1) laser Doppler displacement meter
激光多普勒位移测量仪
1.
It is difficult to align and time-consuming to get squareness errors with conventional laser interferometer, described here is a new laser measurement technique based on a single-aperture laser Doppler displacement meter with a flat mirror.
提出利用单头激光多普勒位移测量仪及平面反射镜,通过测量机床的4条体对角线的位移误差实现对机床三轴间的垂直度误差测量。
2) LDDM(Laser Doppler Displacement Measurement)
激光多普勒测量仪
4) laser Doppler velocimeter
激光多普勒测速仪;激光多普勒速度计
5) adaptive phase/doppler velocimeter
可适性相位多普勒激光测速仪
1.
Tests are conducted with different structure parameters of the effervescent creation equipment and the same air swirling structure in a multilevel fuel atomizer,and then measured with APV system(adaptive phase/doppler velocimeter);consequently we analyze which structure is comparatively reasonable to create effervescence.
基于一种气泡气动二级燃油雾化喷嘴,在其第二级雾化气动旋流部分结构参数一定的条件下,对第一级气泡雾化中的气、液预混芯与气泡生成室相配合的结构进行了优化设计,并利用可适性相位多普勒激光测速仪对不同气泡发生结构下的雾化场进行实验测试。
6) laser Doppler anemometer
激光多普勒测速仪
1.
In a φ300 column,the flow fields of gas on rotating stream tray were investigated with DANTEC 55X laser doppler anemometer.
在φ３００ｍｍ塔内，实现了用二维激光多普勒测速仪对旋流板上气体速度场的测定，获得了不同高度剖面的切向、轴向及径向速度分布的数据，探明了板上气流场的基本特点；还采用气－固流模拟湿板操作，测定了模拟液滴的流场。
2.
The flow fields of gas and simulating droplet are investigated with the DANTEC 55X laser doppler anemometer on 300mm rotating stream tray (RST).
在直径300mm塔内,用激光多普勒测速仪对旋流塔板上的流场进行了实验研究,探明其主要特征,进一步证实了过去对不同用途板型的设计思想。
3.
The flow field in the tip region has been studied by laser Doppler anemometer (LDA) and flow visualization technique.
介绍了利用激光多普勒测速仪 ( LDA)和激光片光流场显示技术在一轴流风扇转子叶尖附近流场测量得到的结果。
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