1) phase-stepping
步进相移
1.
A new method of phase-stepping by changing the temperature of Laser Diode(LD)In phase shifting interferometry(PSI) has been presented.
利用半导体激光器作为相干照明光源，通过改变半导体激光器温度来改变其波长，实现了步进相移干涉计量。
2) step phase shifter
步进移相器
3) three dimensional sensing
步进式相移
1.
A new way for researching active optical three dimensional sensing techniques by computer simulation is presented in this paper, it neednt do any experiments and has the features of flexibility and simplicity.
通过计算机模拟，重点考察了三维物面对线性结构光场的空间调制原理和利用步进式相移解码的过程，最后给出几种特殊三维面形的仿真结果。
4) simultaneous phase-shifting
同步移相
1.
The structure of a simultaneous phase-shifting interferometry system based on two-dimensional(2D) orthogonal grating diffraction is analyzed in detail,including components of interference,spatial beam splitting,polarizing phase-shifting element,and image sampling and processing.
详细分析了一种基于二维正交光栅衍射的同步移相干涉测量系统的组成结构,包括干涉系统、空间分光部件、偏振移相部件以及图像采集与处理系统。
2.
For the anti-vibration in interferometry,a new simultaneous phase-shifting method based on Michelson polarization phase-shifting technique,is presented.
为了干涉测量的抗振目的,提出了一种新的同步移相干涉测量方案并搭建了实验装置。
3.
A simultaneous phase-shifting interferometry is analyzed by JonesMatrix theroy.
同步移相干涉测量术是指在瞬间同时采集三幅以上具有一定移相间隔的干涉图的一种干涉测量技术。
5) phase step
相移步长
1.
It is important to give a range for the phase step which could be adopted in the algorithm.
讨论了在 Carré算法中如何由任意相移步长得到正确的位相分布 ,通过误差分析对最佳相移步长的选择作了说
6) four-step phase-shifting
四步相移
1.
The four-step phase-shifting algorithm for quantitative analysis of the Ronchigram is derived from the wave theory of Ronchi test.
通过传统的朗契检测法的物理光学原理和条纹分析中的相移技术相结合，推导出了定量分析朗契图的四步相移算法，从而为朗契检测法定量进行像质评价提供了一种简单而有效的方法
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