{"id":438,"date":"2026-10-28T10:49:14","date_gmt":"2026-10-28T02:49:14","guid":{"rendered":"https:\/\/www.bihec.com\/precisionacousticsproducts\/?p=438"},"modified":"2026-10-28T10:49:14","modified_gmt":"2026-10-28T02:49:14","slug":"%e5%bd%93%e9%a2%91%e7%8e%87%e8%b7%a8%e8%bf%87-40-mhz%ef%bc%8c0-075-mm-%e7%9a%84%e6%8e%a2%e5%a4%b4%e4%b9%9f%e5%bc%80%e5%a7%8b%e7%9c%8b%e4%b8%8d%e6%b8%85%e4%ba%86%ef%bc%9aprecision-aco","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/precisionacousticsproducts\/%e5%bd%93%e9%a2%91%e7%8e%87%e8%b7%a8%e8%bf%87-40-mhz%ef%bc%8c0-075-mm-%e7%9a%84%e6%8e%a2%e5%a4%b4%e4%b9%9f%e5%bc%80%e5%a7%8b%e7%9c%8b%e4%b8%8d%e6%b8%85%e4%ba%86%ef%bc%9aprecision-aco\/","title":{"rendered":"\u5f53\u9891\u7387\u8de8\u8fc7 40 MHz\uff0c0.075 mm \u7684\u63a2\u5934\u4e5f\u5f00\u59cb\u201c\u770b\u4e0d\u6e05\u201d\u4e86\uff1aPrecision Acoustics 40 \u5fae\u7c73\u9488\u5f0f\u6c34\u542c\u5668\u7684\u4e0d\u53ef\u66ff\u4ee3\u6027"},"content":{"rendered":"

\u5728\u4e4b\u524d\u5173\u4e8e 0.075 mm \u9488\u5f0f\u6c34\u542c\u5668<\/a>\u7684\u8ba8\u8bba\u4e2d\uff0c\u4e00\u4e2a\u6838\u5fc3\u5224\u65ad\u662f\uff1a\u6709\u6e90\u5143\u4ef6\u5c3a\u5bf8\u9700\u8981\u5728\u9ad8\u9891\u4e0b\u8fdc\u5c0f\u4e8e\u58f0\u573a\u7279\u5f81\u5c3a\u5ea6\uff0c\u624d\u80fd\u904f\u5236\u7a7a\u95f4\u5e73\u5747\u5bf9\u5cf0\u503c\u548c\u68af\u5ea6\u7684\u201c\u6d82\u62b9\u201d\u3002\u4f46\u5f53\u5de5\u4f5c\u9891\u7387\u7ee7\u7eed\u4e0a\u63a2\u5230 <\/span>40 MHz \u4ee5\u4e0a<\/span><\/strong>\uff0c\u8fd9\u4e2a\u4e0d\u7b49\u5f0f\u4f1a\u91cd\u65b0\u53d8\u5f97\u7d27\u5f20\u2014\u20140.075 mm \u7684\u63a2\u5934\u5728 40 MHz \u4e0b\u5bf9\u5e94\u7684\u5f52\u4e00\u5316\u5c3a\u5bf8\u5df2\u4e0d\u518d\u201c\u8fdc\u5c0f\u4e8e\u201d\u6ce2\u957f\uff0c\u7a7a\u95f4\u5e73\u5747\u7684\u4ee3\u4ef7\u91cd\u65b0\u62ac\u5934\u3002<\/span><\/p>\n

Precision Acoustics<\/a> \u7684 <\/span>0.04 mm \u9488\u5f0f\u6c34\u542c\u5668<\/a>\uff08NH0040\uff0c40 \u5fae\u7c73\uff09<\/span><\/strong>\uff0c\u6b63\u662f\u4e3a\u8de8\u8fc7\u8fd9\u6761\u7ebf\u800c\u5b58\u5728\u7684\u5de5\u5177\u3002\u5b98\u65b9\u7684\u5b9a\u4f4d\u53ea\u6709\u4e00\u53e5\u8bdd\uff0c\u5374\u5212\u51fa\u4e86\u4e00\u6761\u6e05\u6670\u7684\u8fb9\u754c\uff1a<\/span>\u201c\u63a8\u8350\u7528\u4e8e 40 MHz \u4ee5\u4e0a\u9ad8\u538b\u573a\u7684\u6d4b\u91cf\u201d<\/span><\/strong>\u3002\u5b83\u4e0d\u662f\u5728 0.075 mm \u578b\u53f7\u4e0a\u505a\u4e00\u6b21\u5e38\u89c4\u7684\u5c3a\u5bf8\u5fae\u8c03\uff0c\u800c\u662f\u5728 40 MHz \u53ca\u4ee5\u4e0a\u9891\u6bb5\uff0c\u4e3a\u201c\u7a7a\u95f4\u4fdd\u771f\u4f18\u5148\u4e8e\u7075\u654f\u5ea6<\/a>\u201d\u8fd9\u4e00\u539f\u5219\u63d0\u4f9b\u76ee\u524d\u9488\u5f0f\u7ed3\u6784\u4e2d\u51e0\u4e4e\u552f\u4e00\u53ef\u884c\u7684\u5de5\u7a0b\u89e3\u3002<\/span><\/p>\n

\u7075\u654f\u5ea6\u66f4\u4f4e\uff0c\u6070\u6070\u662f\u5b83\u5b58\u5728\u7684\u7406\u7531<\/span><\/strong><\/p>\n

\u5148\u770b\u6700\u5bb9\u6613\u88ab\u8bef\u8bfb\u7684\u4e00\u9879\u89c4\u683c\uff1a<\/span>\u5178\u578b\u63a2\u5934\u7075\u654f\u5ea6 6 nV\/Pa<\/span><\/strong>\uff08\u7b49\u6548 <\/span>\u2212284.4 dB re 1 V\/\u03bcPa<\/span><\/strong>\uff09\uff0c\u5728 2 MHz\u201312 MHz \u8303\u56f4\u5185\u5e73\u5747\uff0c\u4e8e\u6b63\u786e\u7aef\u63a5\u7684 HP1 \u6f5c\u6c34\u524d\u7f6e\u653e\u5927\u5668<\/a>\u8f93\u51fa\u7aef\u6d4b\u91cf<\/span>\u3002\u4e0e 0.075 mm \u578b\u53f7\u7684 10 nV\/Pa \u76f8\u6bd4\uff0cNH0040 \u7684\u7075\u654f\u5ea6\u53c8\u4f4e\u4e86\u7ea6 4.4 dB\u3002\u5728\u5e38\u89c4\u58f0\u538b\u91cf\u7ea7\u4e0b\uff0c\u8fd9\u542c\u8d77\u6765\u50cf\u662f\u4e00\u4e2a\u9000\u6b65\u3002<\/span><\/p>\n

\u4f46\u8fd9\u7ec4\u6570\u5b57\u5fc5\u987b\u548c\u5b83\u7684\u63a8\u8350\u9891\u6bb5\u653e\u5728\u4e00\u8d77\u8bfb\u3002\u5728 40 MHz \u4ee5\u4e0a\u7684\u9ad8\u538b\u573a\u4e2d\uff0c\u58f0\u538b\u672c\u8eab\u5904\u4e8e\u9ad8\u4f4d\uff0c\u7cfb\u7edf\u9762\u4e34\u7684\u9996\u8981\u77db\u76fe\u4ece\u6765\u4e0d\u662f\u201c\u4fe1\u53f7\u4e0d\u591f\u5927\u201d\uff0c\u800c\u662f <\/span>\u201c\u611f\u6d4b\u9762\u662f\u5426\u5c0f\u5230\u8db3\u4ee5\u5206\u8fa8\u5c40\u90e8\u5cf0\u503c\u201d<\/span><\/strong> \u300240 \u03bcm \u7684\u6709\u6e90\u76f4\u5f84\u610f\u5473\u7740\uff0c\u5728 40 MHz \u4e0b\u8be5\u5c3a\u5bf8\u4ecd\u5904\u4e8e\u6c34\u4e2d\u58f0\u6ce2\u534a\u6ce2\u957f\u7684\u91cf\u7ea7\u9644\u8fd1\uff0c\u4f7f\u4f20\u611f\u5668\u80fd\u591f\u5728\u9ad8\u9891\u573a\u4e2d\u4fdd\u6301\u5bf9\u5c40\u90e8\u538b\u529b\u68af\u5ea6\u7684\u5206\u8fa8\u80fd\u529b\uff0c\u800c\u4e0d\u662f\u5c06\u9661\u5ced\u7684\u5cf0\u503c\u201c\u5e73\u5747\u201d\u6210\u4e00\u4e2a\u5e73\u7f13\u7684\u8bfb\u6570\u3002\u76f8\u5173\u6280\u672f\u8d44\u6599\u4e5f\u660e\u786e\u6307\u51fa\uff0c\u8be5\u63a2\u5934\u5bf9 <\/span>5 MHz \u81f3 40 MHz<\/span><\/strong> \u8303\u56f4\u7684\u6d4b\u91cf\u8fdb\u884c\u4e86\u4f18\u5316\uff0c<\/span>\u6781\u5c0f\u7684\u6709\u6548\u9762\u79ef\u786e\u4fdd\u4e86\u6700\u5c0f\u7684\u7a7a\u95f4\u5e73\u5747\u6548\u5e94<\/span><\/strong>\u3002<\/span><\/p>\n

\u4f4e\u7075\u654f\u5ea6\u662f\u8fd9\u4e2a\u5c3a\u5bf8\u9009\u62e9\u7684<\/span>\u76f4\u63a5\u4ee3\u4ef7\uff0c\u800c\u975e\u8bbe\u8ba1\u7f3a\u9677<\/span><\/strong>\u3002\u5b83\u8981\u6c42\u4f7f\u7528\u8005\u4ee5\u7cfb\u7edf\u7ea7\u7684\u601d\u7ef4\u6765\u8865\u507f\uff1a\u5339\u914d\u7684\u524d\u7f6e\u653e\u5927\u5668\u3001\u5fc5\u8981\u65f6\u542f\u7528\u5347\u538b\u653e\u5927\u5668\uff0c\u6216\u8005\u5728\u4fe1\u53f7\u6761\u4ef6\u5141\u8bb8\u65f6\u63a5\u53d7\u66f4\u957f\u7684\u5e73\u5747\u65f6\u95f4\u3002\u4f46\u5bf9\u4e8e\u4ee5\u201c\u770b\u6e05\u5cf0\u503c\u201d\u4e3a\u7b2c\u4e00\u8bc9\u6c42\u7684\u9ad8\u9891\u9ad8\u538b\u6d4b\u91cf\u800c\u8a00\uff0c\u7528\u7075\u654f\u5ea6\u6362\u7a7a\u95f4\u4fdd\u771f\uff0c\u662f\u552f\u4e00\u5408\u7406\u7684\u65b9\u5411\u3002<\/span><\/p>\n

\u89c4\u683c\u80cc\u540e\u7684\u5de5\u7a0b\u903b\u8f91\uff1a\u7a84\u5e73\u5766\u533a\u95f4\u7684\u542b\u4e49<\/span><\/strong><\/p>\n

NH0040 \u7684\u9891\u7387\u54cd\u5e94\u6570\u636e\u9700\u8981\u4ed4\u7ec6\u62c6\u89e3\u3002<\/span>\u5e73\u5766\u5ea6 \u00b12 dB \u8986\u76d6 5 MHz\u201315 MHz<\/span><\/strong>\uff0c<\/span>\u00b14 dB \u8986\u76d6 1 MHz\u2013>30 MHz<\/span><\/strong>\uff0c\u6700\u4f4e\u6821\u51c6\u9891\u7387\u4e3a <\/span>1 MHz<\/span><\/strong>\u3002\u8868\u9762\u4e0a\u770b\uff0c\u00b12 dB \u7684\u7a84\u5e26\u533a\u95f4\u4e0e\u201c40 MHz \u4ee5\u4e0a\u201d\u7684\u63a8\u8350\u573a\u666f\u4f3c\u4e4e\u5b58\u5728\u5f20\u529b\u3002\u4f46\u8fd9\u6070\u6070\u662f\u7406\u89e3\u8fd9\u6b3e\u63a2\u5934\u5b9a\u4f4d\u7684\u5173\u952e\uff1a\u00b12 dB \u533a\u95f4\u6807\u6ce8\u7684\u662f\u5e45\u9891\u4e00\u81f4\u6027\u6700\u4e25\u683c\u7684\u9891\u6bb5\uff1b\u800c\u5728 <\/span>40 MHz \u4ee5\u4e0a<\/span><\/strong>\u7684\u9ad8\u538b\u6d4b\u91cf\u4e2d\uff0c\u7528\u6237\u7684\u6838\u5fc3\u9700\u6c42\u662f<\/span>\u4e0d\u4e22\u5931\u7a7a\u95f4\u5cf0\u503c\u4fe1\u606f<\/span><\/strong>\uff0c\u5e45\u9891\u5e73\u5766\u5ea6\u7684\u91cd\u8981\u6027\u548c\u53ef\u6821\u6b63\u6027\u90fd\u8ba9\u4f4d\u4e8e\u7a7a\u95f4\u4fdd\u771f\u5ea6\u3002\u4e00\u4e2a\u5728 40 MHz \u4ee5\u4e0a\u4ecd\u80fd\u4fdd\u6301\u53ef\u89e3\u8bfb\u54cd\u5e94\u7684 40 \u03bcm \u611f\u6d4b\u9762\uff0c\u5176\u4ef7\u503c\u4e0d\u80fd\u7528 \u00b12 dB \u533a\u95f4\u7684\u5bbd\u7a84\u6765\u8861\u91cf\u3002<\/span><\/p>\n

\u5728\u516c\u5f00\u53d1\u8868\u7684\u9ad8\u9891\u58f0\u573a\u8868\u5f81\u7814\u7a76\u4e2d\uff0cNH0040 \u5df2\u88ab\u7528\u4f5c\u6838\u5fc3\u63a5\u6536\u5668\u3002\u4f8b\u5982\u5728\u5149\u58f0\u8d85\u58f0\uff08OBUS\uff09\u5668\u4ef6\u7684\u58f0\u538b\u6ce2\u5f62\u4e0e\u7a7a\u95f4\u5206\u5e03\u6d4b\u91cf\u4e2d\uff0c\u7814\u7a76\u7cfb\u7edf\u7531 <\/span>NH0040 \u63a2\u5934\u3001\u6f5c\u6c34\u524d\u7f6e\u653e\u5927\u5668\u548c DC coupler<\/span><\/strong> \u6784\u6210\uff0c\u5e76\u8fdb\u4e00\u6b65\u7ecf\u8109\u51b2<\/a>\u63a5\u6536\u5668\u653e\u5927\u540e\u91c7\u96c6\uff0c\u7528\u4e8e\u83b7\u53d6\u4e0d\u540c\u53c2\u6570\u6837\u54c1\u7684\u6ce2\u5f62\u4e0e\u538b\u529b\u6570\u636e\uff0c\u4ee5\u53ca\u4e09\u7ef4\u7a7a\u95f4\u58f0\u573a\u8f6e\u5ed3<\/span>\u3002\u53e6\u4e00\u9879\u5de5\u4f5c\u5219\u660e\u786e\u4f7f\u7528\u76f4\u5f84 <\/span>40 \u03bcm<\/span><\/strong> \u7684 PA<\/a> NH0040 \u8fdb\u884c\u7cbe\u5bc6\u58f0\u573a\u626b\u63cf<\/span>\u3002\u8fd9\u4e9b\u5e94\u7528\u573a\u666f\u7684\u5171\u540c\u7279\u5f81\u662f\uff1a\u9891\u7387\u9ad8\u3001\u7a7a\u95f4\u68af\u5ea6\u9661\uff0c\u5e38\u89c4\u5c3a\u5bf8\u63a2\u5934\u7684\u7a7a\u95f4\u5e73\u5747\u504f\u5dee\u5df2\u4e0d\u53ef\u5ffd\u7565\u3002<\/span><\/p>\n

\u5176\u4ed6\u5173\u952e\u89c4\u683c\u5305\u62ec\uff1a\u8f93\u51fa\u963b\u6297 <\/span>14 \u00b1 2 pF<\/span><\/strong>\uff1b\u4f20\u611f\u6750\u6599\u4e3a <\/span>9 \u5fae\u7c73\u539a\u91d1\u7535\u6781\u5316 PVdF \u8584\u819c<\/span><\/strong>\uff1b\u6709\u6e90\u5143\u4ef6\u4e3a <\/span>\u76f4\u5f84 0.04 mm \u7684\u5706\u76d8<\/span><\/strong>\uff1b\u4e2a\u4f53\u95f4\u7075\u654f\u5ea6\u79bb\u6563\u7ea6 <\/span>\u00b13 dB<\/span><\/strong>\u3002\u6240\u6709\u63a2\u5934\u5747\u4e3a\u624b\u5de5\u5236\u4f5c\uff0c\u5b9e\u9645\u5c3a\u5bf8\u5b58\u5728\u6b63\u5e38\u4e2a\u4f53\u5dee\u5f02\uff0c\u82e5\u5177\u4f53\u5c3a\u5bf8\u5bf9\u5de5\u4f5c\u5173\u952e\uff0c\u8ba2\u8d2d\u524d\u9700\u786e\u8ba4<\/span>\u3002<\/span><\/p>\n

NH0040 \u6280\u672f\u89c4\u683c\u4e00\u89c8<\/span><\/strong><\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u89c4\u683c\u9879<\/span><\/th>\n\u53c2\u6570<\/span><\/th>\n<\/tr>\n<\/thead>\n
\u578b\u53f7 \/ \u8ba2\u5355\u4ee3\u7801<\/span><\/td>\nNH0040<\/span><\/strong>\uff080.04 mm needle hydrophone<\/a>\uff09<\/span><\/td>\n<\/tr>\n
\u5b98\u65b9\u63a8\u8350\u573a\u666f<\/span><\/td>\n40 MHz \u4ee5\u4e0a\u9ad8\u538b\u573a\u6d4b\u91cf<\/a><\/span><\/strong><\/td>\n<\/tr>\n
\u6709\u6e90\u5143\u4ef6\u5c3a\u5bf8<\/span><\/td>\n\u76f4\u5f84 0.04 mm\uff0840 \u03bcm\uff09\u5706\u76d8<\/span><\/strong><\/td>\n<\/tr>\n
\u4f20\u611f\u5668\u6750\u6599<\/span><\/td>\n9 \u03bcm<\/span><\/strong> \u539a\u91d1\u7535\u6781\u5316 PVdF \u8584\u819c<\/span><\/td>\n<\/tr>\n
\u8f93\u51fa\u963b\u6297<\/span><\/td>\n14 \u00b1 2 pF<\/span><\/strong><\/td>\n<\/tr>\n
\u5178\u578b\u63a2\u5934\u7075\u654f\u5ea6<\/span><\/td>\n6 nV\/Pa<\/span><\/strong>\uff08\u2248 <\/span>\u2212284.4 dB re 1 V\/\u03bcPa<\/span><\/strong>\uff09\uff0c2\u201312 MHz \u5e73\u5747<\/span><\/td>\n<\/tr>\n
\u7075\u654f\u5ea6\u4e2a\u4f53\u5bb9\u5dee<\/span><\/td>\n\u7ea6 <\/span>\u00b13 dB<\/span><\/strong><\/td>\n<\/tr>\n
\u9891\u7387\u54cd\u5e94\uff08\u00b12 dB\uff09<\/span><\/td>\n5 MHz \u2013 15 MHz<\/span><\/strong><\/td>\n<\/tr>\n
\u9891\u7387\u54cd\u5e94\uff08\u00b14 dB\uff09<\/span><\/td>\n1 MHz \u2013 >30 MHz<\/span><\/strong><\/td>\n<\/tr>\n
\u6700\u4f4e\u6821\u51c6\u9891\u7387<\/span><\/td>\n1 MHz<\/span><\/strong><\/td>\n<\/tr>\n
\u4f18\u5316\u6d4b\u91cf\u8303\u56f4\uff08\u6280\u672f\u8d44\u6599\uff09<\/span><\/td>\n5 MHz \u2013 40 MHz<\/span><\/strong><\/td>\n<\/tr>\n
\u7a7a\u95f4\u5e73\u5747\u7279\u6027<\/span><\/td>\n\u6781\u5c0f\u6709\u6548\u9762\u79ef\uff0c<\/span>\u6700\u5c0f\u5316\u7a7a\u95f4\u5e73\u5747\u6548\u5e94<\/span><\/strong><\/td>\n<\/tr>\n
\u7cfb\u7edf\u6784\u6210<\/span><\/td>\n\u63a2\u5934 + \u6f5c\u6c34\u524d\u7f6e\u653e\u5927\u5668 + DC coupler \u5171\u540c\u6784\u6210\u5b8c\u6574\u6d4b\u91cf\u94fe\u8def<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u89c4\u683c\u4ee5\u5b98\u65b9\u4ea7\u54c1\u9875\u9762\u4e3a\u51c6\uff1b\u624b\u5de5\u827a\u5236\u9020\u5e26\u6765\u7684\u4e2a\u4f53\u5dee\u5f02\u5c5e\u6b63\u5e38\u8303\u56f4\uff0c\u4ea4\u4ed8\u65f6\u4ee5\u968f\u9644\u6821\u51c6\u6570\u636e\u4e3a\u6700\u7ec8\u4f9d\u636e\u3002<\/span><\/em><\/p>\n

\u7cfb\u7edf\u96c6\u6210\uff1a\u4f4e\u7075\u654f\u5ea6\u610f\u5473\u7740\u94fe\u8def\u4e2d\u6ca1\u6709\u4efb\u4f55\u4e00\u4e2a\u73af\u8282\u53ef\u4ee5\u88ab\u201c\u968f\u4fbf\u66ff\u4ee3\u201d<\/span><\/strong><\/p>\n

NH0040 \u7684\u7cfb\u7edf\u5c5e\u6027\u6bd4\u5927\u5c3a\u5bf8\u63a2\u5934\u66f4\u5f3a\uff0c\u56e0\u4e3a\u5b83\u7684\u7075\u654f\u5ea6\u5bb9\u9519\u7a7a\u95f4\u66f4\u5c0f\u3002Precision Acoustics \u9488\u5f0f\u6c34\u542c\u5668\u7cfb\u7edf\u7684\u6807\u51c6\u67b6\u6784\u662f <\/span>\u53ef\u4e92\u6362\u63a2\u5934 \u2192 \u6f5c\u6c34\u524d\u7f6e\u653e\u5927\u5668 \u2192 DC coupler<\/span><\/strong>\uff0c\u524d\u7f6e\u653e\u5927\u5668\u63d0\u4f9b <\/span>50 \u03a9 \u8f93\u51fa\u963b\u6297<\/span><\/strong>\u548c\u6807\u79f0 <\/span>8 dB<\/span><\/strong> \u7535\u538b\u589e\u76ca\uff0c\u4ee5\u7f13\u51b2\u9ad8\u963b\u6297\u63a2\u5934\u4fe1\u53f7\u5e76\u964d\u4f4e\u5bf9\u7535\u78c1\u5e72\u6270\u7684\u654f\u611f\u6027<\/span>\u3002\u5bf9\u4e8e NH0040 \u8fd9\u6837\u7075\u654f\u5ea6\u4ec5 6 nV\/Pa \u7684\u63a2\u5934\uff0c\u524d\u7f6e\u653e\u5927\u5668\u7684\u5339\u914d\u72b6\u6001\u548c DC coupler \u7684\u4f9b\u7535\u7eaf\u51c0\u5ea6\u5bf9\u6700\u7ec8\u4fe1\u566a\u6bd4\u7684\u5f71\u54cd\uff0c\u6bd4\u5728 2.0 mm \u6216 0.075 mm \u578b\u53f7\u4e0a\u66f4\u4e3a\u76f4\u63a5\u3002<\/span><\/p>\n

\u5982\u679c\u5b9e\u9645\u58f0\u538b\u91cf\u7ea7\u4f7f\u524d\u7f6e\u653e\u5927\u5668\u8f93\u51fa\u4ecd\u7136\u504f\u4f4e\uff0c\u5b98\u65b9\u7cfb\u7edf\u63d0\u4f9b\u53ef\u9009\u7684<\/span>\u6c34\u542c\u5668\u5347\u538b\u653e\u5927\u5668<\/span><\/strong>\uff0c\u989d\u5916\u589e\u76ca\u81f3\u5c11 <\/span>28 dB<\/span><\/strong>\u3002\u8fd9\u4e00\u9009\u9879\u5728 NH0040 \u7684\u914d\u7f6e\u4e2d\u9700\u8981\u88ab\u66f4\u79ef\u6781\u5730\u7eb3\u5165\u8003\u91cf\uff0c\u56e0\u4e3a\u5b83\u662f\u5728\u4e0d\u727a\u7272\u7a7a\u95f4\u5206\u8fa8\u7387<\/a>\u7684\u524d\u63d0\u4e0b\uff0c\u628a 40 \u03bcm \u611f\u6d4b\u9762\u6355\u83b7\u7684\u5fae\u5f31\u4fe1\u53f7\u63d0\u5347\u5230\u53ef\u91c7\u96c6\u6c34\u5e73\u7684\u5408\u7406\u9014\u5f84\u3002<\/span><\/p>\n

\u53cd\u8fc7\u6765\uff0c\u5982\u679c\u5de5\u4f5c\u573a\u666f\u540c\u65f6\u5305\u542b\u6781\u9ad8\u58f0\u538b\uff0c\u5219\u9700\u8981\u786e\u8ba4\u524d\u7f6e\u653e\u5927\u5668\u662f\u5426\u9762\u4e34\u8fc7\u8f7d\u98ce\u9669\u3002\u6b64\u65f6 20 dB \u5728\u7ebf\u8870\u51cf\u5668\u7684\u63d2\u5165\u70b9\uff08\u63a2\u5934\u4e0e\u524d\u7f6e\u653e\u5927\u5668\u4e4b\u95f4\uff09\u540c\u6837\u9002\u7528\u4e8e NH0040 \u7cfb\u7edf\uff0c\u7528\u4ee5\u5c06\u8fdb\u5165\u653e\u5927\u7ea7\u7684\u4fe1\u53f7\u63a7\u5236\u5728 <\/span>700 mV pk\u2013pk<\/span><\/strong> \u7684\u7ebf\u6027\u8303\u56f4\u4e4b\u5185\uff0c\u9632\u6b62\u9ad8\u9891\u9ad8\u538b\u573a\u4e2d\u7684\u5cf0\u503c\u4fe1\u606f\u5728\u4fe1\u53f7\u94fe\u7b2c\u4e00\u7ea7\u5c31\u88ab\u524a\u9876\u3002<\/span><\/p>\n

\u4f7f\u7528\u4e0e\u7ef4\u62a4\uff1a40 \u03bcm \u63a2\u5934\u5bf9\u64cd\u4f5c\u89c4\u8303\u6ca1\u6709\u201c\u5bbd\u5bb9\u4f59\u91cf\u201d<\/span><\/strong><\/p>\n

\u6709\u6e90\u5143\u4ef6\u8d8a\u5c0f\uff0c\u63a2\u5934\u5c16\u7aef\u5bf9\u7269\u7406\u63a5\u89e6\u548c\u5316\u5b66\u4f5c\u7528\u7684\u8010\u53d7\u9608\u503c\u4e5f\u8d8a\u4f4e\u3002\u5b98\u65b9\u7684\u64cd\u4f5c\u89c4\u8303\u9002\u7528\u4e8e\u5168\u7cfb\u9488\u5f0f\u6c34\u542c\u5668\uff0c\u4f46\u5728 NH0040 \u4e0a\u6267\u884c\u65f6\u51e0\u4e4e\u6ca1\u6709\u6298\u6263\u7a7a\u95f4\uff1a<\/span>\u4f7f\u7528\u524d\u5728\u6c34\u4e2d\u6d78\u6ce1 1 \u5c0f\u65f6<\/span><\/strong>\u4f7f\u8f93\u51fa\u7a33\u5b9a<\/a>\uff1b\u4f7f\u7528\u540e\u5c3d\u5feb\u53d6\u51fa\uff0c\u82e5\u6d78\u6ce1\u8d85\u8fc7 24 \u5c0f\u65f6\u5e94\u5c3d\u65e9\u5e72\u71e5\uff1b<\/span>\u4ee5\u84b8\u998f\u6c34\u51b2\u6d17\u5c16\u7aef\u540e\u98ce\u5e72\uff0c\u6216\u7f6e\u4e8e\u4e0d\u8d85\u8fc7 50 \u00b0C \u7684\u6e29\u7bb1\u4e2d\uff1b\u4e0d\u5f97\u89e6\u78b0\u63a2\u5934\u5c16\u7aef<\/span><\/strong>\u3002PVdF \u5bf9\u90e8\u5206\u5316\u5b66\u54c1\u654f\u611f\uff0c\u5728\u84d6\u9ebb\u6cb9\u6216\u77ff\u7269\u6cb9\u4e2d\u4f7f\u7528\u524d\u5e94\u786e\u8ba4\u517c\u5bb9\u6027\u3002\u8fd9\u4e9b\u6b65\u9aa4\u770b\u4f3c\u7410\u788e\uff0c\u4f46\u5bf9\u4e8e\u4e00\u652f\u611f\u6d4b\u9762\u4ec5 40 \u03bcm \u7684\u63a2\u5934\u800c\u8a00\uff0c\u4e00\u6b21\u4e0d\u7ecf\u610f\u7684\u89e6\u78b0\u5c31\u53ef\u80fd\u6539\u53d8\u5c16\u7aef\u51e0\u4f55\uff0c\u8fdb\u800c\u5f71\u54cd\u5176\u7a7a\u95f4\u54cd\u5e94\u548c\u6821\u51c6\u6709\u6548\u6027\u3002<\/span><\/p>\n

\u9009\u578b\u5224\u65ad\uff1a\u5b83\u4e0d\u9002\u5408\u201c\u987a\u624b\u5347\u7ea7\u201d\uff0c\u53ea\u9002\u5408\u201c\u573a\u666f\u5339\u914d\u201d<\/span><\/strong><\/p>\n

\u5982\u679c\u4f60\u7684\u5de5\u4f5c\u9891\u7387\u4e3b\u4f53\u5728 <\/span>40 MHz \u4ee5\u4e0a<\/span><\/strong>\uff0c\u4e14\u58f0\u538b\u91cf\u7ea7\u8db3\u4ee5\u8ba9\u7a7a\u95f4\u5e73\u5747\u6210\u4e3a\u6570\u636e\u6709\u6548\u6027\u7684\u4e3b\u8981\u5a01\u80c1\u2014\u2014\u4f8b\u5982\u8d85\u9ad8\u9891\u8d85\u58f0\u6362\u80fd\u5668<\/a>\u8868\u5f81\u3001\u9ad8\u9891\u5149\u58f0\/\u6fc0\u5149\u8d85\u58f0\u58f0\u573a\u626b\u63cf\u3001\u4ee5\u53ca\u4efb\u4f55\u58f0\u573a\u7279\u5f81\u5c3a\u5ea6\u5df2\u903c\u8fd1\u6216\u5c0f\u4e8e 0.075 mm \u63a2\u5934\u6709\u6548\u611f\u6d4b\u9762\u7684\u573a\u666f\u2014\u2014NH0040 \u63d0\u4f9b\u7684\u662f 0.075 mm \u578b\u53f7\u5728\u66f4\u9ad8\u9891\u6bb5\u65e0\u6cd5\u7ee7\u7eed\u5151\u73b0\u7684\u90a3\u4e00\u90e8\u5206<\/span>\u7a7a\u95f4\u4fdd\u771f\u5ea6<\/span><\/strong>\u3002\u5b83\u7684\u4f4e\u7075\u654f\u5ea6\u9700\u8981\u88ab\u6b63\u89c6\uff0c\u4e5f\u9700\u8981\u88ab\u7cfb\u7edf\u7ea7\u65b9\u6848\u8865\u507f\uff0c\u4f46\u8fd9\u662f\u201c\u770b\u6e05\u9ad8\u9891\u573a\u201d\u6240\u5fc5\u987b\u652f\u4ed8\u7684\u5bf9\u4ef7\u3002<\/span><\/p>\n

\u5982\u679c\u4f60\u7684\u4e3b\u4f53\u9891\u6bb5\u5728 <\/span>5\u201340 MHz \u4e4b\u95f4<\/span><\/strong>\uff0c0.075 mm \u578b\u53f7\u5728\u7075\u654f\u5ea6\u4e0e\u7a7a\u95f4\u5206\u8fa8\u7387\u4e4b\u95f4\u7ed9\u51fa\u4e86\u66f4\u5bbd\u5bb9\u7684\u5e73\u8861\u70b9\uff0c\u4e0d\u5fc5\u4e3a\u5076\u5c14\u89e6\u53ca 40 MHz \u4ee5\u4e0a\u7684\u6d4b\u91cf\u800c\u5168\u7a0b\u627f\u62c5 40 \u03bcm \u63a2\u5934\u5e26\u6765\u7684\u4fe1\u566a\u6bd4\u538b\u529b\u3002\u5982\u679c\u4f60\u7684\u4e3b\u4f53\u9891\u6bb5\u5728 <\/span>\u6570 MHz \u4ee5\u4e0b\u4e14\u4fe1\u53f7\u5fae\u5f31<\/span><\/strong>\uff0c2.0 mm \u578b\u53f7\u7684\u7075\u654f\u5ea6\u4f18\u52bf\u5219\u66f4\u4e3a\u76f4\u63a5\u3002<\/span><\/p>\n

\u6211\u4eec\u4f5c\u4e3a\u4ee3\u7406\u5728\u914d\u7f6e NH0040 \u65b9\u6848\u65f6\uff0c\u4f1a\u91cd\u70b9\u786e\u8ba4\u4e09\u4ef6\u4e8b\uff1a\u4f60\u7684<\/span>\u5b9e\u9645\u9891\u7387\u5206\u5e03\u662f\u5426\u771f\u7684\u4ee5 40 MHz \u4ee5\u4e0a\u4e3a\u4e3b<\/span><\/strong>\uff0c\u73b0\u6709\u524d\u7f6e\u653e\u5927\u5668\u548c DC coupler \u7684\u72b6\u6001\u80fd\u5426\u652f\u6491 6 nV\/Pa \u91cf\u7ea7\u7684\u63a2\u5934\u8f93\u51fa\uff0c\u4ee5\u53ca\u662f\u5426\u9700\u8981\u540c\u65f6\u914d\u7f6e\u5347\u538b\u653e\u5927\u5668\u6216 20 dB \u8870\u51cf\u5668\u6765\u8986\u76d6\u52a8\u6001\u8303\u56f4\u7684\u4e0a\u4e0b\u4e24\u7aef\u3002\u5982\u679c\u4f60\u6b63\u5728\u63a8\u8fdb\u4e00\u9879\u9ad8\u9891\u9ad8\u538b\u573a\u8868\u5f81\u4efb\u52a1\uff0c\u6b22\u8fce\u63d0\u4f9b\u6362\u80fd\u5668<\/a>\u4e2d\u5fc3\u9891\u7387\u3001\u9884\u671f\u5cf0\u503c\u58f0\u538b\u548c\u73b0\u6709\u91c7\u96c6\u94fe\u8def\u914d\u7f6e\uff0c\u6211\u4eec\u53ef\u4ee5\u636e\u6b64\u5224\u65ad NH0040 \u662f\u5426\u662f\u4f60\u771f\u6b63\u9700\u8981\u7684\u90a3\u4e2a\u201c\u6700\u540e\u4e00\u7ea7\u7a7a\u95f4\u5206\u8fa8\u7387\u201d\uff0c\u4ee5\u53ca\u6574\u6761\u94fe\u8def\u5e94\u5f53\u5982\u4f55\u5339\u914d\u3002<\/span><\/p>\n

 <\/p>\n

 <\/p>\n

Precision Acoustics \u7684 A20\/1 \u9632\u6c34\u5fae\u578b\u5bbd\u5e26\u8870\u51cf\u5668\uff0c\u4e00\u6b3e\u7528\u4e8e HP \u6c34\u542c\u5668\u7cfb\u7edf\u7684\u9632\u6c34\u5fae\u578b\u5bbd\u5e26\u8870\u51cf\u5668<\/a><\/p>\n

\u88ab\u5ffd\u89c6\u7684\u7cfb\u7edf\u67a2\u7ebd\uff1aPrecision Acoustics\u7684 DC coupler \u5982\u4f55\u51b3\u5b9a\u6c34\u542c\u5668\u6d4b\u91cf\u94fe\u7684\u201c\u5e95\u566a\u201d\u4e0e\u201c\u4e00\u81f4\u6027\u201d<\/a><\/p>\n

0.075\u6beb\u7c73\u9488\u5f0f\u6c34\u542c\u5668<\/a>\n0.2\u6beb\u7c73\u9488\u5f0f\u6c34\u542c\u5668<\/a>\n0.5 mm \u9488\u5f0f\u6c34\u542c\u5668<\/a>\n1.0 mm \u9488\u5f0f\u6c34\u542c\u5668<\/a>\nHP\u7cfb\u5217\u63a2\u5934<\/a>\nPA<\/a>\nPrecision Acoustics<\/a>\nPrecision Acoustics 0.04\u6beb\u7c73\u9488\u5f0f\u6c34\u542c\u5668<\/a>\nPrecision Acoustics 0.075\u6beb\u7c73\u9488\u5f0f\u6c34\u542c\u5668<\/a>\nPrecision Acoustics0.2\u6beb\u7c73\u9488\u5f0f\u6c34\u542c\u5668<\/a>\nPrecision Acoustics UMS4<\/a>\nPrecision Acoustics UMS Research 2<\/a>\nPrecision Acoustics\u00a0 1.0 mm \u9488\u5f0f\u6c34\u542c\u5668<\/a>\nscanning tank<\/a>\nUMS4<\/a>\nUMS Research<\/a>\nUMS Research 2<\/a>\nUMS\u8f6f\u4ef6<\/a>\n\u524d\u7f6e\u653e\u5927\u5668<\/a>\n\u533b\u7597\u5de5\u4e1a\u68c0\u6d4b<\/a>\n\u538b\u529b\u5206\u5e03\u56fe<\/a>\n\u58f0\u5316\u5b66<\/a>\n\u58f0\u5b66\u53c2\u6570\u6d4b\u91cf<\/a>\n\u5de5\u4e1a\u65e0\u635f\u68c0\u6d4b<\/a>\n\u5de5\u4e1a\u65e0\u635f\u68c0\u6d4b\uff08NDT\uff09\u6362\u80fd\u5668<\/a>\n\u5de5\u4e1a\u8d85\u58f0<\/a>\n\u626b\u63cf\u6c34\u69fd<\/a>\n\u626b\u63cf\u7cfb\u7edf<\/a>\n\u6c34\u4e0b\u58f0\u5b66<\/a>\n\u6c34\u542c\u5668<\/a>\n\u6c34\u542c\u5668\u4e0e\u6362\u80fd\u5668\u5b89\u88c5\u652f\u67b6<\/a>\n\u6c34\u542c\u5668\u589e\u5f3a\u653e\u5927\u5668<\/a>\n\u6c34\u542c\u5668\u6821\u51c6<\/a>\n\u6c34\u5904\u7406\u5957\u4ef6<\/a>\n\u76f4\u6d41\u8026\u5408\u5668<\/a>\n\u81ea\u52a8\u5316\u6c34\u542c\u5668\u626b\u63cf<\/a>\n\u826f\u597d\u7684\u4fe1\u566a\u6bd4<\/a>\n\u8bca\u65ad\u63a2\u5934\uff081-10MHz\uff09<\/a>\n\u8d85\u58f0\u6362\u80fd\u5668<\/a>\n\u8d85\u58f0\u6d4b\u91cf<\/a>\n\u8d85\u58f0\u6d4b\u91cf\u6c34\u69fd<\/a>\n\u8d85\u58f0\u7406\u7597\u8bbe\u5907<\/a>\n\u9488\u5f0f\u6c34\u542c\u5668<\/a>\n\u9ad8\u5f3a\u5ea6\u805a\u7126\u8d85\u58f0\uff08HIFU\uff09\u7cfb\u7edf<\/a><\/div>","protected":false},"excerpt":{"rendered":"

\u5728\u4e4b\u524d\u5173\u4e8e 0.075 mm \u9488\u5f0f\u6c34\u542c\u5668\u7684\u8ba8\u8bba\u4e2d\uff0c\u4e00\u4e2a\u6838\u5fc3\u5224\u65ad\u662f\uff1a\u6709\u6e90\u5143\u4ef6\u5c3a\u5bf8\u9700\u8981\u5728\u9ad8\u9891\u4e0b\u8fdc\u5c0f\u4e8e\u58f0\u573a\u7279\u5f81\u5c3a\u5ea6\uff0c\u624d\u80fd\u904f\u5236\u7a7a\u95f4\u5e73\u5747\u5bf9\u5cf0\u503c\u548c\u68af\u5ea6\u7684\u201c\u6d82\u62b9\u201d\u3002\u4f46\u5f53\u5de5\u4f5c\u9891\u7387\u7ee7\u7eed\u4e0a\u63a2\u5230 40 <\/p>\n","protected":false},"author":43,"featured_media":439,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_vp_format_video_url":"","_vp_image_focal_point":[]},"categories":[104,4,103],"tags":[118,126,147,157,185,8,7,105,117,28,9,125,146,12,32,29,10,25,167,81,21,67,24,98,160,65,11,14,162,19,18,72,80,45,168,30,123,159,111,15,31,132,43,133],"_links":{"self":[{"href":"https:\/\/www.bihec.com\/precisionacousticsproducts\/wp-json\/wp\/v2\/posts\/438"}],"collection":[{"href":"https:\/\/www.bihec.com\/precisionacousticsproducts\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bihec.com\/precisionacousticsproducts\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bihec.com\/precisionacousticsproducts\/wp-json\/wp\/v2\/users\/43"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bihec.com\/precisionacousticsproducts\/wp-json\/wp\/v2\/comments?post=438"}],"version-history":[{"count":1,"href":"https:\/\/www.bihec.com\/precisionacousticsproducts\/wp-json\/wp\/v2\/posts\/438\/revisions"}],"predecessor-version":[{"id":440,"href":"https:\/\/www.bihec.com\/precisionacousticsproducts\/wp-json\/wp\/v2\/posts\/438\/revisions\/440"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bihec.com\/precisionacousticsproducts\/wp-json\/wp\/v2\/media\/439"}],"wp:attachment":[{"href":"https:\/\/www.bihec.com\/precisionacousticsproducts\/wp-json\/wp\/v2\/media?parent=438"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bihec.com\/precisionacousticsproducts\/wp-json\/wp\/v2\/categories?post=438"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bihec.com\/precisionacousticsproducts\/wp-json\/wp\/v2\/tags?post=438"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}