查询词典 vibrometer

This experiment method has some reference value on testing the 3-dimension modal shapes of a structure by using a single scanning laser vibrometer.

该实验方法对于采用单头激光测振仪测试结构的三维整体模态具有一定的参考价值。

Discussed the uncertainty of vibration transducer calibration and vibrometer itself overall.

最后对校准系统和相位型测振仪测量的不确定度给予了全面的分析。

This paper intrdouces how to measure the vibration of the rigid rotor by using digital laser vibrometer,and analyzes the calculation method of the amplitude and angle of the dynamic unbalance.

介绍了采用激光干涉仪测量刚性转子运转时支撑上振动信号的原理，并简要分析了刚性转子动不平衡量的提取和解算技术。

The Laser Doppler vibrometer and signal generator are controlled by computer through GPIB bus, in order to make the system more automatic and compatible. A synchronous method for exciting signal and data acquisition is advanced and put into practice in the process of microstructures'free damping vibration.

通过GPIB总线控制激光多普勒测振仪的控制器和信号发生器以提高测试过程的自动化程度，使建立的自动化测量系统具有良好的通用性和可扩展性，并提出了自由衰减法测试的激励信号和数据采集卡同步采集的实现方法； 3。

A dynamic testing system for MEMS microstructure in high temperature based on point discharge was developed, which was mainly composed of excitation device, Laser Doppler Vibrometer and temperature control system.

基于放电激励方法建立了高温环境下 MEMS 微构件动态特性测试系统，该系统主要由激励装置、激光多普勒测振仪、微构件温度控制系统组成。

The article mainly introduces the laser self-mixing interference vibrometor system in principle, the optical system design of the vibrometer system, signal modulation module design, demodulation module design and DSP gathering and processing module design.

介绍了激光自混合干涉测振仪的原理、仪器系统的光路系统设计、信号的调制模块设计、解调模块设计以及DSP系统的采集处理模块设计。

The laser vibrometer based on the surface vibration for measuring and analyzing the radiating noise of the 4120SG diesel engine is proposed.

以4120SG柴油机为研究对象，提出基于激光测振的表面振动法测量柴油机辐射噪声。

The flying heights of different near-field optical slider surface topology are measures by a laser Doppler vibrometer.

利用都卜勒雷射干涉仪量测各种近场光学读写头设计的飞行结果，显示不同的设计导致不同的飞行高度和飞行高度变化。

The vibration modes are tested with the laser doppler vibrometer (PSV-300F), and the experimental results prove that the design requirements on the mode shape of the actuator and nature frequency are satisfied.

利用PSV-300F多普勒激光测振仪对电机的工作模态进行了测试，实验结果表明，电机的工作振型和工作频率等均满足设计要求。

Practice shows that this semiconductor laser self-mixing vibrometer can get good vibration waveform and vibration parameters from the vibration source.

可以测量出振动物体的振动频率、振幅以及还原振动波形，振动幅度测量精度可以达到0.325m，频率精度为1Hz。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。