The node is used as sampling flag and the beat-wave fringe fraction is measured with double frequency interferometer combined by optical components.
该装置以拍波合成的场强信号的节点为对准标志，以光路组合形成的双频激光干涉仪测量尾数部分。
We also analysed the influence of amplitude modulation and frequency (or phase ) modulation on Interferometer Direction Finder.
对三波道干涉仪测向结果不受幅度调制和频率调制（相位调制）的影响进行了数学分析。
Two kinds of signal processing methods for heterodyne interferometer, phase locked frequency demodulation and combinatorial frequency demodulation are presented in this paper.
介绍了两种激光外差干涉信号的处理方法锁相频率解调法及组合频率解调法。
In addition to alternating phase difference between two aims of interferometer, the intensity of light of the interference fringes will vary in the same frequency, which is called as phase modulation.
当两相干光附加一按固定频率变化的相位差时，其干涉条纹的光强将随之交变，即为相位调制干涉。
The frequency of vortex shedding was determined with a laser interferometer.
涡的分离频率由激光干涉仪测量。
The doppler signal that is mixed and exported by microwave interferometer is a non-stationary signal, its instantaneous frequency is changing time variant.
微波干涉仪混频输出的多普勒信号是一个非平稳信号，其瞬时频率随着时间的变化而变化。
Dual-frequency laser interferometer is a widely used precision measurement instrument.
双频激光干涉仪是应用广泛的精密测量仪器。
This paper describes a new mono-frequency laser interferometer using a self-scanning photoelectric diode array (SSPDA) as the receiving device of laser interference fringes.
本文介绍一种采用自扫描光电二极管列阵(SSPDA)作为激光干涉条纹接收器的新型单频激光干涉仪。
This paper introduces the development of fiber-optic Mach-Zehnder interferometer during measuring linewidth parameter of single-frequency lasers, and the experiment result has been given.
介绍了作者在测量单纵模激光器线宽参数的过程中，研制的马赫-曾德尔光纤干涉仪，并给出了实验结果。
The system comprises low frequency-difference two-frequency laser interferometer measuration module, micro-detection device and two dimension platform.
系统由低频差双频激光干涉度量模块和微探头及二维工作台两部分组成。
The present state of the dual-frequency laser interferometer in the world is introduced in brief. The trends of development to high resolution, high accuracy, high measurement speed etc. are given.
文章概述了国内外双频激光干涉仪产品的现状，介绍了近年来双频激光干涉仪向高分辨率、高精度、高测速等几个方向的发展趋势。
Dual-frequency laser interferometer is one of the most precision measuring instruments in modern...
双频激光干涉仪是现代精密测量中最精密的测量仪器之一。
The dual-frequency laser as a light source takes a key element in the interferometer.
本文提出一种新型中频差双频激光器——磁致旋光-塞曼双频激光器。
A double-frequency laser interferometer was applied for the accuracy reliability experiments in order to put forward countermeasures of increasing the accuracy reliability of the transmission system.
工程应用表明，传动系统精度可靠性设计比普通的精度设计方法更接近工程实际。
A double-frequency laser interferometer was applied for the accuracy reliability experiments in order to put forward countermeasures of increasing the accuracy reliability of the transmission system.
工程应用表明，传动系统精度可靠性设计比普通的精度设计方法更接近工程实际。
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