A modified phase shifting algorithm is used in our testing system to improve the measurement accuracy, which decreases the errors from phase shifter and detector's nonlinearity.
系统采用了改进的相移算法，抑制了相移器误差以及探测器带来的非线性误差，提高了测量精度。
Phase-locking loop circuit, phase shifting method, and IC chip.
锁相环电路，相移方法，及集成电路芯片。
A robust and effective phase shifting algorithm is important to process interferogram.
健壮有效的相移算法是干涉图处理中一个非常关键的技术。
It utilizes optical phase shifting mask to improve resolution limit for an existing wafer stepper.
它应用了光学相移掩模方法，大大提高了现有光学光刻设备的分辨率水平。
Unwrapping is an important link to ensure precision phase measuring in phase shifting interference techniques.
相位恢复去包裹技术是相移干涉中的重要环节。
The effect of the quantization of the fringe intensity on the phase error in phase shifting measurement is formulated.
对相位移测量技术中的条纹强度量化所引起的相位误差进行了定量研究。
The virtual grating phase shifting moire fringe is a method to manipulate the static interferogram with carrier fringes.
虚光栅移相莫尔条纹法是一种对静态干涉图的处理方法。
The results show that the proposed phase shifting method has potential to achieve automatic analysis for photoelasticity .
结果表明，这种相移方法可实现光弹性条纹的自动化分析。
In 3d sensing based on gray-code and phase shifting, non-sinusoidal phase-shifting gratings influence the precision markedly.
在基于格雷码和相移技术进行三维测量的过程中，相移光栅的非正弦性对测量精度有较大的影响。
A method based on digital fringe projection and digital phase shifting technique is proposed in this thesis for 3d shape measurement.
本文提出一种基于数字条纹投影与数字相移技术的三维形面测量系统。
At present, phase shifting method, Fourier transform method and fringe skeleton method are three most important fringe analysis methods.
目前，相移法、傅立叶变换法和条纹骨架法是三种主要的提取相位的方法。
The principle, making method, technology and procedure for the rim phase shifting mask are described. Some experimental results are given.
论述了边缘相移掩模的原理、制作方法和工艺步骤，并给出了一些实验结果。
The steady principle of the inverter with a high frequency pulse AC link and the unipolarity phase shifting control strategy are investigated.
该文深入分析研究了高频脉冲交流环节逆变器稳态原理特性与单极性移相控制策略。
This paper presents a new way to measure the characteristic parameter of the phase shifting controller made of fiber with PZT by phase shifting.
提出了一种利用相移技术测定光纤PZT相移控制器相移特性参数的方法。
The application of two-wavelength method and phase shifting for automatic analysis of fringe patterns resulted from photoelasticity was investigated.
分别采用双波长法和相移法研究了光弹性条纹的自动分析技术。
An adaptive phase shifting interferometry, which is insensitive to the uniform optical path difference induced by environment vibration and air turbulence, is studied.
研究对空气扰动及环境振动所造成的常数项光程变化不敏感的自适应干涉系统。
In this background, with the application of CPLD in V-M System, a digital SCR trigger circuit with phase shifting is developed which is absolutely different from the former ones.
在此背景下，本次设计将CPLD引入到V-M系统中，开发出与以往脉冲产生方式相区别的数字式移相触发电路。
A circuit topology family of inverters with high frequency pulse AC link and a double polarities phase shifting control strategy are proposed and deeply investigated in this paper.
提出并深入研究了高频脉冲交流环节逆变器电路拓扑族及其双极性移相控制策略。
An adaptive phase shifting interferometry, insensitive to the disturbance of constant term of phase perturbations induced by environmental vibration and air turbulence is discussed.
研究对环境振动和空气扰动所造成的两相干光束间常数项光程变化不敏感的自适应移相干涉系统。
The relations between the detector output signal of the differential detection of optical phase shifting and the optical phase shifting have been derived theoretically in the paper.
本文从理论上推导出差分探测光学相移时探测器输出信号与光学相移的关系式。
Because of their superior microwave performance, MEMS switches are being developed in many circuits and systems, including radio front ends, capacitor Banks and phase shifting networks.
由于其优越的微波特性，MEMS开关已在许多电路和系统中，包括微波前端电路、数字电容器组和移相网络中得到应用。
The invention introduces the design of the phase shifting piece and a concrete preparing method, as well as the calculated optical performance of the wide-band phase shifting piece, etc.
本发明介绍了该器件的设计和具体的制备方法，以及在此设计下所计算出的宽带相移片的光学性能等。
The resonant soft switching inverter arc welding power source uses LCL type structure in the main circuit, and selects phase shifting pulse wide modulation technique in the control system.
研制的谐振式软开关弧焊逆变电源，主电路采用新型LCL结构，控制系统选用恒频移相调脉宽控制方案。
The virtual grating phase shifting moire fringe method is studied to measure the parameters of gauge block which combines the techniques on grating, moire, and phase shifting interferometry.
研究了集光栅技术、莫尔技术、相移干涉术为一体的虚光栅移相莫尔条纹法测量量块的原理及关键技术。
A new optical profilometry linearly coded profilometry is presented. It USES a periodic linear structure illuminating light to code the surface and the phase shifting technique to decode the phase.
提出一种新的光学轮廓术线性编码轮廓术，它利用周期线性结构光编码三维物面，并辅以相移技术来解调相位。
To overcome voltage stress existed in the inverter with high frequency AC pulse link, single polarity and double polarities phase shifting control strategies were proposed and studied in this paper.
为克服高频脉冲交流环节逆变器存在的电压过冲现象，本文提出和研究了单极性、双极性移相控制策略。
A new control method of multiunit inverter is described, which determines the triggering pulse for each unit to obtain the sine wave output through multiple-phase shifting superimposition principle.
研究了多重化逆变器的一种控制方法，采用逆推的方法确定各单元的触发脉冲，通过多重移相叠加原理得到正弦波输出。
Direct Drive NC Table; Unequal Teeth Tips Width; Dual-Rotor; Phase Shifting; Repetitive Control.
直接驱动数控转台；不等齿顶宽；双转子；移相技术；重复控制。
Fourier transform profilometry and Phase shifting are two important methods in 3-d measurement of body.
傅里叶变换轮廓术和相移法是投影栅法测物体三维形貌的两种重要方法。
Phase shifting interferometry has been commonly applied as a high precision method in profile measurement.
相移干涉技术是表面轮廓测量领域中得到了广泛应用的可实现高精度测量的技术方法。
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