1) Laser doppler vibrometers
激光多普勒振动测试仪
2) 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。
3) 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。
4) 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。
5) aser Doppler measure ment
激光多普勒测试
6) laser Doppler velocimeter
激光多普勒测速仪;激光多普勒速度计
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