At present the vibrometer technique is developing quickly the vibration can measure acceleration and displacement .
目前,测 震技术发展的速度很快,传统的 电子式 测振 仪 需 配上 磁电式 传感器(亦称拾振器),才能测量加速度及位移,这种仪器的价格高,体积大。
2-D laser Doppler vibrometer
2-D激光多普勒 振动 测试 仪 的 研究
Optical Fiber Vibrometer with Reflectivity and Illuminating Power Compensation
具有反射率及亮度补偿功能的光纤 振动 计
Universal vibrometer has not the function of lasting and on-line recording .
通用 振动 测试 仪 一般不具备 较长时间的在线记录功能。
Measuring the Dynamic Performance of PZT Using Self-mixing Interference Vibrometer
自混合干涉 型 振动 仪 应用于PZT特性的测量
A new laser heterodyne vibrometer with direct counting signal pro-cessing is described .
本文描述了一种直接计数式激光外差 测振 装置。
With the laser scanning vibrometer based on the Doppler effect the muzzle vibration velocity is measured .
炮口振动速度测试可以采用激光 测振 仪,它是基于多普勒 原理的激光 非 接触 测振 技术而 研制的。
This paper describes the principle structure and operation process of a two dimensional laser Doppler vibrometer .
描述一台两维激光多普勒 测振 装置,介绍其基本原理、组成部分及工作过程。
A simple and inexpensive optical fiber vibrometer with reflectivity and illuminating power compensation was presented .
介绍了一种结构简单、价格低、带有反射率和亮度补偿的光纤 振动 计。
The relationship between measuring precision and detector resolution is computed which is helpful to choose detector and on-site vibrometer .
首先,对测量精度与传感器分辨率的关系进行了分析计算,为传感器和现场 测振 分析仪的选择 提供了 依据;
Laser Doppler vibrometer ( LDV ) has a potential application prospect in remote sensing .
激光 多普勒 振动 计在遥感探测方面具有潜在的应用前景。
For hardware building we realize the resonant actuation and signal detection mainly based on laser vibrometer lock-in amplifier and signal generator . These equipments can also work together with digital oscilloscope data acquisition cards and other auxiliary equipments .
硬件搭建方面实现了以激光 测振 仪、锁相放大器、信号发生器为主体的共振激发与检测设备的搭建,并可与数字示波器、数据采集卡等配套设备协同工作。
A Signal Processing System of Laser Doppler Vibrometer
激光多普勒 振动 传感器的信号处理系统
The laser fiber vibrometer was firstly adopted to measure the resonance property and displacement of the vibration of multilayer piezoelectric transformer . An effective measuring technology is applied to design and study of multilayer piezoelectric transformer .
本文首次采用 目前 国内 外最 先进的激光光纤 测振 仪测量了多层压电变压器的谐振特性和振动位移情况,为多层压电变压器的设计和研究 提供了一种非常有效的测试技术。
Base on the heterodyne laser Doppler theory a heterodyne laser Doppler vibrometer ( LDV ) with fiber structure was designed and implemented .
基于外差激光多普勒原理,设计并实现了一套光纤结构的外差式激光多普勒 振动 计(LDV)。
Free damping oscillation vibrometer
自由衰减振荡 示振 仪阻尼摆动 ;阻尼振荡 ;衰减振荡 ;衰减 振动 ; 减幅 振动
Heterodyne Laser Doppler Vibrometer for Underwater Acousto-Optic Communication
用于水下声光通信的外差式激光多普勒 振动 计
Study on single periodic layered grating laser Doppler vibrometer
单周期层栅激光多普勒 测振 系统的研究
The laser vibrometer based on the surface vibration for measuring and analyzing the radiating noise of the4120SG 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。
A laser Doppler grating vibrometer based on the two-phase detecting technique and the rectangular phase grating is experimentally researched .
实验研究了一种利用双相检测法 辨 向的、以 单周期矩形相位光栅作 光束结合器的激光光栅 测振 仪 系统。
The Measurement of the Vibration Characteristics of the Loudspeaker by Laser Vibrometer
用激光 测振 仪测量扬声器纸盆的振动特性
Using the way of homodyne coherent detection a fiber laser Doppler vibrometer is designed and completed .
采用零差的相干探测方式,设计并实现了一套光纤结构的激光多普勒 振动 计。
Then the plate vibration experiment based on the Laser Doppler Vibrometer was carried through .
并进行了基于激光 测振 仪的板结构振动实验,为之后的 模型 修正 提供了实验 数据。
Handle the vibrometer with great care .
操作 震动 计 要小心。
A Study on the Revolving Field Direction Discrimination Laser Doppler Vibrometer
旋转场辨 向 层 栅激光多普勒 测振 系统研究
In the analysis we found there exists the distortion of the wave form in initial part of the record obtained from the vibrometer .
问题是 通常 采用 的 位移 测振 仪所记录的 制动 反应,其初始波形有畸变现象,这一现象严重地影响了分析的 准确性。
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。
Considering the effect of the sound post and the bass bar the acoustic characteristics of the violin have been studied using the Finite Element Method and the Laser Vibrometer Scanning ( LVS ) system .
考虑音柱、低音梁对小提琴声学特性的影响,本文利用有限元数值方法和基于激光 测振 系统的试验方法分析了小提琴 结构的动态特性。
The homodyne vibrometer system of specific parameters was simulated numerically and the simulation results coincided with the theoretical analysis .
并对特定参数的零差 测振系统进行了数值仿真,仿真结果与理论分析吻合。
The driving voltage / current and response velocity of an ultrasonic bonding transducer were measured to obtain the dynamical characteristics of the ultrasonic vibration system . The response velocity of transducer was measured by the laser Doppler vibrometer .
测得超声键合振动系统的输入电流、电压,用激光 多普勒测速 仪测得换能杆系统的响应速度,研究了超声引线键合工艺中超声振动系统的 非 稳态动力学特性。
美[vaɪ'brɒmɪtə]英[vaɪ'brɒmɪtə]
n.振动计