\/><figcaption class=\"wp-element-caption\">\u56fe1 QPSK\u8c03\u5236\u6ce2\u7684\u793a\u610f\u56fe<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"section-70862\">2. QAM\u2015\u4ee3\u8868\u6027\u7684\u591a\u8fdb\u5236\u6570\u5b57\u8c03\u5236<\/h2>\n\n\n\n<p>\u4e0a\u4e00\u9879\u4e2d\u4ecb\u7ecd\u7684QPSK\u8c03\u5236\u6ce2\u53ea\u6709\u76f8\u4f4d\u53d1\u751f\u53d8\u5316\uff0c\u5982\u679c\u52a0\u4e0a\u632f\u5e45\u7684\u9ad8\u4f4e\u53d8\u5316\uff0c\u5f62\u62108\u79cd\u72b6\u6001\u7684\u8c03\u5236\u6ce2\uff0c\u5c31\u53ef\u4ee5\u4e00\u6b21\u53d1\u9001\u201c000\u201d\u3001\u201c001\u201d\u3001\u201c010\u201d\u3001\u201c011\u201d\u3001\u201c100\u201d\u3001\u201c101\u201d\u3001\u201c110\u201d\u3001\u201c111\u201d\u8fd93bit\u7684\u6570\u636e\uff08\u56fe2\uff09\u3002\u8fd9\u5c06\u5b9e\u73b0\u6bd4\u56fe1\u4e2d\u7684QPSK\u8c03\u5236\u66f4\u5feb\u7684\u901f\u5ea6\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/article.murata.com\/sites\/default\/files\/static\/zh-cn\/images\/article\/basics-of-digital-communication\/fig-digitalcommunication3-2-cn.jpg\" alt=\"8QAM\u8c03\u5236\u6ce2\u7684\u793a\u610f\u56fe\"\/><figcaption class=\"wp-element-caption\">\u56fe2 8QAM\u8c03\u5236\u6ce2\u7684\u793a\u610f\u56fe<\/figcaption><\/figure>\n\n\n\n<p>\uff3b\u8865\u5145\uff3d<br>\u56fe3\u663e\u793a\u4e86\u751f\u6210QPSK\u8c03\u5236\u6ce2\u7684\u8c03\u5236\u5668\u6784\u6210\u793a\u4f8b\uff0c\u8c03\u5236\u6ce2\u6309\u7167\uff081\uff09\u81f3\uff083\uff09\u7684\u987a\u5e8f\u751f\u6210\u3002\u591a\u8fdb\u5236\u6570\u5b57\u8c03\u5236\u9700\u8981\u5bf9\u4fe1\u53f7\u8fdb\u884c\u4e32\u884c\/\u5e76\u884c\u8f6c\u6362\u3002<\/p>\n\n\n\n<p>\uff081\uff09\u901a\u8fc7\u5c062\u8fdb\u5236\u57fa\u5e26\u4fe1\u53f7\uff08\u6b63\u5728\u79fb\u52a8\u7684\u539f\u59cb\u6570\u636e\uff09\u7684\u4f4d\u5e8f\u5217\u8fdb\u884c\u4e32\u884c\/\u5e76\u884c\u8f6c\u6362\uff0c\u5c06\u5176\u5206\u79bb\u62101bit\u4ea4\u66ff\u5e8f\u5217<\/p>\n\n\n\n<p>\uff082\uff09\u5c06\u76f8\u4f4d\u5dee\u4e3a90\u00b0\u7684\u8f7d\u6ce2\u4e0e\u4ea4\u66ff\u5e8f\u5217\u5206\u522b\u76f8\u4e58\uff0c\u4ea7\u751f\u8c03\u5236\u6ce2<\/p>\n\n\n\n<p>\uff083\uff09\u5c06\u8fd9\u4e24\u4e2a\u8c03\u5236\u6ce2\u8fdb\u884c\u5408\u6210<\/p>\n\n\n\n<p>\u53e6\u5916\uff0c\u5c3d\u7ba1QPSK\u662f\u4e00\u79cd\u632f\u5e45\u6052\u5b9a\u7684\u8c03\u5236\u65b9\u5f0f\uff0c\u4f46\u6709\u65f6\u4e5f\u88ab\u79f0\u4e3a4QAM\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/article.murata.com\/sites\/default\/files\/static\/zh-cn\/images\/article\/basics-of-digital-communication\/fig-digitalcommunication3-3-cn.jpg\" alt=\"\u4ece2\u8fdb\u5236\u57fa\u5e26\u4fe1\u53f7\u751f\u62104\u8fdb\u5236QPSK\uff084QAM\uff09\u8c03\u5236\u6ce2\u7684\u8c03\u5236\u5668\u6784\u6210\u793a\u4f8b\"\/><figcaption class=\"wp-element-caption\">\u56fe3 \u4ece2\u8fdb\u5236\u57fa\u5e26\u4fe1\u53f7\u751f\u62104\u8fdb\u5236QPSK\uff084QAM\uff09\u8c03\u5236\u6ce2\u7684\u8c03\u5236\u5668\u6784\u6210\u793a\u4f8b<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"section-70867\">3. \u91c7\u7528QAM\u7684\u901a\u4fe1\u8bbe\u5907<\/h2>\n\n\n\n<p>\u56fe3\u76844QAM\u75281\u4e2a\u7b26\u53f7\u8868\u793a2bit\uff084\u8fdb\u5236\uff09\u3002\u800c\u4e14\uff0c\u5b83\u662f\u4e00\u79cd\u53ef\u4ee5\u5177\u6709\u66f4\u591a\u8fdb\u5236\u7684\u8c03\u5236\u65b9\u5f0f\uff0c\u4f8b\u59823bit\uff088\u8fdb\u5236\uff09\u76848QAM\u548c4bit\uff0816\u8fdb\u5236\uff09\u768416QAM\u3002\u591a\u8fdb\u5236QAM\u5df2\u7ecf\u6295\u5165\u5b9e\u9645\u4f7f\u7528\uff0cWi-Fi 6\/6E\uff08IEEE 802.11ax\uff09\u91c7\u75281024QAM\uff0cWi-Fi 7\uff08IEEE802.11be\uff09\u91c7\u75284096QAM\uff08\u56fe4\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/article.murata.com\/sites\/default\/files\/static\/zh-cn\/images\/article\/basics-of-digital-communication\/fig-digitalcommunication3-4-cn.jpg\" alt=\"1\u4e2a\u7b26\u53f7\u7684\u6570\u636e\u957f\u5ea6\u4e0e\u591a\u8fdb\u5236QAM\u4e4b\u95f4\u7684\u5173\u7cfb\u56fe\u7247\"\/><figcaption class=\"wp-element-caption\">\u56fe4 1\u4e2a\u7b26\u53f7\u7684\u6570\u636e\u957f\u5ea6\u4e0e\u591a\u8fdb\u5236QAM\u4e4b\u95f4\u7684\u5173\u7cfb<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"section-70870\">\uff1c\u4e13\u680f\uff1e\u4ec0\u4e48\u662f\u8c03\u5236\u901f\u5ea6\uff1f<\/h2>\n\n\n\n<p>\u5728\u201c<a href=\"https:\/\/article.murata.com\/zh-cn\/article\/basics-of-digital-communication-2\" target=\"_blank\" rel=\"noreferrer noopener\">\u6570\u5b57\u8c03\u5236\u2015\u6570\u5b57\u901a\u4fe1\u7684\u57fa\u7840<\/a>\u201d\u4e2d\uff0c\u5df2\u7ecf\u8bf4\u660e\u4e86\u6709\u4e00\u79cd\u6570\u636e\u901f\u5ea6\u53eb\u505a\u8c03\u5236\u901f\u5ea6<sup>*4<\/sup>\uff08\u88681\uff09\u3002\u5728\u6b64\u5bf9\u8c03\u5236\u901f\u5ea6\u8fdb\u884c\u76f8\u5173\u8bf4\u660e\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th colspan=\"2\">\u6570\u636e\u901f\u5ea6<\/th><th>\u5355\u4f4d<\/th><\/tr><\/thead><tbody><tr><td rowspan=\"3\">\u901a\u4fe1\u901f\u5ea6<br>\uff08\u4f20\u8f93\u901f\u5ea6\uff09<\/td><td>\u4fe1\u53f7\u901f\u5ea6<\/td><td>bps\uff08\u4e5f\u79f0\u4e3abit\/s\u3001b\/s\uff09<\/td><\/tr><tr><td>\u4f20\u8f93\u901f\u5ea6<\/td><td>B\/s\uff08\u4e5f\u79f0\u4e3abyte\/s\u3001Byte\/s\uff09\u3001bps\uff08\u4e5f\u79f0\u4e3abit\/s\u3001b\/s\uff09<\/td><\/tr><tr><td>\u8c03\u5236\u901f\u5ea6<\/td><td>baud\uff08\u79f0\u4e3a\u201c\u6ce2\u7279\u201d\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>*4 \u6709\u65f6\u4e5f\u79f0\u4e3a\u7b26\u53f7\u901f\u7387\u3002<\/p>\n\n\n\n<p>\u8c03\u5236\u901f\u5ea6\u662f\u56fe1\u548c\u56fe2\u4e2d\u6240\u793a\u76841\u79d2\u949f\u65f6\u95f4\u91cc\u53d1\u9001\u7684\u7b26\u53f7\u6570\u91cf\uff0c\u56e0\u6b64\u53ef\u7528\u201c1\/\u7b26\u53f7\u957f\u5ea6\u201d\u8ba1\u7b97\u3002\u8c03\u5236\u901f\u5ea6\u53ef\u4ee5\u8bf4\u662f\u5728\u591a\u8fdb\u5236\u6570\u5b57\u8c03\u5236\u4e2d\u4f7f\u7528\u7684\u6570\u636e\u901f\u5ea6\u3002<br>\uff08\u91cd\u590d\u4e00\u904d\uff0c\u5728\u591a\u8fdb\u5236\u6570\u5b57\u8c03\u5236\u4e2d\uff0c\u4e00\u4e2a\u7b26\u53f7\u4ee3\u8868\u591a\u4e2a\u4f4d\uff0c\u5982\u56fe4\u6240\u793a\u2014\u2014\u5728QPSK\u4e2d\u4e3a2bit\uff0c\u572864QAM\u4e2d\u4e3a6bit\uff0c\u7b49\u7b49\u3002\uff09<\/p>\n\n\n\n<p>\u987a\u4fbf\u8bf4\u4e00\u4e0b\uff0c\u5355\u4f4d\u4e3abaud\u7684\u8c03\u5236\u901f\u5ea6\u4e0e\u5355\u4f4d\u4e3abps\u7684\u4fe1\u53f7\u901f\u5ea6\u4e4b\u95f4\u6709\u5982\u4e0b\u5173\u7cfb\u3002<\/p>\n\n\n\n<p><strong>\u4fe1\u53f7\u901f\u5ea6\uff1d\u8c03\u5236\u901f\u5ea6\u00d7\u8c03\u5236\u53ef\u8868\u8fbe\u7684\u72b6\u6001\u6570<\/strong><\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c64QAM\uff08\u8c03\u5236\u53ef\u8868\u8fbe\u7684\u72b6\u6001\u6570\u4e3a6bit\uff09\u7684\u8c03\u5236\u901f\u5ea6\u4e3a1200baud\u65f6\uff0c\u4fe1\u53f7\u901f\u5ea6\u5982\u4e0b\u3002<\/p>\n\n\n\n<p><strong>\u4fe1\u53f7\u901f\u5ea6\uff1d1200baud\u00d76bit\uff1d7200bps<\/strong><\/p>\n\n\n\n<p>\u53e6\u5916\uff0c\u66f4\u5feb\u7684\u8c03\u5236\u901f\u5ea6\u5141\u8bb8\u4f20\u8f93\u66f4\u591a\u7684\u6570\u636e\uff0c\u4f46\u4e5f\u53ef\u80fd\u66f4\u5bb9\u6613\u53d7\u5230\u6765\u81ea\u5916\u90e8\u73af\u5883\u7684\u7535\u78c1\u566a\u58f0\u7684\u5f71\u54cd\uff08\u53d1\u9001\u6570\u636e\u4e2d\u7684\u9519\u8bef\u589e\u52a0\uff09\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"section-70875\">\uff1c\u4e13\u680f\uff1e\u4ec0\u4e48\u662f\u8f7d\u6ce2\uff1f\u2015\u5728\u6a21\u62df\u8c03\u5236\uff08AM\/FM\uff09\u4e2d\u7684\u4f7f\u7528\u65b9\u6cd5<\/h2>\n\n\n\n<p>\u5728\u672c\u6587\u4e2d\u5bf9\u6570\u5b57\u8c03\u5236\u8fdb\u884c\u89e3\u8bf4\u65f6\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u672f\u8bed\u201c\u8f7d\u6ce2\u201d\u3002\u73b0\u5728\u8ba9\u6211\u4eec\u4ee5\u8f7d\u6ce2\u4e3a\u4e2d\u5fc3\u770b\u770b\u8c03\u5236\u7684\u5de5\u4f5c\u539f\u7406\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u5b9a\u4e49\u8f7d\u6ce2\uff0c\u5219\u5982\u4e0b\u6240\u793a\uff1a<br>\u201c\u5728\u7535\u6c14\u901a\u4fe1\u4e2d\uff0c\u65e0\u8bba\u662f\u65e0\u7ebf\u8fd8\u662f\u6709\u7ebf\uff0c\u90fd\u662f\u6307\u8d77\u5230\u5c06\u58f0\u97f3\u7684\u6a21\u62df\u6570\u636e\u548c\u6587\u672c\u3001\u58f0\u97f3\u3001\u56fe\u50cf\u7684\u6570\u5b57\u6570\u636e\u8fdb\u884c\u8fdc\u8ddd\u79bb\u4f20\u8f93\u7684\u4f5c\u7528\u7684\u8fde\u7eed\u6ce2\uff08\u6b63\u5f26\u6ce2\uff09\u6216\u8109\u51b2\u6ce2\u7b49\u201d\uff08\u6b64\u5904\u5c06\u8fde\u7eed\u6ce2\u89c6\u4e3a\u8f7d\u6ce2<sup>*5<\/sup>\u3002\uff09<\/p>\n\n\n\n<p>\u5982\u679c\u5c1d\u8bd5\u5728\u51e0\u516c\u91cc\u8fdc\u5904\u53d1\u9001\u6570\u636e\uff0c\u7531\u4e8e\u6570\u636e\u79fb\u52a8\u2014\u2014\u57fa\u5e26\u4fe1\u53f7\u672c\u8eab\u7684\u901a\u4fe1\u8ddd\u79bb\u5f88\u77ed\uff0c\u65e0\u6cd5\u5230\u8fbe\u76ee\u7684\u5730\u3002\u56e0\u6b64\u8981\u8fdb\u884c\u8ba9\u53d1\u9001\u5668\u80fd\u5c06\u6570\u636e\u4f20\u8f93\u5230\u76ee\u7684\u5730\u7684\u64cd\u4f5c\u2014\u2014\u8c03\u5236\u3002\u8fd9\u91cc\u6240\u8bf4\u7684\u8c03\u5236\u9700\u8981\u8fdb\u884c\u5c06\u57fa\u5e26\u4fe1\u53f7\u52a0\u8f7d\u5230\u6bd4\u6570\u636e\u7684\u9891\u7387\u6210\u5206\u66f4\u9ad8\u7684\u5355\u4e00\u9891\u7387\u8fde\u7eed\u6ce2\u2014\u2014\u8f7d\u6ce2\u7684\u5904\u7406\uff08\u6b63\u5f0f\u7684\u8bf4\u6cd5\u4e3a\u901a\u8fc7\u57fa\u5e26\u4fe1\u53f7\u5bf9\u8f7d\u6ce2\u8fdb\u884c\u8c03\u5236\u5e76\u751f\u6210\u8c03\u5236\u6ce2\uff09\u3002\u8be5\u8c03\u5236\u6ce2\u4f5c\u4e3a\u7535\u6ce2\u4ece\u5929\u7ebf\u53d1\u9001\u51fa\u53bb\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8fdc\u7a0b\u4f20\u8f93\uff08\u56fe5\uff09\u3002<\/p>\n\n\n\n<p>*5 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Modulation\u201d\u7684\u7f29\u5199\u3002\u5b83\u662f\u4e00\u79cd\u6839\u636e\u8981\u53d1\u9001\u7684\u58f0\u97f3\u4fe1\u53f7\u6ce2\u7684\u632f\u5e45\u6765\u6539\u53d8\u8f7d\u6ce2\u632f\u5e45\u7684\u8c03\u5236\u65b9\u5f0f\uff08\u56fe6a\uff09\u3002\u4ece\u56fe6a\u53ef\u4ee5\u770b\u51fa\uff0cAM\u8c03\u5236\u6ce2\u7684\u8f7d\u6ce2\u632f\u5e45\u6839\u636e\u4fe1\u53f7\u6ce2\u7684\u632f\u5e45\u800c\u53d8\u5316\u3002<br>\u6b64\u5916\uff0c\u9664\u4e86\u65f6\u95f4\u8f74\u7279\u6027\u4e4b\u5916\uff0c\u5728\u9891\u7387\u8f74\u4e0a\u89c2\u5bdfAM\u7684\u9891\u7387\u6210\u5206\uff08\u9891\u8c31\uff09\u65f6\uff08\u56fe6b\uff09\uff0c\u6211\u4eec\u4f1a\u53d1\u73b0\u5b83\u5177\u6709\u4ee5\u4e0b\u7279\u5f81\uff1a\u5982\u679c\u8f7d\u6ce2\u9891\u7387\u4e3afc\uff0c\u4fe1\u53f7\u6ce2\u7684\u5355\u4e00\u9891\u7387\u4e3afs\uff0c\u5219\u5176\u7279\u5f81\u662f\u4f1a\u51fa\u73b0\u9891\u8c31fc+fs\u548cfc\u2212fs\u3002<br>\u7531\u4e8e\u8fd9\u4e9b\u7279\u5f81\uff0c\u5b83\u5bb9\u6613\u53d7\u5230\u73af\u5883\u566a\u58f0\u7279\u522b\u662f\u7535\u78c1\u566a\u58f0\u7684\u5e72\u6270\uff0c\u7535\u6ce2\u591a\u91cd\u53cd\u5c04\u4e5f\u5bb9\u6613\u5f15\u8d77\u632f\u5e45\u53d8\u5316\uff0c\u867d\u7136\u58f0\u97f3\u9891\u5e26\u8f83\u7a84\u6709\u5229\u4e8e\u591a\u8def\u590d\u7528\uff0c\u4f46\u53ef\u4ee5\u8bf4\u5b83\u662f\u4e00\u79cd\u901a\u4fe1\u8d28\u91cf\u964d\u4f4e\u7684\u53ef\u80fd\u6027\u8f83\u5927\u7684\u8c03\u5236\u65b9\u5f0f\u3002<\/p>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0cFM\u6307\u7684\u662f\u9891\u7387\u8c03\u5236\uff0c\u662f\u201cFrequency 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class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/article.murata.com\/sites\/default\/files\/static\/zh-cn\/images\/article\/basics-of-digital-communication\/fig-digitalcommunication3-6a-cn.jpg\" alt=\"\u632f\u5e45\u8c03\u5236\u6ce2\u7684\u751f\u6210\u793a\u610f\u56fe\"\/><figcaption class=\"wp-element-caption\">\u56fe6a \u632f\u5e45\u8c03\u5236\u6ce2\u7684\u751f\u6210\u793a\u610f\u56fe<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/article.murata.com\/sites\/default\/files\/static\/zh-cn\/images\/article\/basics-of-digital-communication\/fig-digitalcommunication3-6b-cn.jpg\" alt=\"\u632f\u5e45\u8c03\u5236\u6ce2\u7684\u9891\u8c31\u793a\u610f\u56fe\"\/><figcaption class=\"wp-element-caption\">\u56fe6b \u632f\u5e45\u8c03\u5236\u6ce2\u7684\u9891\u8c31\u793a\u610f\u56fe<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/article.murata.com\/sites\/default\/files\/static\/zh-cn\/images\/article\/basics-of-digital-communication\/fig-digitalcommunication3-7a-cn.jpg\" alt=\"\u9891\u7387\u8c03\u5236\u6ce2\u7684\u751f\u6210\u793a\u610f\u56fe\"\/><figcaption class=\"wp-element-caption\">\u56fe7a \u9891\u7387\u8c03\u5236\u6ce2\u7684\u751f\u6210\u793a\u610f\u56fe<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/article.murata.com\/sites\/default\/files\/static\/zh-cn\/images\/article\/basics-of-digital-communication\/fig-digitalcommunication3-7b-cn.jpg\" alt=\"\u9891\u7387\u8c03\u5236\u6ce2\u7684\u9891\u8c31\u793a\u610f\u56fe\"\/><figcaption class=\"wp-element-caption\">\u56fe7b \u9891\u7387\u8c03\u5236\u6ce2\u7684\u9891\u8c31\u793a\u610f\u56fe<\/figcaption><\/figure>\n\n\n\n<p>*6 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