{"id":3032,"date":"2021-03-24T15:04:02","date_gmt":"2021-03-24T07:04:02","guid":{"rendered":"http:\/\/www.comtest.cn\/?post_type=product&#038;p=3032"},"modified":"2021-03-24T17:05:38","modified_gmt":"2021-03-24T09:05:38","slug":"upv","status":"publish","type":"product","link":"http:\/\/www.comtest.cn\/?product=upv","title":{"rendered":"UPV \u97f3\u9891\u5206\u6790\u4eea"},"content":{"rendered":"<div id=\"ti_expandedbox_c_t-7558.4\" class=\"text\">\n<p>\u5c3d\u7ba1\u97f3\u9891\u4fe1\u53f7\u76ee\u524d\u4e3b\u8981\u662f\u901a\u8fc7\u6570\u5b57\u65b9\u5f0f\u5904\u7406\u7684\uff0c\u4f46\u6a21\u62df\u6280\u672f\u4e0d\u65ad\u589e\u5f3a\uff0c\u4ecd\u7136\u4e0d\u5931\u4e3a\u884c\u4e4b\u6709\u6548\u7684\u66ff\u4ee3\u65b9\u6848\u3002 \u5982\u6b64\u4e00\u6765\uff0c\u6a21\u62df\u548c\u6570\u5b57\u6d4b\u91cf\u7f3a\u4e00\u4e0d\u53ef\u3002 R&amp;S<sup>\u00ae<\/sup>UPV \u97f3\u9891\u5206\u6790\u4eea\u662f\u4e13\u95e8\u4e3a\u6b64\u8bbe\u8ba1\u7684\u3002<\/p>\n<p>\u501f\u52a9 R&amp;S<sup>\u00ae<\/sup>UPV\uff0c\u7528\u6237\u51e0\u4e4e\u53ef\u4ee5\u6267\u884c\u97f3\u9891\u9886\u57df\u5185\u6240\u6709\u7684\u5fc5\u8981\u6d4b\u91cf\uff1a \u9891\u7387\u54cd\u5e94\u6d4b\u91cf\u3001\u603b\u8c10\u6ce2\u5931\u771f (THD) \u663e\u793a\u3001\u9891\u8c31\u663e\u793a\u3001\u6570\u5b57\u63a5\u53e3\u5206\u6790\u7b49\u7b49\u3002 \u53d1\u751f\u5668\u5177\u6709\u591a\u79cd\u7528\u9014\u3002 \u5b83\u53ef\u7528\u6765\u521b\u5efa\u4efb\u4f55\u60f3\u5f97\u5230\u7684\u4fe1\u53f7\uff0c\u5305\u62ec\u6b63\u5f26\u6ce2\u548c\u566a\u58f0\u4fe1\u53f7\u4ee5\u53ca\u591a\u6b63\u5f26\u6ce2\u4fe1\u53f7\u3002<\/p>\n<p>R&amp;S<sup>\u00ae<\/sup>UPV \u662f\u4e00\u79cd\u5e26\u96c6\u6210\u63a7\u5236 PC \u7684\u4e00\u4f53\u5316\u4eea\u5668\uff0c\u643a\u5e26\u5341\u5206\u65b9\u4fbf\u3002 \u7531\u4e8e\u4eea\u5668\u662f\u51fa\u5382\u5373\u7528\u7684\uff0c\u56e0\u6b64\u53ea\u9700\u62c6\u5f00\u5305\u88c5\uff0c\u5f00\u542f\u540e\u5373\u53ef\u6295\u5165\u4f7f\u7528\u3002 \u65e0\u9700\u5916\u56f4\u8bbe\u5907\u3002 \u53ef\u9009\u6a21\u5757\u53ca\u8f6f\u4ef6\u6269\u5c55\u53ef\u96c6\u6210\u5230\u8be5\u4eea\u5668\u4e2d\uff0c\u8fdb\u4e00\u6b65\u5ef6\u5c55\u4e86\u5e94\u7528\u53ef\u80fd\u6027\u3002<\/p>\n<p>R&amp;S<sup>\u00ae<\/sup>UPV \u5177\u6709\u4e00\u4e2a\u76f4\u89c2\u5316\u7528\u6237\u754c\u9762\uff08Windows \u64cd\u4f5c\u7cfb\u7edf\uff09\u3002 \u5927\u5c4f\u5e55\u8d77\u5230\u5f88\u91cd\u8981\u7684\u4f5c\u7528\uff0c\u800c\u4e0d\u4ec5\u4ec5\u5c40\u9650\u4e8e\u663e\u793a\u6d4b\u91cf\u7ed3\u679c\u3002 \u6240\u6709\u8bbe\u7f6e\u90fd\u53ef\u4ee5\u5728\u5305\u542b\u6240\u6709\u76f8\u5173\u529f\u80fd\u53ca\u8bbe\u7f6e\u7684\u9762\u677f\u4e2d\u5b8c\u6210\u3002 \u9274\u4e8e\u64cd\u4f5c\u539f\u7406\u6613\u61c2\u4e14\u6a21\u62df\u548c\u6570\u5b57\u6d4b\u91cf\u7684\u65b9\u5f0f\u76f8\u4f3c\uff0c\u7528\u6237\u80fd\u591f\u5feb\u901f\u638c\u63e1\u4eea\u5668\u64cd\u4f5c\u3002<\/p>\n<p>\u8be5\u4eea\u5668\u5177\u6709\u53ef\u6839\u636e\u9700\u8981\u5728\u5c4f\u5e55\u5468\u56f4\u79fb\u52a8\u7684\u53ef\u6269\u5c55\u56fe\u5f62\u7a97\u53e3\uff0c\u4fbf\u4e8e\u7528\u6237\u6982\u89c8\u6240\u6709\u7684\u6d4b\u91cf\u7ed3\u679c\u3002 \u53ef\u5b9e\u65f6\u663e\u793a\u5355\u4fe1\u9053\u6216\u53cc\u4fe1\u9053\u7684\u7ed3\u679c\uff0c\u4ea6\u53ef\u9009\u62e9\u6269\u5c55\u5230\u5b9e\u65f6\u663e\u793a\u6700\u591a 16 \u4e2a\u4fe1\u9053\u7684\u7ed3\u679c\u3002 \u591a\u4e2a\u6d4b\u91cf\u529f\u80fd\/\u56fe\u5f62\u540c\u65f6\u53ef\u7528\u3002 \u6bd4\u5982\uff0c\u53ef\u540c\u65f6\u663e\u793a\u9891\u57df\u4ee5\u53ca\u65f6\u57df\u5185\u7684\u5206\u6790\u3002 \u901a\u8fc7\u56fe\u5f62\uff0c\u7528\u6237\u53ef\u501f\u52a9\u5782\u76f4\u548c\u6c34\u5e73\u5149\u6807\u8bfb\u53d6\u7ed3\u679c\uff0c\u5e76\u4e14\u53ef\u5c06\u9650\u503c\u7ebf\u6216\u50a8\u5b58\u7684\u6d4b\u91cf\u7ed3\u679c\u91cd\u53e0\u4e8e\u8fd9\u4e9b\u7ed3\u679c\u4e4b\u4e0a\uff0c\u6216\u4e92\u4f5c\u6bd4\u8f83\u3002<\/p>\n<h2>\u4e3b\u8981\u7279\u70b9<\/h2>\n<ul>\n<li>\u9002\u7528\u4e8e\u6240\u6709\u63a5\u53e3\uff1a\u6a21\u62df\u3001\u6570\u5b57\u3001\u6a21\u62df\u548c\u6570\u5b57<\/li>\n<li>\u540c\u65f6\u663e\u793a\u591a\u79cd\u6d4b\u91cf\u529f\u80fd<\/li>\n<li>\u91c7\u6837\u7387\u9ad8\u8fbe 400 kHz<\/li>\n<li>\u5206\u6790\u4eea\u548c\u53d1\u751f\u5668\u91c7\u7528\u7528\u6237\u53ef\u7f16\u7a0b\u6ee4\u6ce2\u5668<\/li>\n<li>\u96c6\u6210\u7535\u8111\u7684\u7d27\u51d1\u578b\u4eea\u5668<\/li>\n<li>\u7528\u4e8e\u5c06\u6765\u9009\u4ef6\u7684\u63d2\u69fd<\/li>\n<\/ul>\n<h4>\u4e00\u53f0\u8bbe\u5907\u53ef\u63d0\u4f9b\u6240\u6709\u6d4b\u8bd5\u4fe1\u53f7 \/ \u6d4b\u91cf\u529f\u80fd<\/h4>\n<ul>\n<li>\u5404\u79cd\u6a21\u62df\u548c\u6570\u5b57\uff08\u9009\u914d\uff09\u6d4b\u8bd5\u4fe1\u53f7<\/li>\n<li>\u4e30\u5bcc\u7684\u6a21\u62df\u548c\u6570\u5b57\uff08\u9009\u914d\uff09\u63a5\u53e3\u6d4b\u91cf\u529f\u80fd<\/li>\n<li>\u6548\u7387\u9ad8\uff0c\u591a\u901a\u9053 FFT \u5206\u6790\u7684\u5206\u8fa8\u7387\u8fbe\u5230 MHz \u7ea7<\/li>\n<li>\u7528\u6237\u53ef\u7f16\u7a0b\u6ee4\u6ce2\u5668\u53ef\u5728\u51e0\u79d2\u949f\u5185\u6839\u636e\u624b\u5934\u6d4b\u91cf\u4efb\u52a1\u8fdb\u884c\u8c03\u6574<\/li>\n<li>\u914d\u7f6e\u9f50\u5168\uff0c\u65e0\u9700\u4f7f\u7528\u5916\u56f4\u8bbe\u5907<\/li>\n<\/ul>\n<h1>\u63d0\u4f9b\u7684\u63a5\u53e3\u79cd\u7c7b\u591a<\/h1>\n<ul>\n<li>\u6807\u914d\u6a21\u62df\u53d1\u751f\u5668\u8f93\u51fa<\/li>\n<li>\u6807\u914d\u5e26\u6a21\u62df\u8f93\u5165\u7684\u53cc\u901a\u9053\u5206\u6790\u4eea<\/li>\n<li>\u53ef\u6269\u5c55\u4e3a 16 \u4e2a\u6d4b\u91cf\u901a\u9053<\/li>\n<li>\u6570\u5b57\u97f3\u9891\u63a5\u53e3\uff08\u9009\u914d\uff09<\/li>\n<li>\u6570\u5b57\u534f\u8bae\u5206\u6790\u548c\u751f\u6210\uff08\u9009\u914d\uff09<\/li>\n<li>\u6296\u52a8\u548c\u63a5\u53e3\u6d4b\u8bd5\uff08\u9009\u914d\uff09<\/li>\n<li>\u4f7f\u7528 I<sup>2<\/sup>S \u63a5\u53e3\u6d4b\u8bd5\u97f3\u9891\u96c6\u6210\u7535\u8def\uff08\u9009\u914d\uff09<\/li>\n<li>\u901a\u7528\u4e32\u884c\u63a5\u53e3\u5141\u8bb8\u8c03\u6574\u51e0\u4e4e\u4efb\u4f55\u97f3\u9891\u7535\u8def\uff08\u9009\u914d\uff09<\/li>\n<\/ul>\n<h1>\u5176\u4ed6\u5e94\u7528\u4f7f\u7528\u7684\u9009\u4ef6<\/h1>\n<ul>\n<li>PESQ\u00ae<sup>1\uff09<\/sup> \u6d4b\u91cf\u9009\u4ef6\u53ef\u6839\u636e\u5fc3\u7406\u58f0\u5b66\u6cd5\u5bf9\u8bed\u97f3\u4fe1\u53f7\u8fdb\u884c\u5206\u6790<\/li>\n<li>PEAQ\u00ae <sup>1\uff09<\/sup>\u00a0\u6d4b\u91cf\u9009\u4ef6\u53ef\u6839\u636e\u5fc3\u7406\u58f0\u5b66\u6cd5\u5bf9\u5bbd\u5e26\u97f3\u9891\u4fe1\u53f7\u8fdb\u884c\u5206\u6790<\/li>\n<li>POLQA\u00ae <sup>1\uff09<\/sup>\u6d4b\u91cf\u9009\u4ef6\u53ef\u6839\u636e\u5fc3\u7406\u58f0\u5b66\u6cd5\u5bf9\u5bbd\u5e26\u8bed\u97f3\u8d28\u91cf\u8fdb\u884c\u5206\u6790<\/li>\n<li>\u52a9\u542c\u88c5\u7f6e\u662f\u5426\u7b26\u5408\u6807\u51c6\u7684\u6d4b\u91cf<\/li>\n<li>\u624b\u673a\u58f0\u5b66\u6d4b\u91cf<\/li>\n<\/ul>\n<p><em>\u00a0 1\uff09PESQ\u00ae\u3001PEAQ\u00ae\u3001POLQA\u00ae \u662f\u5fb7\u56fd OPTICOM Dipl.-lng.M.Keyhl GmbH \u7684\u6ce8\u518c\u5546\u6807\u3002<\/em><\/p>\n<h2>\u7b80\u8981\u89c4\u683c<\/h2>\n<table border=\"1\" width=\"584\" cellpadding=\"0\" align=\"center\">\n<tbody>\n<tr>\n<td colspan=\"4\"><strong>\u53cc\u901a\u9053\u6a21\u62df\u5206\u6790\u4eea<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u9891\u7387\u8303\u56f4<\/td>\n<td>DC\/10 Hz \u81f3 21.76 kHz\/40 kHz\/80 kHz\/250 kHz<\/td>\n<\/tr>\n<tr>\n<td>\u7535\u538b\u8303\u56f4<\/td>\n<td>0.1 \u03bcv to 110 V<\/td>\n<\/tr>\n<tr>\n<td>\u6d4b\u91cf\u529f\u80fd ( \u57fa\u672c\u5355\u5143\u548c\u900930kHz \u81f3 200kHz\u4ef6 )<\/td>\n<td>\u5bbd\u5e26\u6709\u6548\u503c\uff0c\u53ef\u9009\u62e9\u6709\u6548\u503c\uff0c\u5cf0\u503c\uff0c\u51c6\u5cf0\u503c\uff0cS\/N\uff0cDC\uff0cFFT\uff0cTHD\uff0c THD+N\uff0cSINAD\uff0cMod Dist\uff0cDFD\uff0cDIM\uff0c\u6781\u6027\uff0c\u6ce2\u5f62\uff0c\u9891\u7387\uff0c\u76f8\u4f4d\uff0c\u7ec4\u5ef6\u65f6\uff0crub &amp; buzz,1\/n \u500d\u9891\u7a0b\u5206\u6790\uff0c\u6b20\u91c7\u6837FFT\uff0cPESQ\u00ae\uff0cPEAQ\u00ae\uff0cPOLQA\u00ae<\/td>\n<\/tr>\n<tr>\n<td colspan=\"3\"><strong>\u6a21\u62df\u53d1\u751f\u5668<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u7535\u538b(\u5e73\u8861\u3001\u771f\u6709\u6548\u503c\u3001\u6b63\u5f26\u3001\u5f00\u8def)<\/td>\n<td>0.1 mV \u81f3 20 V<\/td>\n<\/tr>\n<tr>\n<td>\u8f93\u51fa\u4fe1\u53f7(\u57fa\u672c\u5355\u5143\u548c\u9009\u4ef6)<\/td>\n<td>\u6b63\u5f26\uff0c\u591a\u6b63\u5f26\uff0c\u6b63\u5f26\u8109\u51b2\uff0c\u6b63\u5f26<sup>2<\/sup>\u00a0\u8109\u51b2\uff0cMod Dist\uff0cDFD\uff0c\u566a\u58f0\uff0c\u4efb\u610f\u6ce2\u5f62\uff0c\u6781\u6027\uff0cFM\uff0cAM\uff0cDC\uff0c\u64ad\u653eWAV\u6587\u4ef6\uff0c\u7acb\u4f53\u5f0f\u6b63\u5f26\uff0cDIM\uff0c\u65b9\u6ce2<\/td>\n<\/tr>\n<tr>\n<td colspan=\"3\"><strong>\u6570\u5b57\u5206\u6790\u4eea \/ \u53d1\u751f\u5668<\/strong><\/td>\n<\/tr>\n<tr>\n<td colspan=\"3\"><strong>\u6570\u5b57\u97f3\u9891\u63a5\u53e3<\/strong>\u00a0<strong>(<\/strong>\u00a0<strong>\u9009\u914d<\/strong>\u00a0<strong>)<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u97f3\u9891\u4f4d<\/td>\n<td>8 bit \u81f3 24 bit<\/td>\n<\/tr>\n<tr>\n<td>\u65f6\u949f\u9891\u7387<\/td>\n<td>30 kHz \u81f3 200 kHz<\/td>\n<\/tr>\n<tr>\n<td>\u683c\u5f0f<\/td>\n<td>AES3 \u548c IEC 60958 \u89c4\u5b9a\u7684\u4e13\u4e1a\u548c\u6d88\u8d39\u7c7b\u5546\u54c1\u683c\u5f0f<\/td>\n<\/tr>\n<tr>\n<td colspan=\"3\"><strong>I<\/strong>\u00a0<strong><sup>2<\/sup><\/strong>\u00a0<strong>S<\/strong>\u00a0<strong>\u63a5\u53e3<\/strong>\u00a0<strong>(<\/strong>\u00a0<strong>\u9009\u914d<\/strong>\u00a0<strong>)<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u97f3\u9891\u4f4d<\/td>\n<td>8 bit \u81f3 32 bit<\/td>\n<\/tr>\n<tr>\n<td>\u65f6\u949f\u9891\u7387<\/td>\n<td>6.75 kHz \u81f3 400 kHz<\/td>\n<\/tr>\n<tr>\n<td colspan=\"3\"><strong>\u901a\u7528\u4e32\u884c\u63a5\u53e3<\/strong>\u00a0<strong>(<\/strong>\u00a0<strong>\u9009\u914d<\/strong>\u00a0<strong>)<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u6570\u636e\u7ebf<\/td>\n<td>1 \u81f3 4<\/td>\n<\/tr>\n<tr>\n<td>\u97f3\u9891\u4f4d<\/td>\n<td>8 bit \u81f3 32 bit<\/td>\n<\/tr>\n<tr>\n<td>\u65f6\u949f\u9891\u7387<\/td>\n<td>0.85 kHz \u81f3 400 kHz<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u8ba2\u8d27\u4fe1\u606f<\/h2>\n<table width=\"530\">\n<tbody>\n<tr>\n<td width=\"79\">\u578b\u53f7<\/td>\n<td width=\"108\">\u8ba2\u8d27\u53f7<\/td>\n<td width=\"343\">\u8bf4\u660e<\/td>\n<\/tr>\n<tr>\n<td>UPV<\/td>\n<td>\u00a01146.2003.02<\/td>\n<td width=\"343\">\u97f3\u9891\u5206\u6790\u4eea<\/td>\n<\/tr>\n<tr>\n<td>UPV66<\/td>\n<td>\u00a01146.2003.66<\/td>\n<td width=\"343\">\u97f3\u9891\u5206\u6790\u4eea\uff0c\u4e0d\u5e26\u663e\u793a<\/td>\n<\/tr>\n<tr>\n<td>UPV-B1<\/td>\n<td>\u00a01146.5202.02<\/td>\n<td width=\"343\">\u4f4e\u5931\u771f\u53d1\u751f\u5668<\/td>\n<\/tr>\n<tr>\n<td>UPV-B2<\/td>\n<td>\u00a01146.4306.02<\/td>\n<td width=\"343\">Digital Audio Interfaces AES\/EBU, S\/P DIF<\/td>\n<\/tr>\n<tr>\n<td>UPV-B3<\/td>\n<td>\u00a01146.4806.02<\/td>\n<td width=\"343\">Second Analog Generator<\/td>\n<\/tr>\n<tr>\n<td>UPV-B41<\/td>\n<td>\u00a01146.5402.02<\/td>\n<td width=\"343\">I2S<\/td>\n<\/tr>\n<tr>\n<td>UPV-B42<\/td>\n<td>\u00a01146.5802.02<\/td>\n<td width=\"343\">Universal Serial Interface<\/td>\n<\/tr>\n<tr>\n<td>UPV-B48<\/td>\n<td>\u00a01402.2200.02<\/td>\n<td width=\"343\">Eight-Channel Analog Inputs<\/td>\n<\/tr>\n<tr>\n<td>UPV-U1<\/td>\n<td>\u00a01146.1507.02<\/td>\n<td width=\"343\">Modification 150 .<\/td>\n<\/tr>\n<tr>\n<td>UPV-U2<\/td>\n<td>\u00a01402.1704.02<\/td>\n<td width=\"343\">BNC Phone Out<\/td>\n<\/tr>\n<tr>\n<td>UPV-K1<\/td>\n<td>\u00a01401.7009.02<\/td>\n<td width=\"343\">Universal Sequence Controller<\/td>\n<\/tr>\n<tr>\n<td>UPV-K21<\/td>\n<td>\u00a01401.7809.02<\/td>\n<td width=\"343\">Digital Audio Protocol<\/td>\n<\/tr>\n<tr>\n<td>\u00a0UPV-K22<\/td>\n<td>\u00a01401.7909.02<\/td>\n<td width=\"343\">Jitter and Interface Test Software for UPV-B2<\/td>\n<\/tr>\n<tr>\n<td>UPV-K4<\/td>\n<td>\u00a01401.9001.02<\/td>\n<td width=\"343\">Remote Control<\/td>\n<\/tr>\n<tr>\n<td>UPV-K421<\/td>\n<td>\u00a01402.1104.02<\/td>\n<td width=\"343\">PDM Bitstream Analysis<\/td>\n<\/tr>\n<tr>\n<td>UPV-K6<\/td>\n<td>\u00a01401.9201.02<\/td>\n<td width=\"343\">Extended Analysis Functions<\/td>\n<\/tr>\n<tr>\n<td>UPV-K61<\/td>\n<td>\u00a01401.7309.02<\/td>\n<td width=\"343\">Software for PESQ?Measurement<\/td>\n<\/tr>\n<tr>\n<td>UPV-K62<\/td>\n<td>\u00a01401.7750.02<\/td>\n<td width=\"343\">Software for PEAQ?Measurement<\/td>\n<\/tr>\n<tr>\n<td>UPV-K63<\/td>\n<td>\u00a01402.1156.02<\/td>\n<td width=\"343\">Software for POLQA?Measurement<\/td>\n<\/tr>\n<tr>\n<td>UPV-K7<\/td>\n<td>\u00a01401.9301.02<\/td>\n<td width=\"343\">Software for Hearing Aid Measurements<\/td>\n<\/tr>\n<tr>\n<td>UPV-K71<\/td>\n<td>\u00a01402.1004.02<\/td>\n<td width=\"343\">Hearing Aid Speech Tests<\/td>\n<\/tr>\n<tr>\n<td>UPV-K9<\/td>\n<td>\u00a01402.0008.02<\/td>\n<td width=\"343\">Base Software for Mobile Phone Tests<\/td>\n<\/tr>\n<tr>\n<td>UPV-K91<\/td>\n<td>\u00a01402.0108.02<\/td>\n<td width=\"343\">UMTS\/GSM Mobile Phone Tests<\/td>\n<\/tr>\n<tr>\n<td>UPV-K9101<\/td>\n<td>1402.2517.02<\/td>\n<td width=\"343\">UPV-K91 Upgrade 01<\/td>\n<\/tr>\n<tr>\n<td>UPV-K9102<\/td>\n<td>1402.2523.02<\/td>\n<td width=\"343\">UPV-K91 Upgrade 02<\/td>\n<\/tr>\n<tr>\n<td>UPV-K9103<\/td>\n<td>1402.2530.02<\/td>\n<td width=\"343\">UPV-K91 Upgrade 03<\/td>\n<\/tr>\n<tr>\n<td>UPV-K92<\/td>\n<td>\u00a01402.0608.02<\/td>\n<td width=\"343\">CDMA2000?Mobile Phone Tests<\/td>\n<\/tr>\n<tr>\n<td>\u00a0UPV-K98<\/td>\n<td>\u00a01424.2003.02<\/td>\n<td width=\"343\">Background Noise Control Software for UPV-K91\/-K92<\/td>\n<\/tr>\n<tr>\n<td>\u00a0UPV-K101<\/td>\n<td>\u00a01424.2203.02<\/td>\n<td width=\"343\">Background Noise Measurements for UPV-K91\/-K92<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>UPV\u51e0\u4e4e\u53ef\u4ee5\u6267\u884c\u97f3\u9891\u9886\u57df\u5185\u6240\u6709\u7684\u5fc5\u8981\u6d4b\u91cf\uff1a \u9891\u7387\u54cd\u5e94\u6d4b\u91cf\u3001\u603b\u8c10\u6ce2\u5931\u771f (THD) \u663e\u793a\u3001\u9891\u8c31\u663e\u793a\u3001\u6570\u5b57\u63a5\u53e3\u5206\u6790\u7b49\u7b49\u3002 \u53d1\u751f\u5668\u5177\u6709\u591a\u79cd\u7528\u9014\u3002 \u5b83\u53ef\u7528\u6765\u521b\u5efa\u4efb\u4f55\u60f3\u5f97\u5230\u7684\u4fe1\u53f7\uff0c\u5305\u62ec\u6b63\u5f26\u6ce2\u548c\u566a\u58f0\u4fe1\u53f7\u4ee5\u53ca\u591a\u6b63\u5f26\u6ce2\u4fe1\u53f7\u3002<\/p>\n","protected":false},"featured_media":3036,"template":"","meta":[],"product_brand":[],"product_cat":[128,39,37,80],"product_tag":[],"class_list":{"0":"post-3032","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-rs","7":"product_cat-avionics","8":"product_cat-broadcast","9":"product_cat-rf_audio","11":"first","12":"instock","13":"shipping-taxable","14":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\r\n<title>UPV \u97f3\u9891\u5206\u6790\u4eea - \u901a\u6d4b\u79d1\u6280<\/title>\r\n<meta name=\"description\" content=\"UPV\u51e0\u4e4e\u53ef\u4ee5\u6267\u884c\u97f3\u9891\u9886\u57df\u5185\u6240\u6709\u7684\u5fc5\u8981\u6d4b\u91cf\uff1a \u9891\u7387\u54cd\u5e94\u6d4b\u91cf\u3001\u603b\u8c10\u6ce2\u5931\u771f (THD) \u663e\u793a\u3001\u9891\u8c31\u663e\u793a\u3001\u6570\u5b57\u63a5\u53e3\u5206\u6790\u7b49\u7b49\u3002 \u53d1\u751f\u5668\u5177\u6709\u591a\u79cd\u7528\u9014\u3002 \u5b83\u53ef\u7528\u6765\u521b\u5efa\u4efb\u4f55\u60f3\u5f97\u5230\u7684\u4fe1\u53f7\uff0c\u5305\u62ec\u6b63\u5f26\u6ce2\u548c\u566a\u58f0\u4fe1\u53f7\u4ee5\u53ca\u591a\u6b63\u5f26\u6ce2\u4fe1\u53f7\u3002 \u9002\u7528\u4e8e\u6240\u6709\u63a5\u53e3 \uff08\u6a21\u62df\u3001\u6570\u5b57\u53ca\u6df7\u5408\uff09 \u540c\u65f6\u663e\u793a\u591a\u4e2a\u6d4b\u91cf\u529f\u80fd \u91c7\u6837\u7387\u6700\u9ad8\u8fbe 400 kHz \u5e26\u96c6\u6210 PC \u7684\u7d27\u51d1\u578b\u4eea\u5668 \u652f\u6301\u672a\u6765\u9009\u4ef6\u7684\u63d2\" \/>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"http:\/\/www.comtest.com.cn\/?product=upv\" \/>\r\n<meta 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