{"id":173,"date":"2023-06-21T11:08:58","date_gmt":"2023-06-21T03:08:58","guid":{"rendered":"https:\/\/www.bihec.com\/acoustics\/?p=173"},"modified":"2023-06-21T11:08:58","modified_gmt":"2023-06-21T03:08:58","slug":"precision-acoustics-%e5%ae%9a%e5%88%b61-3%e4%b8%aa%e5%8e%8b%e7%94%b5%e5%a4%8d%e5%90%88%e6%8d%a2%e8%83%bd%e5%99%a8-%e5%b0%ba%e5%af%b8%e6%9b%b4%e5%b0%8f%e5%b8%a6%e5%ae%bd%e6%9b%b4%e5%ae%bd%e7%9a%84","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/acoustics\/precision-acoustics-%e5%ae%9a%e5%88%b61-3%e4%b8%aa%e5%8e%8b%e7%94%b5%e5%a4%8d%e5%90%88%e6%8d%a2%e8%83%bd%e5%99%a8-%e5%b0%ba%e5%af%b8%e6%9b%b4%e5%b0%8f%e5%b8%a6%e5%ae%bd%e6%9b%b4%e5%ae%bd%e7%9a%84\/","title":{"rendered":"Precision Acoustics \u5b9a\u52361-3\u4e2a\u538b\u7535\u590d\u5408\u6362\u80fd\u5668 \u5c3a\u5bf8\u66f4\u5c0f\u5e26\u5bbd\u66f4\u5bbd\u7684\u4f4e\u9891\u5668\u4ef6"},"content":{"rendered":"

\u5b9a\u5236\u8bbe\u8ba1\u7684\u4f20\u611f\u5668\u4f7f\u75281-3\u538b\u7535\u590d\u5408\u6750\u6599\uff0c\u9002\u7528\u4e8e\u5404\u79cd\u4f4e\u9891\u5e94\u7528\u3002<\/p>\n

\n
\n

\u6982\u8ff0<\/h2>\n<\/div>\n<\/div>\n
\n
\n

\u6211\u4eec\u53ef\u4ee5\u8bbe\u8ba1\u548c\u5236\u9020\u57fa\u4e8e1-3\u538b\u7535\u590d\u5408\u6750\u6599\u7684\u4f20\u611f\u5668\u3002\u8fd9\u4e9b\u4f20\u611f\u5668\u975e\u5e38\u9002\u5408\u4e2d\u5fc3\u9891\u7387\u5728 200 kHz \u81f3 1 MHz \u8303\u56f4\u5185\u7684\u8bbe\u5907\u3002<\/p>\n

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\n
\n

\u5b9a\u5236\u8303\u56f4<\/h2>\n<\/div>\n<\/div>\n
\n
\u6211\u4eec\u6240\u6709\u76841-3\u538b\u7535\u590d\u5408\u6362\u80fd\u5668<\/a>\u90fd\u662f\u5b9a\u5236\u7684;\u5b83\u4eec\u65e8\u5728\u6ee1\u8db3\u7279\u5b9a\u7684 \u6bcf\u4e2a\u5ba2\u6237\u7684\u6d4b\u91cf\u8981\u6c42\u3002\u4e0b\u8868\u63d0\u4f9b\u4e86 \u6211\u4eec\u53ef\u4ee5\u8bbe\u8ba1\u4f20\u611f\u5668\u7684\u503c\u8303\u56f4\u3002<\/div>\n<\/div>\n
\n
\n\n\n\n\n\n\n\n\n
\u4f20\u611f\u5668\u6750\u6599<\/td>\n\u56db\u5c4250\u5fae\u7c73\u539a\u7684\u91d1PVdF<\/a>\u8584\u819c<\/td>\n<\/tr>\n
\u4f20\u611f\u5668\u5c3a\u5bf8\uff1a<\/td>\n\u76f4\u5f84 25 \u6beb\u7c73<\/td>\n<\/tr>\n
\u7ec8\u6b62\uff1a<\/td>\n5 m RG58 \u540c\u8f74\u7535\u7f06\uff0c\u6807\u914d 50 \u03a9 BNC\uff0c\u4f46\u53ef\u63d0\u4f9b\u5176\u4ed6\u7535\u7f06<\/td>\n<\/tr>\n
\u5178\u578b\u63a2\u5934\u7075\u654f\u5ea6\uff1a<\/td>\n-218 dB \u56de\u590d\uff1a 1 V\/uPa \uff08\u5fae\u5e15\u65af\u5361\uff09<\/td>\n<\/tr>\n
\u8bbe\u5907\u95f4\u5bb9\u5dee\uff1a<\/td>\n\u5355\u4e2a\u63a2\u5934\u4e4b\u95f4\u7684\u7075\u654f\u5ea6\u53d8\u5316\u5728 3 dB \u00b1\u8303\u56f4\u5185<\/td>\n<\/tr>\n
\u5178\u578b\u9891\u7387\u54cd\u5e94\u53d8\u5316\uff1a<\/td>\n300 kHz \u81f3 1 MHz\uff1a \u00b10.5 dB
\n100 kHz \u81f3 1 MHz\uff1a +1.5 dB\uff0c -0.6 dB<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
1-3\u4e2a\u538b\u7535\u590d\u5408\u6362\u80fd\u5668<\/a>\nPrecision Acoustics<\/a>\n\u5c3a\u5bf8\u66f4\u5c0f\u5e26\u5bbd\u66f4\u5bbd\u7684\u4f4e\u9891\u5668\u4ef6<\/a><\/div>","protected":false},"excerpt":{"rendered":"

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