{"id":28911,"date":"2023-04-22T03:04:58","date_gmt":"2023-04-22T08:04:58","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-detect-ultrasonic-sound\/"},"modified":"2025-01-20T23:21:44","modified_gmt":"2025-01-21T04:21:44","slug":"how-to-detect-ultrasonic-sound","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/zh-hans\/how-to-detect-ultrasonic-sound\/","title":{"rendered":"\u8d85\u58f0\u6ce2\u63a2\u6d4b\u6280\u672f\u8be6\u89e3\uff1a\u539f\u7406\u3001\u65b9\u6cd5\u53ca\u5e94\u7528\u6848\u4f8b\u5206\u6790"},"content":{"rendered":"

\u8d85\u58f0\u6ce2\u7684\u68c0\u6d4b\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u4ece\u7b80\u5355\u7684\u7269\u7406\u63a5\u89e6\u5f0f\u4f20\u611f\u5668\u5230\u590d\u6742\u7684\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u6280\u672f\uff0c\u90fd\u53ef\u4ee5\u5728\u4e0d\u540c\u573a\u666f\u4e0b\u6709\u6548\u5730\u68c0\u6d4b\u8d85\u58f0\u6ce2\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u51e0\u79cd\u5e38\u89c1\u7684\u8d85\u58f0\u6ce2\u68c0\u6d4b\u65b9\u6cd5\uff0c\u5e76\u5206\u6790\u5176\u4f18\u7f3a\u70b9\uff0c\u4ee5\u671f\u4e3a\u8bfb\u8005\u63d0\u4f9b\u5168\u9762\u7684\u4e86\u89e3\u3002<\/p>\n

1. \u538b\u7535\u5f0f\u4f20\u611f\u5668\u53ca\u5176\u5e94\u7528<\/h3>\n

\u538b\u7535\u5f0f\u4f20\u611f\u5668\u662f\u76ee\u524d\u6700\u5e38\u7528\u7684\u8d85\u58f0\u6ce2\u68c0\u6d4b\u5668\u4ef6\u3002\u5176\u5de5\u4f5c\u539f\u7406\u57fa\u4e8e\u538b\u7535\u6548\u5e94\uff1a\u5f53\u8d85\u58f0\u6ce2\u4f5c\u7528\u4e8e\u538b\u7535\u6750\u6599\uff08\u4f8b\u5982\u77f3\u82f1\u6216\u9506\u949b\u9178\u94c5\uff09\u65f6\uff0c\u4f1a\u5f15\u8d77\u6750\u6599\u7684\u5f62\u53d8\uff0c\u4ece\u800c\u4ea7\u751f\u7535\u4fe1\u53f7\uff1b\u53cd\u4e4b\uff0c\u65bd\u52a0\u7535\u4fe1\u53f7\u4e5f\u80fd\u4f7f\u538b\u7535\u6750\u6599\u632f\u52a8\uff0c\u4ea7\u751f\u8d85\u58f0\u6ce2\u3002\u8fd9\u79cd\u53ef\u9006\u7684\u7279\u6027\u4f7f\u5f97\u538b\u7535\u4f20\u611f\u5668\u65e2\u53ef\u4ee5\u4f5c\u4e3a\u8d85\u58f0\u6ce2\u7684\u63a5\u6536\u5668\uff0c\u4e5f\u53ef\u4ee5\u4f5c\u4e3a\u53d1\u5c04\u5668\u3002<\/p>\n

\u538b\u7535\u4f20\u611f\u5668\u5177\u6709\u7075\u654f\u5ea6\u9ad8\u3001\u9891\u7387\u54cd\u5e94\u8303\u56f4\u5bbd\u3001\u7ed3\u6784\u7b80\u5355\u3001\u6210\u672c\u4f4e\u5ec9\u7b49\u4f18\u70b9\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u8d85\u58f0\u6ce2\u68c0\u6d4b\u7cfb\u7edf\u4e2d\uff0c\u4f8b\u5982\u8d85\u58f0\u6ce2\u6d4b\u8ddd\u4eea\u3001\u8d85\u58f0\u6ce2\u6d41\u91cf\u8ba1\u3001\u8d85\u58f0\u6ce2\u533b\u5b66\u6210\u50cf\u7b49\u3002\u7136\u800c\uff0c\u538b\u7535\u4f20\u611f\u5668\u4e5f\u5b58\u5728\u4e00\u4e9b\u7f3a\u70b9\uff0c\u4f8b\u5982\u6613\u53d7\u73af\u5883\u6e29\u5ea6\u548c\u6e7f\u5ea6\u5f71\u54cd\uff0c\u4ee5\u53ca\u5bb9\u6613\u4ea7\u751f\u566a\u58f0\u3002<\/p>\n\n\n\n\n\n\n
\u4f20\u611f\u5668\u7c7b\u578b<\/th>\n\u4f18\u70b9<\/th>\n\u7f3a\u70b9<\/th>\n\u5e94\u7528\u5b9e\u4f8b<\/th>\n<\/tr>\n<\/thead>\n
\u538b\u7535\u5f0f<\/td>\n\u7075\u654f\u5ea6\u9ad8\uff0c\u9891\u7387\u54cd\u5e94\u8303\u56f4\u5bbd\uff0c\u7ed3\u6784\u7b80\u5355\uff0c\u6210\u672c\u4f4e\u5ec9<\/td>\n\u6613\u53d7\u73af\u5883\u5f71\u54cd\uff0c\u5bb9\u6613\u4ea7\u751f\u566a\u58f0<\/td>\n\u8d85\u58f0\u6ce2\u6d4b\u8ddd\u4eea\uff0c\u8d85\u58f0\u6ce2\u6d41\u91cf\u8ba1\uff0c\u533b\u5b66\u8d85\u58f0\u6210\u50cf<\/td>\n<\/tr>\n
\u9a7b\u6781\u4f53\u9ea6\u514b\u98ce<\/td>\n\u5bf9\u4f4e\u9891\u8d85\u58f0\u6ce2\u654f\u611f\uff0c\u4f53\u79ef\u5c0f\uff0c\u6210\u672c\u4f4e<\/td>\n\u7075\u654f\u5ea6\u76f8\u5bf9\u8f83\u4f4e\uff0c\u9891\u7387\u54cd\u5e94\u8303\u56f4\u8f83\u7a84<\/td>\n\u73af\u5883\u566a\u58f0\u76d1\u6d4b\uff0c\u90e8\u5206\u8d85\u58f0\u6ce2\u6d4b\u8ddd\u5e94\u7528<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2. \u5149\u5b66\u68c0\u6d4b\u65b9\u6cd5<\/h3>\n

\u5149\u5b66\u68c0\u6d4b\u65b9\u6cd5\u5229\u7528\u8d85\u58f0\u6ce2\u4e0e\u4ecb\u8d28\u76f8\u4e92\u4f5c\u7528\u4ea7\u751f\u7684\u5149\u5b66\u6548\u5e94\u6765\u68c0\u6d4b\u8d85\u58f0\u6ce2\u3002\u4f8b\u5982\uff0c\u8d85\u58f0\u6ce2\u5728\u4f20\u64ad\u8fc7\u7a0b\u4e2d\u4f1a\u5f15\u8d77\u4ecb\u8d28\u7684\u6298\u5c04\u7387\u53d8\u5316\uff0c\u8fd9\u79cd\u53d8\u5316\u53ef\u4ee5\u7528\u5149\u5b66\u5e72\u6d89\u4eea\u6216\u5149\u7ea4\u4f20\u611f\u5668\u6765\u6d4b\u91cf\u3002\u5149\u5b66\u68c0\u6d4b\u65b9\u6cd5\u5177\u6709\u975e\u63a5\u89e6\u5f0f\u3001\u9ad8\u7cbe\u5ea6\u3001\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u7b49\u4f18\u70b9\uff0c\u4f46\u5176\u6210\u672c\u76f8\u5bf9\u8f83\u9ad8\uff0c\u6280\u672f\u5b9e\u73b0\u4e5f\u8f83\u4e3a\u590d\u6742\u3002<\/p>\n

3. \u57fa\u4e8e\u5fae\u673a\u7535\u7cfb\u7edf(MEMS)\u7684\u8d85\u58f0\u6ce2\u4f20\u611f\u5668<\/h3>\n

\u8fd1\u5e74\u6765\uff0c\u57fa\u4e8e\u5fae\u673a\u7535\u7cfb\u7edf(MEMS)\u7684\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u5f97\u5230\u4e86\u5feb\u901f\u53d1\u5c55\u3002MEMS\u6280\u672f\u53ef\u4ee5\u5236\u9020\u51fa\u4f53\u79ef\u5c0f\u3001\u6210\u672c\u4f4e\u3001\u96c6\u6210\u5ea6\u9ad8\u7684\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\uff0c\u5e76\u5177\u6709\u826f\u597d\u7684\u7075\u654f\u5ea6\u548c\u9891\u7387\u54cd\u5e94\u7279\u6027\u3002\u8fd9\u4e9b\u4f20\u611f\u5668\u901a\u5e38\u91c7\u7528\u538b\u7535\u5f0f\u6216\u7535\u5bb9\u5f0f\u539f\u7406\uff0c\u5e76\u96c6\u6210\u5728\u5355\u4e2a\u82af\u7247\u4e0a\u3002 MEMS\u4f20\u611f\u5668\u5728\u4fbf\u643a\u5f0f\u8bbe\u5907\u548c\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u5177\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u524d\u666f\u3002<\/p>\n

4. \u6570\u5b57\u4fe1\u53f7\u5904\u7406\u6280\u672f<\/h3>\n

\u65e0\u8bba\u91c7\u7528\u4f55\u79cd\u4f20\u611f\u5668\uff0c\u68c0\u6d4b\u5230\u7684\u8d85\u58f0\u6ce2\u4fe1\u53f7\u901a\u5e38\u9700\u8981\u7ecf\u8fc7\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u624d\u80fd\u5f97\u5230\u6709\u7528\u7684\u4fe1\u606f\u3002\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u6280\u672f\u53ef\u4ee5\u6ee4\u9664\u566a\u58f0\uff0c\u589e\u5f3a\u4fe1\u53f7\uff0c\u63d0\u53d6\u7279\u5f81\u53c2\u6570\u7b49\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5229\u7528\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362(FFT)\u6765\u5206\u6790\u8d85\u58f0\u6ce2\u4fe1\u53f7\u7684\u9891\u7387\u6210\u5206\uff0c\u6216\u8005\u5229\u7528\u5c0f\u6ce2\u53d8\u6362\u6765\u63d0\u53d6\u4fe1\u53f7\u7684\u65f6\u9891\u7279\u5f81\u3002 \u5148\u8fdb\u7684\u7b97\u6cd5\uff0c\u4f8b\u5982\u673a\u5668\u5b66\u4e60\uff0c\u4e5f\u53ef\u4ee5\u5e94\u7528\u4e8e\u8d85\u58f0\u6ce2\u4fe1\u53f7\u7684\u5206\u6790\u548c\u5206\u7c7b\uff0c\u63d0\u9ad8\u68c0\u6d4b\u7684\u7cbe\u5ea6\u548c\u6548\u7387\u3002<\/p>\n

5. \u4e0d\u540c\u68c0\u6d4b\u65b9\u6cd5\u7684\u6bd4\u8f83<\/h3>\n

\u4e0b\u8868\u603b\u7ed3\u4e86\u4e0a\u8ff0\u51e0\u79cd\u8d85\u58f0\u6ce2\u68c0\u6d4b\u65b9\u6cd5\u7684\u4f18\u7f3a\u70b9\uff1a<\/p>\n\n\n\n\n\n\n\n\n
\u68c0\u6d4b\u65b9\u6cd5<\/th>\n\u4f18\u70b9<\/th>\n\u7f3a\u70b9<\/th>\n\u6210\u672c<\/th>\n\u5e94\u7528\u573a\u666f<\/th>\n<\/tr>\n<\/thead>\n
\u538b\u7535\u5f0f\u4f20\u611f\u5668<\/td>\n\u7075\u654f\u5ea6\u9ad8\uff0c\u9891\u7387\u54cd\u5e94\u8303\u56f4\u5bbd\uff0c\u6210\u672c\u4f4e\u5ec9<\/td>\n\u6613\u53d7\u73af\u5883\u5f71\u54cd\uff0c\u5bb9\u6613\u4ea7\u751f\u566a\u58f0<\/td>\n\u4f4e<\/td>\n\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u8d85\u58f0\u6ce2\u68c0\u6d4b\u7cfb\u7edf<\/td>\n<\/tr>\n
\u5149\u5b66\u68c0\u6d4b\u65b9\u6cd5<\/td>\n\u975e\u63a5\u89e6\u5f0f\uff0c\u9ad8\u7cbe\u5ea6\uff0c\u6297\u5e72\u6270\u80fd\u529b\u5f3a<\/td>\n\u6210\u672c\u8f83\u9ad8\uff0c\u6280\u672f\u5b9e\u73b0\u590d\u6742<\/td>\n\u9ad8<\/td>\n\u9ad8\u7cbe\u5ea6\u6d4b\u91cf\uff0c\u7279\u6b8a\u73af\u5883\u4e0b\u7684\u8d85\u58f0\u6ce2\u68c0\u6d4b<\/td>\n<\/tr>\n
MEMS\u4f20\u611f\u5668<\/td>\n\u4f53\u79ef\u5c0f\uff0c\u6210\u672c\u4f4e\uff0c\u96c6\u6210\u5ea6\u9ad8\uff0c\u826f\u597d\u7684\u7075\u654f\u5ea6\u548c\u9891\u7387\u54cd\u5e94\u7279\u6027<\/td>\n\u7075\u654f\u5ea6\u53ef\u80fd\u4e0d\u5982\u538b\u7535\u4f20\u611f\u5668<\/td>\n\u4e2d<\/td>\n\u4fbf\u643a\u5f0f\u8bbe\u5907\u548c\u5d4c\u5165\u5f0f\u7cfb\u7edf<\/td>\n<\/tr>\n
\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u6280\u672f<\/td>\n\u53ef\u4ee5\u6ee4\u9664\u566a\u58f0\uff0c\u589e\u5f3a\u4fe1\u53f7\uff0c\u63d0\u53d6\u7279\u5f81\u53c2\u6570<\/td>\n\u9700\u8981\u4e00\u5b9a\u7684\u4e13\u4e1a\u77e5\u8bc6\u548c\u8ba1\u7b97\u8d44\u6e90<\/td>\n\u4e2d\u7b49-\u9ad8<\/td>\n\u6240\u6709\u8d85\u58f0\u6ce2\u68c0\u6d4b\u65b9\u6cd5\u7684\u8f85\u52a9\u6280\u672f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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