1) laser doppler vibrometer
激光多普勒测振仪
1.
The vibration measurement principle of laser Doppler vibrometer、the steady state vibration characteristics of bonding tool have been studied when the tightness changes.
本文在非接触激光多普勒光学测量方法基础上,对U3000型粗铝丝引线键合机中劈刀的稳态振动进行了实验研究:对激光多普勒测振仪的测量原理作了简要的说明;对超声键合装置中,劈刀在不同连接松紧度下的稳态振动特性作了实验测试和初步分析;对在不同连接松紧度下,劈刀的稳态振动进行了实验模拟。
2) Laser doppler vibrometers
激光多普勒振动测试仪
3) laser Doppler vibration
激光多普勒测振
1.
According to the principle of the acousto-optic communication with the technique of laser Doppler vibration,a novel and compact circuit of frequency discrimination for laser Doppler vibration signal is proposed.
根据激光多普勒测振技术进行声光通信的工作原理,设计一种新型、小型激光多普勒测振信号鉴频电路。
4) laser Doppler velocimeter
激光多普勒测速仪;激光多普勒速度计
5) Doppler laser vibration measurement
多普勒激光振动测量
1.
With the Doppler laser vibration measurement system,the vibration velocity curves of the flip chip and tool tip were obtained during thermo-sonic flip chip bonding.
采用多普勒激光振动测量系统,获得了热超声倒装键合过程中工具末端及芯片的振动速度曲线。
6) Micro laser Doppler vibration characterization
显微激光多普勒测振
补充资料：超声多普勒诊断仪
超声多普勒诊断仪
此为利用多普勒效应的原理对运动的脏器和血流进行探测的仪器。常用的超声多普勒诊断仪是由双片插头接受连续超声回声，转成电信号，经低频放大后作监听用；亦可外接示波器，供波型观察及摄影；接心电图记录仪，则可描记下信号的包络曲线。此外，还可用以探测胎动、胎盘杂音和脐带杂音。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条