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PRECISION ACOUSTICS,PA<\/a>,D1602<\/a>,D1202<\/a>,D1604<\/a>,\u819c\u6c34\u58f0\u4f20\u611f\u5668<\/a><\/p>\n

\u819c \u6c34\u58f0\u4f20\u611f\u5668<\/a><\/p>\n

Precision Acoustics<\/a> \u516c\u53f8\u751f\u4ea7\u9ad8\u8d28\u91cf\u7684\u5171\u5e73\u9762\u819c\u6c34\u58f0\u4f20\u611f\u5668\uff0c\u8fd9\u4e9b\u4f20\u611f\u5668\u7ecf\u8fc7\u5f00\u53d1\uff0c\u65e8\u5728\u6ee1\u8db3MHz\u8d85\u58f0\u6ce2\u6d4b\u91cf\u7684\u4e25\u683c\u8981\u6c42\u3002<\/p>\n

\u5dee\u5206\u819c\u6c34\u58f0\u4f20\u611f\u5668\u6a21\u578b\u9002\u7528\u4e8e\u6700\u82db\u523b\u7684\u3001\u5bbd\u5e26\u6d4b\u91cf\u573a\u5408\uff0c\u4f46\u9700\u8981\u6c34\u8d28\u975e\u5e38\u4f4e\u7684\u6c34\u73af\u5883\u3002<\/p>\n

\u5dee\u5206\u8f93\u5165\u524d\u7f6e \u653e\u5927\u5668<\/a>\u5d4c\u5165\u5728\u6c34\u58f0\u4f20\u611f\u5668\u73af\u4e2d\uff0c\u819c\u4e0a\u7684\u7535\u6781\u56fe\u6848\u7ecf\u8fc7\u91cd\u65b0\u8bbe\u8ba1\uff0c\u786e\u4fdd\u4e86\u4e0d\u5bf9\u79f0\u7535\u6781\u9762\u79ef\u3002\u7ed3\u679c\u662f\u4fe1\u566a\u6bd4\u5f97\u5230\u4e86\u6539\u5584\uff0c\u4f7f\u5f97\u57fa\u4e8e9 \u00b5m\u819c\u7684\u819c\u6c34\u58f0\u4f20\u611f\u5668\u80fd\u591f\u6d4b\u91cf\u8d85\u8fc7120 MHz\u7684\u8c10\u6ce2\u5206\u91cf\u3002<\/p>\n

UT\u578b\u819c\u6c34\u58f0\u4f20\u611f\u5668\u662f\u5728\u65e0\u6cd5\u4fdd\u8bc1\u6c34\u8d28\u7684\u5e7f\u5e26\u5bbd\u6d4b\u91cf\u4e2d\u7684\u9996\u9009\u4ea7\u54c1\u3002<\/p>\n

\u5b83\u4eec\u53ef\u4ee5\u5355\u72ec\u4f7f\u7528\uff0c\u4e5f\u53ef\u4ee5\u4e0ePrecision Acoustics\u7684 \u4fe1\u53f7\u653e\u5927\u5668<\/a>\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u51cf\u5c11\u566a\u58f0\u5e76\u5728\u5bbd\u5e26\u8303\u56f4\u5185\u6dfb\u52a0\u6709\u9650\u7684\u589e\u76ca\u3002\u5982\u679c\u9700\u8981\u989d\u5916\u7684\u589e\u76ca\uff0c\u819c\u6c34\u58f0\u4f20\u611f\u5668\u4e5f\u53ef\u4ee5\u4e0e \u6c34\u58f0\u4f20\u611f\u5668\u589e\u5f3a\u653e\u5927\u5668<\/a>\u914d\u5408\u4f7f\u7528\uff0c\u589e\u52a028 dB\u7684\u589e\u76ca\u3002<\/p>\n

—\u5dee\u5206\u819c 0.2 \u6beb\u7c73<\/a><\/strong><\/p>\n

\u7528\u4e8e\u9ad8\u9891 \u8d85\u58f0\u6ce2\u538b\u529b\u6d4b\u91cf<\/a>\uff0c\u5176\u4e2d\u6700\u5c0f\u5316\u7a7a\u95f4\u5e73\u5747\u662f\u91cd\u8981\u7684\uff0c\u63a8\u8350\u4f7f\u7528\u8fd9\u79cd\u819c\u7247\u3002<\/p>\n

\u6982\u8ff0<\/strong> 16 \u5fae\u7c73 0.2 \u6beb\u7c73\u819c\u6c34\u58f0\u4f20\u611f\u5668 \u2013 \u8ba2\u8d2d\u4ee3\u7801 D1602 12 \u5fae\u7c73 0.2 \u6beb\u7c73\u819c\u6c34\u58f0\u4f20\u611f\u5668 \u2013 \u8ba2\u8d2d\u4ee3\u7801 D1202 \u6b64\u6c34\u58f0\u4f20\u611f\u5668\u5fc5\u987b\u5728\u53bb\u79bb\u5b50\u6c34\u4e2d\u4f7f\u7528\u3002\u5b83\u914d\u5907\u4e86\u4e13\u7528\u7684\u7535\u6e90\u4f9b\u5e94\uff0c\u5e76\u5177\u670950 \u03a9 \u7684\u8f93\u51fa\u963b\u6297\u3002<\/p>\n

\u6280\u672f\u89c4\u683c<\/strong><\/p>\n

\n
\u8f93\u51fa\u963b\u6297\uff1a50 \u03a9<\/li>\n
\u4f20\u611f\u5668\u6750\u6599\uff1a\u5355\u5c4216\u621612 \u5fae\u7c73\u539a\u7684\u91d1\u8d28 PVdF<\/a>\u819c<\/li>\n
\u5b89\u88c5\u73af\u5c3a\u5bf8\uff1a\u76f4\u5f84100 \u6beb\u7c73\uff0c\u539a\u5ea610 \u6beb\u7c73<\/li>\n
\u819c\u76f4\u5f84\uff1a80 \u6beb\u7c73<\/li>\n
\u7535\u7f06\uff1a1.5 \u7c73\u957f\uff0c\u76f4\u5f845 \u6beb\u7c73\uff0c\u5b9a\u5236\u591a\u82af\u7535\u7f06\u548c\u8fde\u63a5\u5668\uff0c\u8fde\u63a5\u5230\u4e13\u7528\u7535\u6e90<\/li>\n
\u6d3b\u52a8\u4f20\u611f\u5668\u76f4\u5f84\uff1a0.2 \u6beb\u7c73<\/li>\n
\u5178\u578b\u7075\u654f\u5ea6\uff1a\u57282 MHz \u81f3 20 MHz \u8303\u56f4\u5185\u5e73\u5747\u4e3a150 \u6beb\u4f0f\/\u5146\u5e15\uff08D1602\uff09 \u57282 MHz \u81f3 20 MHz \u8303\u56f4\u5185\u5e73\u5747\u4e3a110 \u6beb\u4f0f\/\u5146\u5e15\uff08D1202\uff09<\/li>\n
\u7075\u654f\u5ea6\u516c\u5dee\uff1a\u4e2a\u522b\u819c\u7247\u4e4b\u95f4\u7684\u7075\u654f\u5ea6\u53d8\u5316\u7ea6\u4e3a\u00b13 dB<\/li>\n
\u5178\u578b\u9891\u7387\u54cd\u5e94\uff1a\u5e73\u5766\uff08\u00b12 dB\uff09\uff1a\u57281 MHz \u81f3 60 MHz \u8303\u56f4\u5185\u3002<\/li>\n<\/ul>\n
0.2 \u6beb\u7c73\u5dee\u5206\u819c\u6c34\u58f0\u4f20\u611f\u5668\u662fPrecision Acoustics\u6709\u9650\u516c\u53f8\u751f\u4ea7\u7684\u4e00\u7cfb\u5217\u819c\u6c34\u58f0\u4f20\u611f\u5668\u4e4b\u4e00\u3002\u5b83\u8bbe\u8ba1\u7528\u4e8e\u4e0e\u5176\u4e13\u7528\u7535\u6e90\u7ed3\u5408\u5f62\u6210 \u6c34\u58f0\u4f20\u611f\u5668\u7cfb\u7edf<\/a>\u3002\u672c\u6570\u636e\u8868\u4e2d\u62a5\u544a\u7684\u5c5e\u6027\u5747\u6307\u4e0e0.2 \u6beb\u7c73\u5dee\u5206\u819c\u6c34\u58f0\u4f20\u611f\u5668\u548c\u7535\u6e90\u7ed3\u5408\u7684\u6c34\u58f0\u4f20\u611f\u5668\u7cfb\u7edf\u7684\u5c5e\u6027\u3002\u6c34\u58f0\u4f20\u611f\u5668\u7684\u6d3b\u52a8\u5143\u4ef6\u5927\u5c0f\u5f71\u54cd\u591a\u79cd\u6027\u80fd\uff0c\u5305\u62ec\u7075\u654f\u5ea6\u3001\u9891\u7387\u54cd\u5e94\u3001\u65b9\u5411\u54cd\u5e94\u3001\u52a8\u6001\u8303\u56f4\u548c\u7b49\u6548\u566a\u58f0\u538b\u529b\u3002\u6b64\u6280\u672f\u6570\u636e\u8868\u7b26\u5408IEC 62127 \u2013 \u7b2c3\u90e8\u5206 [3] \u7684\u8981\u6c42\uff0c\u8be6\u7ec6\u8bf4\u660e\u4e860.2 \u6beb\u7c73\u5dee\u5206\u819c\u6c34\u58f0\u4f20\u611f\u5668\u7cfb\u7edf\u7684\u89c4\u683c\u30020.2 \u6beb\u7c73\u5dee\u5206\u819c\u6c34\u58f0\u4f20\u611f\u5668\u662f\u4e00\u79cd\u91d1\u6807\u51c6\u6d4b\u91cf\u8bbe\u5907\uff0c\u4e13\u4e3a\u57281.0 MHz \u5230 40 MHz\u9891\u7387\u8303\u56f4\u5185\u5e7f\u6cdb\u5e94\u7528\uff0c\u7279\u522b\u9002\u7528\u4e8e\u8bca\u65ad\u8d85\u58f0\u9886\u57df\uff0c\u63d0\u4f9b\u9ad8\u7075\u654f\u5ea6\u548c\u5bbd\u5e7f\u7684\u9891\u7387\u54cd\u5e94\u3002<\/p>\n
\u4ea7\u54c1\u63cf\u8ff0
\n0.2 \u6beb\u7c73\u5dee\u5206\u819c\u6c34\u58f0\u4f20\u611f\u5668\u662f\u4e00\u6b3e\u91d1\u6807\u51c6\u6c34\u58f0\u4f20\u611f\u5668\uff0c\u63d0\u4f9b\u4f18\u5f02\u7684\u7075\u654f\u5ea6\u3001\u9891\u7387\u54cd\u5e94\u3001\u65b9\u5411\u54cd\u5e94\u3001\u52a8\u6001\u8303\u56f4\u548c\u566a\u58f0\u7b49\u6548\u538b\u529b\uff0c\u9002\u7528\u4e8e1 MHz \u5230 60 MHz \u8303\u56f4\u5185\u7684\u6d4b\u91cf\u30020.2 \u6beb\u7c73\u7684\u6d3b\u52a8\u533a\u57df\u63d0\u4f9b\u8db3\u591f\u7684\u7075\u654f\u5ea6\uff0c\u53ef\u6d4b\u91cf\u7ea6\u4e3a3\u5343\u5e15\u7684\u4fe1\u53f7<\/p>\n
$\"\"$ <\/p>\n
$\"\"$ <\/p>\n
<\/p>\n
$\"\"$ <\/p>\n
<\/p>\n
—\u5dee\u5206\u819c 0.4 \u6beb\u7c73<\/a><\/strong><\/p>\n
\u5bf9\u4e8e\u9700\u8981\u5bbd\u5e26\u548c\u5e73\u6ed1\u9891\u7387\u54cd\u5e94\u7684MHz\u8d85\u58f0\u6ce2\u538b\u529b\u6d4b\u91cf\uff0c\u63a8\u8350\u4f7f\u7528\u8fd9\u6b3e\u6c34\u58f0\u4f20\u611f\u5668\u3002<\/p>\n
\u6982\u8ff0<\/strong> 16 \u5fae\u7c73 0.4 \u6beb\u7c73\u5dee\u5206\u819c\u6c34\u58f0\u4f20\u611f\u5668 \u2013 \u8ba2\u8d2d\u4ee3\u7801 D1604 \u8be5\u6c34\u58f0\u4f20\u611f\u5668\u914d\u5907\u4e86\u4e13\u7528\u7535\u6e90\uff0c\u5e76\u5177\u670950 \u03a9\u7684\u8f93\u51fa\u963b\u6297\u3002<\/p>\n
\u6280\u672f\u89c4\u683c<\/strong><\/p>\n
\n
\u8f93\u51fa\u963b\u6297\uff1a50 \u03a9<\/li>\n
\u4f20\u611f\u5668\u6750\u6599\uff1a\u5355\u5c4216 \u5fae\u7c73\u539a\u7684\u91d1\u8d28PVdF\u819c<\/li>\n
\u5b89\u88c5\u73af\u5c3a\u5bf8\uff1a\u76f4\u5f84100 \u6beb\u7c73\uff0c\u539a\u5ea610 \u6beb\u7c73<\/li>\n
\u819c\u76f4\u5f84\uff1a80 \u6beb\u7c73<\/li>\n
\u7535\u7f06\uff1a1.5 \u7c73\u957f\uff0c\u76f4\u5f845 \u6beb\u7c73\uff0c\u5b9a\u5236\u591a\u82af\u7535\u7f06\u548c\u8fde\u63a5\u5668\uff0c\u8fde\u63a5\u5230\u4e13\u7528\u7535\u6e90<\/li>\n
\u6d3b\u52a8\u4f20\u611f\u5668\u76f4\u5f84\uff1a0.4 \u6beb\u7c73<\/li>\n
\u5178\u578b\u7075\u654f\u5ea6\uff1a\u57282 MHz \u5230 20 MHz \u8303\u56f4\u5185\u5e73\u5747\u4e3a340 \u6beb\u4f0f\/\u5146\u5e15<\/li>\n
\u7075\u654f\u5ea6\u516c\u5dee\uff1a\u4e2a\u522b\u819c\u7247\u4e4b\u95f4\u7684\u7075\u654f\u5ea6\u53d8\u5316\u7ea6\u4e3a\u00b13 dB<\/li>\n
\u5178\u578b\u9891\u7387\u54cd\u5e94\uff1a\u5e73\u5766\uff08\u00b12 dB\uff09\uff1a\u57281 MHz \u5230 30 MHz \u8303\u56f4\u5185\u3002\u7531\u4e8e\u6b64\u6c34\u58f0\u4f20\u611f\u5668\u7b26\u5408IEC\u6807\u51c6\uff0c\u4e0d\u9700\u8981\u201c\u5e73\u5766\u5316\u201d\u653e\u5927\u5668<\/li>\n<\/ul>\n
$\"PRECISION$
PRECISION ACOUSTICS,PA,D1602,D1202,D1604,\u819c\u6c34\u58f0\u4f20\u611f\u5668<\/figcaption><\/figure>\n
https:\/\/www.bihec.com\/acoustics\/D1602,D1202,D1604\/<\/a><\/p>\n
D1202<\/a>\n D1602<\/a>\n D1604<\/a>\n PA<\/a>\n Precision Acoustics<\/a>\n \u5dee\u5206\u819c 0.2 \u6beb\u7c73<\/a>\n \u5dee\u5206\u819c 0.4 \u6beb\u7c73<\/a>\n \u819c\u6c34\u58f0\u4f20\u611f\u5668<\/a><\/div>","protected":false},"excerpt":{"rendered":"
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