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
聲學(xué)成像技術(shù)在復(fù)雜噪聲源定位中的全新應(yīng)用
聲學(xué)相機(jī)如何實現(xiàn)0.1米精度噪聲定位?解密陣列麥克風(fēng)與算法融合技術(shù)
從汽車風(fēng)噪到航空發(fā)動機(jī)異響,聲學(xué)測量的技術(shù)躍遷
深度技術(shù)內(nèi)容
聲源定位技術(shù)的演進(jìn)
傳統(tǒng)單點麥克風(fēng)的局限性(相位失真、空間分辨率低)
PCB 130型1/4英寸麥克風(fēng)陣列的“波束成形+時反算法”原理圖解
PCB 130E21麥克風(fēng)核心性能
超精密相位匹配:64通道同步誤差<0.05°,確保聲場重建準(zhǔn)確度
動態(tài)范圍達(dá)168dB:火箭發(fā)射測試中捕捉次聲波至超音速全頻段
汽車NVH測試案例
實驗配置:48個PCB 130E21麥克風(fēng)+手持式聲學(xué)相機(jī)(頻寬20Hz~20kHz)
結(jié)果:30分鐘內(nèi)定位車門密封條3mm縫隙導(dǎo)致的風(fēng)噪(附聲功率云圖)
航空航天領(lǐng)域**應(yīng)用
飛機(jī)發(fā)動機(jī)葉片顫振檢測:256通道陣列的實時模態(tài)分析(引用AIAA論文)
對比傳統(tǒng)激光測振儀:聲學(xué)方案成本降低60%,部署效率提升4倍
技術(shù)生態(tài)與資源
開源工具:聲學(xué)陣列校準(zhǔn)軟件(GitHub鏈接)
行業(yè)認(rèn)證:符合SAE J247聲學(xué)測試標(biāo)準(zhǔn)(SAE官網(wǎng))
- 銷售專員
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