On the assumption of wavefront prolongation, a new optical phase retrieval algorithm by conventional lateral shear interferometer with wavelet transform is introduced.
在常规横向剪切干涉仪的基础上，利用波前周期延拓的假设，基于小波变换的方法实现了波前重构。
A piezoelectric ceramic, based on the converse piezoelectric effect, was used as optical phase modulator to design a fiber differential interferometer.
基于压电陶瓷的逆压电效应，采用压电陶瓷作为光相位调制器设计了光纤微分干涉仪。
The main devices of the method include a grating interferometer, which controls the ruling engine motion, and a phase scanning mechanism.
该方法的主要装置包括一个用于控制刻划机运动的光栅干涉仪和一个相位扫描机构。
In sinusoidal phase modulating laser diode interferometer, the main error source is the variation in output light intensity of light source.
在半导体激光正弦相位调制干涉仪中，光源输出光强的变化是测量误差的主要来源。
An circular radial shearing interferometer based on spatial phase modulation is proposed to measure the transient near infrared laser pulse wavefront with high precision.
提出了一种基于空间相位调制技术可用于近红外瞬态波前高精度检测的环形径向剪切干涉仪。
After a sufficient and necessary condition of phase interferometer unambiguous direction finding is proved, two methods of ambiguity resolution by combination of long baselines are presented.
在证明了多基线的相位干涉仪不产生测向模糊的充要条件后，讨论了两种用长基线组合解测向模糊的算法。
In the system of measuring Angle of phase interferometer, it is considered that the impact brought by baseline obliquity on phase can be eliminated by equivalent baseline from geometric projection.
在相位干涉仪测向系统中，通常都认为基线倾角对相位的影响是可以通过几何投影的方法得到等效基线来消除的。
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。
The polarized light interferometer is also a kind of unbalanced interferometer which can convert the Bragg wavelength shifts into interferometer phase shifts.
偏振光干涉仪也是一种能将布拉格波长移动转化为干涉相位变化的非平衡干涉仪。
It is noteworthy that the wavelength of the fiber Bragg grating would be tuned via only a phase mask in a phase mask interferometer.
值得注意的是在相位干涉法中，只用一块相位模板，就可以调整写入光纤布拉格光栅的波长。
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。
An alternating current phase tracking (PTAC) homodyne scheme has been used to process output signal of the Michelson interferometer.
在信号处理过程中采用了交流相位跟踪零差补偿技术(PTAC)。
This paper present optical false heterodyne method. It's modulator of phase is constructed by LN crystal in Michelson's interferometer.
本文报导光学赝外差方法，它是利用LN晶体放置在迈克尔逊干涉仪的参考臂中做电光相位调制。
The initial phase difference of the fiber interferometer is calculated by measuring the interference photocurrent and the photocurrents from the two fiber arms based on a temperature control plat.
利用恒温控制平台，通过测量干涉光电流和干涉仪两臂光电流的方法，实现了对全光纤干涉仪两臂初相位差的测量。
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。
In this paper, the time domain average meth od is used to extract the interfere signal in calibrating the phase character of vibration sensor by laser interferometer.
本文分析了时域平均法对光电信号进行滤波处理在激光绝对法校准振动传感器相频特性中的应用。
The influence of the reflection phase shift and its dispersion on the optical performance of the short-cavity (SC) F-P interferometer was analyzed in details.
以此为基础，较为系统地研究了高反射镜面的反射相移及其色散对短腔长的F-P干涉仪光学性能的影响。
The system is based on Michelson interferometer. It USES a fiber laser with narrow linewidth as light source, and adopts homodyne demodulation with phase generated carrier scheme to restore signal.
该系统基于迈克尔逊干涉仪结构，以窄线宽光纤激光器为光源，采用相位载波零差解调方案实现信号的还原。
The automatic test of Corner Cube Reflector (CCR), Roof Prism and Right-angle Prism is achieved by calculating the wavefront got from the digital phase-shifting interferometer.
本文通过对移相式数字波面干涉仪得到的测试波面进行处理实现锥体棱镜、屋脊棱镜和直角棱镜角度测试的数字化和自动化。
A sinusoidal phase modulating laser diode interferometer is proposed.
提出了一种半导体激光正弦相位调制干涉仪。
The second is a coded mask photographic interferometer using white light. It can be used for measuring strongly varied phase obj...
第二种是用白光的(编码板)照相干涉法。它们能用于强变化位相体的测量。
One of the key problems in the phase interferometer hydrophone is enhanced sensitivity and desensitization.
相位调制型的关键问题之一是增敏和去敏。
With using absolute optical interferometer for measuring length of block gauge, it is necessary to solve the problem of phase jump for reflecting of light on its surface.
在用绝对光波干涉法测量量块长度时，必须解决光在量块表面反射时的位相跃变问题。
A 3 cm X-band microwave interferometer with a phase-locked amplifier as detector has been used to measure small phase changes as a microwave beam passing through the gas discharge tube.
本文用3厘米微波干涉仪，以锁相放大器作检测器，测量了微波通过气体放电管时所引起的相移。
The principle of fiber phase modulation is described clearly. The basic principium of fiber-optic acoustic sensor is vividly depicted based on the Michelson-type interferometer.
阐述光纤相位调制机理，结合迈克尔逊型干涉结构探讨光纤声传感的基本思想和原理。
A dispersive white-light spectral interferometer for precise measurements of the phase properties of multilayer thin film structures is built.
本文搭建了一个用于精确测试光学薄膜位相特性的色散式白光频谱干涉仪。
It will introduce phase interferometer and correlation interferometer, including their system configuration, algorithm and accuracy analysis.
主要包括其系统构成、算法原理与系统测向精度分析。
The sensitivity coefficient describing the relationship between the phase noise and the transition probability is defined. And then, the sensitivity of the interferometer is achieved.
定义灵敏度系数，得到相位噪声对于跃迁几率的权重函数，求得相位噪声对于重力加速度测量的具体影响结果。
The legible interference patterns and spectrum signals show that fiber interferometer is suitable to compensate for amplitude and phase vibrations.
稳定的时域干涉信号说明，单模光纤可以很好补偿振幅、相位的跃变。
The legible interference patterns and spectrum signals show that fiber interferometer is suitable to compensate for amplitude and phase vibrations.
稳定的时域干涉信号说明，单模光纤可以很好补偿振幅、相位的跃变。
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