Measurement Errors in the 193 nm Phase-shifting Point Diffraction Interferometer 干涉仪测向与相位差变化率定位技术193nm移相点衍射干涉仪的测量误差分析
An On-Line Phase Measuring Profilometry with Phase-Shifting Perpendicular to Moving Direction of Measured Object 相移正交物体运动方向的在线相位测量轮廓术
How to get the rules of phase-shifting from the coherent integration of single pulse is first introduced, on the basis of which an approach to restoring PSK sequence is derived. 文章首先研究了如何通过单脉冲相关积累从PSK信号中提取相位跳变规律,在此基础上给出了相位编码序列恢复方法。
Research on Numerical Simulation of Three Dimensional Leakage Magnetic Field and Short Circuit Impedance of Phase-Shifting Rectifier Transformer 移相整流变压器三维漏磁场和短路阻抗的数值仿真研究
Phase-shifting interferometry to the flatness of a compact disk 光盘基片平整度的相移干涉测量方法
Phase-shifting and frequency-shifting characteristic of fiber optic projector for the shape measurement 用于面形测量的光纤投影器相移和频移特性
Analysis and testing for phase-shifting error of a spatial phase-shifting interferometer 差示干涉差显微镜术空间移相干涉仪的移相误差分析和测试
The high spatial resolution digital phase-shifting technology and feedback control technology were utilized in design of the device to improve its precision. 该标准装置采用高分辨率全数字移相技术和反馈控制技术,有效地提高了装置输出精度。
Experimental research on low-coherence polarization phase-shifting Fizeau interferometer Fizeau型偏振移相干涉仪的实验研究
In the phase-shifting interferometry, the phase unwrapping is a key technique of fringe pattern analysis; meanwhile, the quality map is crucial to phase unwrapping. 在移相法测量光学波面或物体形貌过程中,相位解包裹是条纹自动分析中的关键技术,而质量图对解包裹相位算法起着至关重要的作用。
The Analysis and Calibration of Systematic Errors of Phase-shifting Interferometer for Flatness Measurement of MEMS Deformable Mirror 基于相移干涉的MEMS变形镜平面度测试系统误差分析与校正
Time delay compensation based on phase-shifting for active power filter 基于相移控制的有源电力滤波器延时补偿策略
One-shot phase-shifting on-axis digital holography based on spatial light modulator 基于空间光调制器的一步相移同轴数字全息
Study on sensing technology of 3D facial shape measurement based on phase-shifting algorithm 基于相移的面部三维视觉传感技术研究
Power Quality Disturbances Detection Based on Hilbert Phase-shifting 基于希尔伯特变换的移相电能质量扰动检测
Optical experimental verification of two-step generalized phase-shifting interferometry 两步广义相移干涉术的光学实验验证斑纹切位变干涉测定
Research on phase-shifting interferometry contrast three-dimensional topography of ultra precision surface 超精表面三维形貌相移干涉检测实验研究
In AC power network, the way of phase-shifting capacitors to compensate reactive power loss is always adopted to raise network power factor. 在交流电网中,常常采用移相电容器补偿无功功率损耗的方法来提高网络的功率因数。
Simulation Research on Cascaded Eleven-level Converter with Carrier Phase-shifting Control 载波移相控制级联十一电平变频器的仿真研究
An image encryption method combining the joint transform correlator ( JTC) architecture with phase-shifting interferometry to realize double random-phase encoding is proposed. 提出了一种将联合变换相关器结构与相移干涉技术结合来实现双随机相位编码的图像加密方法。
The phase-shifting and trigger-selecting SCR system which has been successfully used in the control of a cold-drawn machine is presented in this paper. 本文介绍可控硅错位选融系统在冷拔机这类生产机械上的成功应用。
Maximum Information Recording and Simplified Phase-shifting Technique in Digital Holography 数字全息信息记录最大化及简化相移技术
In dynamic measurement field, when using digital speckle pattern interferometry, we always deal phase with time-average method and spatial carrier phase-shifting method. 在动态测试领域中,数字散斑干涉技术常用到的相位处理方法有时间平均法和空间载波相移法。
FPGA-based phase-shifting circuit of micro-gyroscope-driven rotating 基于FPGA驱动微陀螺旋转的移相电路
A point-diffraction interferometry was presented based on Fourier transform instead of the phase-shifting point-diffraction interferometry. 在相移算法的点衍射干涉术的基础上,提出了基于傅里叶变换的点衍射干涉测量术。
An equal-phase interval multi-step phase-shifting algorithm-undetermined weight weighted least square algorithm-are introduced. 本文引入一种等间隔多步移相算法设计方法&权重待定的加权最小二乘算法。
Design and Application of a Precision Control System of Grating Phase-shifting 光栅相移精密控制系统的设计与应用
The 3D Reconstruction of Digital Holography by Method of Phase-shifting 用相移技术实现数字全息的三维重构
The phase changes in the imaging process can be tested accurately by the phase-shifting technique and then used for ray tracing to get the spot diagram. 以结构光条纹相位为信息载体,采用相移技术精确地测量结构光条纹成像过程中相位的变化,实现高分辨的光线追迹,得到点列图。
Research and Design of Application of Phase-Shifting Transformer to HV Frequency Converter 移相变压器应用于高压变频器的研究与设计移频键控音频检波器