NEC infrared thermal imager, PCB acceleration sensor, high pixel infrared imager, dynamic data acquisition instrument, woodworking laboratory, PCB sensor, wire rope detector, handheld XRF spectrometer, infrared detection service, wire rope nondestructive testing, wire rope flaw detection service, wire rope lubricator, MIKRON blackbody calibration source, IMPAC infrared thermometer.
- American Piezoelectric PCB Sensor
- Data acquisition instrument
- stress-strain measurement
- infrared thermal imager
- Handheld XRF Spectrometer
- France CA Electrical Measurement
- Woodworking machinery and equipment
- Wire rope detector
- full-day blind ultraviolet imager
- Blackbody calibration source
- Professional Testing Services
- X-ray residual stress tester
- spectrophotometer
New Application of Acoustic Imaging Technology in Localization of Complex Noise Sources
声学成像技术在复杂噪声源定位中的全新应用
声学相机如何实现0.1米精度噪声定位?解密阵列麦克风与算法融合技术
从汽车风噪到航空发动机异响,声学测量的技术跃迁
深度技术内容
声源定位技术的演进
传统单点麦克风的局限性(相位失真、空间分辨率低)
PCB 130型1/4英寸麦克风阵列的“波束成形+时反算法”原理图解
PCB 130E21麦克风核心性能
超精密相位匹配:64通道同步误差<0.05°,确保声场重建准确度
动态范围达168dB:火箭发射测试中捕捉次声波至超音速全频段
汽车NVH测试案例
实验配置:48个PCB 130E21麦克风+手持式声学相机(频宽20Hz~20kHz)
结果:30分钟内定位车门密封条3mm缝隙导致的风噪(附声功率云图)
航空航天领域**应用
飞机发动机叶片颤振检测:256通道阵列的实时模态分析(引用AIAA论文)
对比传统激光测振仪:声学方案成本降低60%,部署效率提升4倍
技术生态与资源
开源工具:声学阵列校准软件(GitHub链接)
行业认证:符合SAE J247声学测试标准(SAE官网)
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