{"id":4717,"date":"2021-10-21T19:13:17","date_gmt":"2021-10-21T11:13:17","guid":{"rendered":"http:\/\/www.szryc.com\/?p=4717"},"modified":"2022-01-18T05:10:40","modified_gmt":"2022-01-17T21:10:40","slug":"iq%e6%ad%a3%e4%ba%a4%e8%b0%83%e5%88%b6%e5%99%a8%e4%bb%8b%e7%bb%8d%e5%92%8c%e6%b5%8b%e8%af%95","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=4717","title":{"rendered":"IQ\u6b63\u4ea4\u8c03\u5236\u5668\u4ecb\u7ecd\u548c\u6d4b\u8bd5"},"content":{"rendered":"

1. \u6982\u8ff0<\/strong><\/p>\n

\u8fd1\u51e0\u5e74\u6765\uff0c\u79fb\u52a8\u901a\u4fe1\u5728\u6211\u56fd\u5f97\u5230\u4e86\u8fc5\u901f\u7684\u53d1\u5c55\u548c\u666e\u53ca\uff0c\u65e0\u7ebf\u901a\u4fe1<\/u>\u7684\u53d1\u5c04\u673a\u4e0e\u63a5\u6536\u673a\u6280\u672f\u4e5f\u5f97\u5230\u8fc5\u731b\u53d1\u5c55\u3002\u5c04\u9891<\/u>\u53d1\u5c04\u673a\u7684\u4e3b\u8981\u529f\u80fd\u662f\u5b9e\u73b0\u57fa\u5e26\u4fe1\u53f7\u8c03\u5236\u3001\u4e0a\u53d8\u9891\u548c\u529f\u7387\u653e\u5927\u3002\u4e0e\u63a5\u6536\u673a\u7684\u7ed3\u6784\u76f8\u6bd4\uff0c\u53d1\u5c04\u673a\u7684\u7ed3\u6784\u76f8\u5bf9\u6bd4\u8f83\u7b80\u5355\u3002\u901a\u5e38\u6709\uff1a<\/p>\n

\u00b7\u00a0<\/strong>\u76f4\u63a5\u4e0a\u53d8\u9891\uff08\u53c8\u79f0\uff1a\u96f6\u4e2d\u9891\u8c03\u5236\uff09<\/p>\n

\u00b7\u00a0<\/strong>\u95f4\u63a5\u4e0a\u53d8\u9891\uff08\u53c8\u79f0\uff1a\u4e24\u7ea7\u53d8\u9891\u6216\u8d85\u5916\u5dee\u5f0f\uff09<\/p>\n

\u00b7\u00a0<\/strong>\u6570\u5b57\u4e2d\u9891\u53d1\u5c04\u673a<\/p>\n

\u6807\u51c6\u7684IQ\u6b63\u4ea4\u8c03\u5236\u7535\u8def<\/u>\u7684\u7ed3\u6784\u975e\u5e38\u7b80\u5355\uff0c\u5b83\u5206\u4e3aIQ \u57fa\u5e26\u53d1\u751f\u5668\u548cIQ \u6df7\u9891\u5668\u4e24\u5927\u90e8\u5206\u3002\u4e0d\u7ba1\u662f\u8c03\u5e45\uff0c\u8c03\u9891\u6216\u662f\u8c03\u76f8\u4fe1\u53f7\uff0c\u53ea\u9700\u8981\u901a\u8fc7\u6539\u53d8\u4e0d\u540c\u7684IQ \u57fa\u5e26\u4fe1\u53f7\u5c31\u53ef\u4ee5\u5b9e\u73b0\u3002\u800cIQ \u8c03\u5236\u5668\u7684\u4f5c\u7528\u662f\u5c06\u57fa\u5e26IQ \u4fe1\u53f7\u642c\u79fb\u5230\u8f7d\u6ce2\u4e0a\u3002\u6b63\u4ea4\u8c03\u5236\u5668\u901a\u5e38\u80fd\u5b9e\u73b0\u8f83\u9ad8\u7684\u76f8\u4f4d\u7cbe\u5ea6\u4e0e\u5e45\u5ea6\u5e73\u8861\uff0c\u975e\u5e38\u9002\u5408\u4e8e\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u76f4\u63a5\u4e0a\u53d8\u9891\uff08\u96f6\u4e2d\u9891\u8c03\u5236\uff09\uff0c\u56e0\u6b64\u5e7f\u6cdb\u7528\u4e8e\u76f4\u63a5\u4e0a\u53d8\u9891\u53d1\u5c04\u673a\uff0c\u4f8b\u5982\u8702\u7a9d\u79fb\u52a8\u901a\u4fe1\u3001WLAN\u3001UWB\u8d85\u901a\u4fe1\u7cfb\u7edf\u3001\u84dd\u7259<\/u>\u3001GPS<\/u>\u00a0\u7b49\u7cfb\u7edf\u4e2d\uff0c\u662f\u73b0\u4ee3\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u5173\u952e\u5143\u4ef6\u3002<\/p>\n

\u4e0b\u56fe1\u6240\u793a\u662f\u6b63\u4ea4\u8c03\u5236\u5668\u7684\u6846\u56fe\uff0c\u5982\u679c\u7528\u4e8e\u76f4\u63a5\u4e0a\u53d8\u9891\u53d1\u5c04\u673a\uff0c\u7701\u53bb\u4e86\u7b2c\u4e8c\u672c\u632f\uff0c\u4e2d\u9891\u6ee4\u6ce2\u5668<\/u>\u548c\u6df7\u9891\u5668\uff0c\u4f7f\u53d1\u5c04\u673a\u7cfb\u7edf\u7ed3\u6784\u7b80\u5316\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u6210\u672c\u3001\u4f53\u79ef\u548c\u529f\u8017\u3002<\/p>\n

\"poYBAGFqUkKAUzr0AABVsaKY5-U219-411\"<\/div>\n

\u56fe1. \u6b63\u4ea4\u8c03\u5236\u5668\u539f\u7406\u6846\u56fe<\/p>\n

\u6b63\u4ea4\u8c03\u5236\u5668\u7684\u56fa\u6709\u7f3a\u70b9\u5728\u4e8e\u672c\u632f\u6cc4\u6f0f\u548c\u8fb9\u5e26\u6291\u5236\uff08\u672c\u632f\u6cc4\u6f0f\u4e3b\u8981\u662f\u7531IQ\u4fe1\u53f7\u7684\u76f4\u6d41\u504f\u7f6e,IQ\u5dee\u5206\u4fe1\u53f7\u7684\u4e0d\u5e73\u8861\u6027\u4ee5\u53ca\u672c\u632f\u548c\u5c04\u9891\u7684\u9694\u79bb\u6307\u6807\u5dee\u7b49\u56e0\u7d20\u9020\u6210\u7684\uff09\u3002\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u6b63\u4ea4\u8c03\u5236\u5668\u53ea\u662f\u5b8c\u6210\u57fa\u5e26\u9891\u8c31\u7684\u642c\u79fb\u548c\u53e0\u52a0\uff0c\u4e0d\u4f1a\u9020\u6210\u4fe1\u53f7\u7684\u5e26\u5916\u9891\u8c31\u589e\u751f\u6216\u662f\u4ea7\u751f\u5e26\u5185\u5931\u771f\u3002\u6b63\u4ea4\u8c03\u5236\u5668\u4f1a\u4e0d\u53ef\u907f\u514d\u7684\u5b58\u5728\u975e\u7406\u60f3\u56e0\u7d20\uff0c\u4f7f\u5f97\u8f93\u51fa\u4fe1\u53f7\u4ea7\u751f\u5404\u79cd\u5931\u771f\uff0c\u5f71\u54cd\u901a\u4fe1\u8d28\u91cf\uff0c\u6240\u4ee5\u6b63\u4ea4\u8c03\u5236\u5668\u7684\u5c04\u9891\u6027\u80fd\u9700\u8981\u8fdb\u884c\u5168\u65b9\u9762\u7684\u6d4b\u8bd5<\/u>\u3002<\/p>\n

\u6d4b\u8bd5IQ\u8c03\u5236\u5668\u7684\u955c\u50cf\u6291\u5236\u4e00\u822c\u91c7\u7528\u5355\u8fb9\u5e26CW\u4fe1\u53f7\uff0c\u8f93\u5165\u7684I\u4fe1\u53f7\uff1asin\u03c90t\uff0cQ\u4fe1\u53f7\uff1acos\u2061\u03c90t\u4e0e\u6b63\u4ea4\u672c\u632f\u6df7\u9891\u4ee5\u540e\u53ef\u5f97\u8c03\u5236\u4fe1\u53f7s(t)\uff0c\u5176\u4e2d\u03c90\u4e00\u822c\u4e3a\u626b\u9891\u4fe1\u53f7\uff0c\u4eceDC\u9644\u8fd1\u5f00\u59cb\u5230\u51e0\u5341\u6216\u51e0\u767e\u5146\uff1a<\/p>\n

s(t)=sin\u03c90t\u2219cos\u03c9ct-cos\u03c90t\u2219 sin\u03c9c t<\/p>\n

=sin\u2061(\u03c9c-\u03c90 )t<\/p>\n

\u5982\u679cIQ\u8c03\u5236\u5668\u5b8c\u5168\u7406\u60f3\uff0c\u53ea\u4f1a\u5728(\u03c9c-\u03c90)\u5904\u4ea7\u751f\u4e00\u4e2a\u5355\u8fb9\u5e26\u4fe1\u53f7\uff08\u5355\u8fb9\u5e26CW\u4fe1\u53f7\uff09\uff0c\u4f46\u662f\u7531\u4e8e\u8c03\u5236\u5668\u7684\u4e0d\u7406\u60f3\u6027\uff0c\u4e5f\u4f1a\u5728(\u03c9c+\u03c90)\u5904\u4ea7\u751f\u4e00\u4e2a\u955c\u50cf\u4fe1\u53f7\u3002\u4e0e\u6b64\u540c\u65f6\u5728\u672c\u632f\u9891\u7387\u03c9c\u4f4d\u7f6e\u4e5f\u4f1a\u6709\u4e00\u4e2a\u4fe1\u53f7\uff0c\u79f0\u4e3a\u672c\u632f\u6cc4\u6f0f\u3002\u672c\u632f\u548c\u955c\u50cf\u4fe1\u53f7\u7684\u6291\u5236\u5ea6\u662fIQ\u8c03\u5236\u5668\u7684\u91cd\u8981\u6307\u6807\u3002\u56fe2\u662f\u4e00\u4e2a\u5178\u578b\u7684IQ\u8c03\u5236\u5668\u7684\u5355\u8fb9\u5e26CW\u8f93\u51fa\u7ed3\u679c\uff0c\u8f7d\u6ce2\u4e3a10G\uff0cIQ\u4fe1\u53f7\u4e3a30MHz\uff0c\u6d4b\u8bd5\u5f97\u5230\u955c\u50cf\u4fe1\u53f7\u7684\u6291\u5236\u5ea6\u4e3a42dB\u3002\u6b64\u65f6\u91c7\u7528\u4efb\u610f\u6ce2\u5f62\u53d1\u751f\u5668\u4ea7\u751f\u4e24\u8def30MHz\u7684sin\u548ccos\u4fe1\u53f7\uff0c\u5206\u522b\u63d0\u4f9b\u7ed9IQ\u8c03\u5236\u5668\u4f5c\u4e3a\u57fa\u5e26\u8f93\u5165\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5e26\u6709\u53cc\u6e90\u9009\u4ef6\u7684\u77e2\u7f51\u7684\u4e24\u4e2a\u901a\u9053\u8f93\u51fa\u76f8\u4f4d\u5dee\u6052\u5b9a\u4e3a90\u5ea6\u7684CW\u8fde\u7eed\u6ce2\uff0c\u7528\u77e2\u7f51\u7684\u53e6\u4e00\u4e2a\u597d\u5904\u5c31\u662f,\u53ef\u4ee5\u5b9e\u73b0\u626b\u9891\u6a21\u5f0f\u4e0b\u7684\u672c\u632f\u548c\u955c\u50cf\u6291\u5236\u5ea6\u7684\u6d4b\u8bd5\u3002<\/p>\n

\"pYYBAGFqUkSACtNdAAB0kFE8nzI136-2\"<\/div>\n

\u56fe2. \u9891\u8c31\u4eea\u6d4b\u8bd5\u77e2\u91cf\u4fe1\u53f7\u6e90\u7684IQ\u8c03\u5236\u955c\u50cf\u6291\u5236\u5ea6<\/p>\n

2. \u6d4b\u8bd5\u4efb\u52a1<\/strong><\/p>\n

\u672c\u6587\u91c7\u7528\u7684\u6b63\u4ea4\u8c03\u5236\u5668\u5f85\u6d4b\u4ef6\u662f\u6765\u81eaANALOG DEVICES\u7684AD<\/u>L5371\uff0c\u5b83\u7684\u5de5\u4f5c\u9891\u7387\u8303\u56f4\uff1a500 MHz\uff5e1.5 GHz\u3002\u4e0b\u56fe3\u6240\u793a\uff0c\u8be5\u5668\u4ef6I+\uff0cI-\uff0cQ+\uff0cQ-\u7aef\u53e3\u5206\u522b\u4e3aIQ\u53cc\u8def\u5dee\u5206\u57fa\u5e26\u8f93\u5165\uff0cLO\u4e3a\u5355\u7aef\u672c\u632f\u8f93\u5165\uff08LOIN\u63a5\u5339\u914d\u8d1f\u8f7d\uff09\u3002\u57fa\u5e26\u8f93\u5165\u9700\u8981500mV\u7684\u504f\u7f6e\u7535\u538b\u3002\u5c04\u9891\u8f93\u51faVOUT\u4e3a\u5355\u7aef50\u03a9\u3002<\/p>\n

\"poYBAGFqUkmASro1AAJeY-Qjorw724\"<\/div>\n

\u56fe3. \u6b63\u4ea4\u8c03\u5236\u5668ADL5371\u00a0pi<\/u>n\uff08\u5de6\uff09\u548cADL5371\u7684\u8bc4\u4f30\u677f<\/u><\/p>\n

\u6d4b\u8bd5\u65f6\uff0cADL5371\u7684\u8bc4\u4f30\u677f\u9700\u8981\u8f93\u51650dBm\u3001900MHz\u7684\u5355\u7aef\u672c\u632f\u3002IQ\u53cc\u8def\u5dee\u5206\u57fa\u5e26\u8f93\u5165\u7684\u6b63\u5f26\u6ce2\u7684\u5cf0\u5cf0\u503c\u4e3a1.4V\uff0c\u9891\u7387\u4e3a1MHz\uff0c\u5e76\u4e14\u5e26\u6709500mV\u7684\u504f\u7f6e\u7535\u538b\u3002<\/p>\n

\u6d4b\u8bd5\u9879\u76ee\u5305\u62ec\uff1a\u8f93\u51fa\u529f\u7387\uff1b\u8f93\u51fa1dB\u538b\u7f29\u70b9\uff1b\u8f7d\u6ce2\u9988\u901a\uff1b\u8fb9\u5e26\u6291\u5236\uff1b\u6b63\u4ea4\u76f8\u4f4d\u8bef\u5dee\uff1bIQ\u5e45\u5ea6\u4e0d\u5e73\u8861\u6027\uff1b\u4e8c\u6b21\u3001\u4e09\u6b21\u8c10\u6ce2\u6291\u5236\uff1bTOI\uff1b\u57fa\u5e26\u5230\u5c04\u9891\u5e45\u9891\u54cd\u5e94\u3002<\/p>\n

3. \u6d4b\u8bd5\u5e73\u53f0<\/strong><\/p>\n

\u6d4b\u8bd5\u5e73\u53f0\u7684\u6838\u5fc3\u662f\u77e2\u91cf\u4fe1\u53f7\u6e90\u548c\u4fe1\u53f7\u4e0e\u9891\u8c31\u5206\u6790\u4eea\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002\u8fd8\u5305\u62ec\u76f4\u6d41\u7535\u6e90\u548c\u4e07\u7528\u8868<\/u>\uff08\u7535\u538b\u6d4b\u91cf<\/u>\uff09\u3002ADL5371\u5b89\u88c5\u5728\u8bc4\u4f30\u677fQ MOD\u4e0a\u3002\u77e2\u91cf\u4fe1\u53f7\u6e90\u901a\u5e38\u914d\u5907\u4e86\u5dee\u5206IQ\u8f93\u51fa\uff0c\u53ef\u4ee5\u5c06\u57fa\u5e26IQ\u4ee5\u5dee\u5206\u4fe1\u53f7\u7684\u5f62\u5f0f\u4ece\u540e\u9762\u677f\u7684\u56db\u4e2aBNC\u63a5\u5934\u8f93\u51fa\u3002<\/p>\n

\"pYYBAGFqUk2AJqMaAAGk1ejMuLg319\"<\/div>\n

\u56fe4. \u6b63\u4ea4\u8c03\u5236\u5668\u6d4b\u8bd5\u5e73\u53f0<\/p>\n

4. \u6d4b\u8bd5\u7ed3\u679c<\/strong><\/p>\n

4.1 \u4fe1\u53f7\u6e90\u57fa\u672c\u8bbe\u7f6e<\/p>\n

4.2~4.4\u7684\u6d4b\u8bd5\u9879\u76ee\u4e2d\u4fe1\u53f7\u6e90\u8bbe\u7f6e\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u57fa\u5e26\u4ea7\u751f1MHz\u7684\u6b63\u5f26\u6ce2\uff0c\u57fa\u5e26IQ\u8f93\u51fa\u91c7\u7528\u5dee\u5206\u6a21\u5f0f\uff0c\u8f93\u51fa\u7535\u538b\u5cf0\u503c\u4e3a0.7V\uff0cIQ\u7aef\u53e3\u504f\u7f6e\u7535\u538b500mV\u3002<\/p>\n

\"poYBAGFqUlCAExgXAADAO1l5qOo448\"<\/div>\n

\u56fe5. \u4fe1\u53f7\u6e90SMU200A\u57fa\u672c\u8bbe\u7f6e<\/p>\n

4.2 \u8f93\u51fa\u529f\u7387<\/p>\n

\u4ece\u56fe6\u7684\u6807\u6ce8M1\u770b\u51fa\uff0c\u8f93\u51fa\u529f\u73877.86dBm<\/p>\n

\"pYYBAGFqUlKAdXKVAABn5VGT4Ds839\"<\/div>\n

\u56fe6. \u8f93\u51fa\u529f\u7387\u6d4b\u8bd5\u7ed3\u679c<\/p>\n

4.3 \u672c\u632f\u6cc4\u6f0f\u548c\u8fb9\u5e26\u6291\u5236\u3001\u4e8c\u6b21\u8c10\u6ce2\u548c\u4e09\u6b21\u8c10\u6ce2<\/p>\n

\u4ece\u56fe7\u4e2dD3,D2\u770b\u51fa\uff0c\u8fb9\u5e26\u6291\u5236-51.5dBc\uff0c\u672c\u632f\u6cc4\u6f0f-57dBc<\/p>\n

\u4ece\u56fe7\u4e2dD4,D1\u770b\u51fa\uff0c\u4e8c\u6b21\u8c10\u6ce2\u6291\u5236\u5ea6\u4e3a-72dB\uff0c\u4e09\u6b21\u8c10\u6ce2\u6291\u5236\u5ea6\u4e3a-53dB\u3002<\/p>\n

\"poYBAGFqUlOANQ3XAABqhmB5uss314\"<\/div>\n

\u56fe7. \u8f93\u51fa\u529f\u7387\u6d4b\u8bd5\u7ed3\u679c\u672c\u632f\u6cc4\u6f0f\u548c\u8fb9\u5e26\u6291\u5236\u3001\u4e8c\u6b21\u8c10\u6ce2\u548c\u4e09\u6b21\u8c10\u6ce2\u6d4b\u91cf\u7ed3\u679c<\/p>\n

4.4 1dB\u538b\u7f29\u70b9<\/p>\n

\u63091dB\u7684\u6b65\u8fdb\u589e\u5927\u5dee\u5206IQ\u8f93\u51fa\u7684\u7535\u538b\uff0c\u5728\u9891\u8c31\u4eea\u4e0a\u770b\u5230\u8f93\u51fa\u529f\u7387\u7684\u589e\u52a0\u503c\u5c0f\u4e8e1dB\u65f6\u5c31\u6d4b\u51fa\u4e861dB\u538b\u7f29\u70b9\uff0c\u4ece\u4e0b\u56fe8\u4e2d\u770b\u51fa\uff0c\u8f93\u51fa\u538b\u7f29\u70b9\u4e3a13.8dBm\uff0c\u5728\u4fe1\u53f7\u6e90\u4e0a\u8bfb\u53d6\u5bf9\u5e94\u7684\u8f93\u5165IQ\u529f\u7387\u4e3a1.567V\u3002<\/p>\n

\"pYYBAGFqUlWAVPGvAABc_zqezqQ971\"<\/div>\n

\u56fe8. 1dB\u538b\u7f29\u70b9\u6d4b\u91cf\u7ed3\u679c<\/p>\n

4.5 IQ\u5e45\u5ea6\u4e0d\u5e73\u8861\u6027\u548c\u6b63\u4ea4\u76f8\u4f4d\u8bef\u5dee<\/p>\n

\u4fe1\u53f7\u6e90\u4ea7\u751f1M\u7b26\u53f7\u901f\u7387\u7684QPSK\uff0cIQ\u8f93\u51fa\u7684\u8bbe\u7f6e\u4e0e\u524d\u9762\u7684\u6d4b\u8bd5\u9879\u76ee\u76f8\u540c\u3002\u4f7f\u7528\u9891\u8c31\u4eea\u7684\u77e2\u91cf\u4fe1\u53f7\u5206\u6790\uff08VSA\uff09\u89e3\u8c03\uff0c\u4e0b\u56fe9\u6d4b\u8bd5\u7ed3\u679c\u663e\u793a\u6b63\u4ea4\u76f8\u4f4d\u8bef\u5dee\u4e3a0.08\u5ea6\uff0cIQ\u5e45\u5ea6\u4e0d\u5e73\u8861\u6027\u4e3a0.04dB\u3002<\/p>\n

\"poYBAGFqUliAQe64AADCpvRfHPE601\"<\/div>\n

\u56fe9. IQ\u4e0d\u7406\u60f3\u7279\u6027\u6d4b\u91cf\u7ed3\u679c<\/p>\n

4.6 TOI<\/p>\n

\u4fe1\u53f7\u6e90\u6807\u914d\u7684Mul<\/u>TI<\/u>-Carrier\u529f\u80fd\u4ea7\u751f3.5MHz\u548c4.5MHz\u7684\u53cc\u97f3IQ\u4fe1\u53f7\uff0cIQ\u8f93\u51fa\u7684\u8bbe\u7f6e\u4e0e\u524d\u9762\u7684\u6d4b\u8bd5\u9879\u76ee\u76f8\u540c\uff0c\u8c03\u6574IQ\u8f93\u5165\u7535\u538b\u76f4\u5230\u53cc\u97f3\u4fe1\u53f7\u8f93\u51fa\u529f\u7387\u52301.6dBm\u3002\u5229\u7528\u9891\u8c31\u4eea\u81ea\u5e26\u7684TOI\u529f\u80fd\u6d4b\u5f97TOI\u4e3a27.7dBm\u3002<\/p>\n

\"pYYBAGFqUluADxOTAAB_X5FV73A489\"<\/div>\n

\u56fe10. TOI\u6d4b\u91cf\u7ed3\u679c<\/p>\n

4.7 \u57fa\u5e26\u5230\u5c04\u9891\u5e45\u9891\u54cd\u5e94<\/p>\n

\u8fdb\u884c\u5e45\u9891\u54cd\u5e94\u6d4b\u8bd5\u9700\u8981\u7528\u8ba1\u7b97\u673a<\/u>\u7a0b\u63a7\u4fe1\u53f7\u6e90\u6b65\u8fdb\u6539\u53d8\u57fa\u5e26\u9891\u504f\uff0c\u9891\u8c31\u4eea\u7684\u6d4b\u91cf\u8ff9\u7ebf\u91c7\u7528\u6700\u5927\u4fdd\u6301\u529f\u80fd\u3002\u4ece\u56fe11\u770b\u51fa\uff0c\u4ece900MHz\u5230940MHz\uff0c\u8be5\u6b63\u4ea4\u8c03\u5236\u5668\u8bc4\u4f30\u677f\u7684\u5e45\u9891\u54cd\u5e94\u6700\u5927\u503c7.8dBm\uff0c\u6700\u5c0f\u503c7.1dBm\u3002\u9700\u8981\u7279\u522b\u6ce8\u610f\u7684\u662f\uff0c\u4e0a\u8ff0\u7684\u5e45\u9891\u54cd\u5e94\u6d4b\u91cf\u7ed3\u679c\u662f\u5bf9ADL5371\u8bc4\u4f30\u677f\u7684\u6d4b\u91cf\u7ed3\u679c\uff0c\u5982\u679c\u8981\u5f97\u5230ADL5371\u82af\u7247\u76841dB\u548c0.1dB\u5e26\u5bbd\uff0c\u8fd8\u9700\u5bf9\u8bc4\u4f30\u677f\u7535\u8def\u7684\u7535\u8def\u7279\u6027\u8fdb\u884c\u6821\u51c6\u5e76\u4fee\u6b63\u3002<\/p>\n

\"poYBAGFqUl-ALJ2LAAFDONtS1us870\"\"pYYBAGFqUl-ASDojAABRJGncGX4511\"<\/div>\n

\u56fe11. \u5e45\u9891\u54cd\u5e94\u6d4b\u91cf\u7ed3\u679c\uff0c\u91c7\u7528SMU200A\u6d4b\u91cf\uff08\u4e0a\uff09\u4e0eAFQ100B\u6d4b\u91cf\uff08\u4e0b\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"

1. \u6982\u8ff0 \u8fd1\u51e0\u5e74\u6765\uff0c\u79fb\u52a8\u901a\u4fe1\u5728\u6211\u56fd\u5f97\u5230\u4e86\u8fc5\u901f\u7684\u53d1\u5c55\u548c\u666e\u53ca\uff0c\u65e0\u7ebf\u901a\u4fe1\u7684\u53d1\u5c04\u673a\u4e0e\u63a5\u6536\u673a\u6280\u672f\u4e5f\u5f97\u5230\u8fc5\u731b\u53d1\u5c55\u3002\u5c04\u9891\u53d1 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/4717"}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4717"}],"version-history":[{"count":2,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/4717\/revisions"}],"predecessor-version":[{"id":9148,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/4717\/revisions\/9148"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4717"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}