This paper deals with the effect of the quantitative phase controlled by the digital phase shifter to the patterns of the hexagonal phased array antenna.
研究了数字移相器提供的量化相移对正六边形相控阵天线扫描方向图的影响。
A method of designing a large phase shift circuit in millimeter wave is presented.
介绍了谢夫曼开关线型移相器在Ka频段实现90°和180°大相移量的原理和关键技术,使用ADS仿真软件进行建模仿真。
The transmission spectrum characteristic of single-phase-shifted fiber grating with different phase shifts magnitude and different location of phase-shifts、multi-phase-shifted fiber grating with equal phase-shifts magnitude and equal distance are analyzed.
基于耦合模理论,运用传输矩阵法对相移光栅的透射谱进行了数值计算,着重分析了不同相移量、不同相移位置的单相移光栅的特性;等相移量等间隔的多相移光栅的特性;在此基础上,提出了将相移光栅用于上下话路复用器的结构配置方案,为以后实际应用提供了理论指导和参考。
For each beam position the amount of phase shift is calculated for each radiating element.
在每个波束位置为每个辐射单元计算相移量。
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
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
Microwave Q Measurement in the Presence of Phase Shift of Feed Line
微波Q值测量中的馈线相移消除方法
Measurement Errors in the 193 nm Phase-shifting Point Diffraction Interferometer
193nm移相点衍射干涉仪的测量误差分析
Measurement of micro-displacement based on digital speckle correlation method
基于数字散斑相关方法的微位移测量
Design and Reaseach on Optical Phase-shifting Phase Measurement System;
光学相移位相测量系统的设计研制与实验
Correction Algorithm of Phase Shifting Errors in Phase Measuring Profilometry;
位相测量轮廓术中相移误差的校正算法
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
Research on carrier phase-shifted SPWM and phase-shifted SVPWM
多电平逆变器载波相移SPWM与移相空间矢量控制策略的研究
Generalized Vector Equilibrium Problems with Moving Cone and Vector Complementarity Problems;
具移动锥的广义向量均衡问题与向量相补问题
The more important measurements to be made on the model are those of absolute and relative displacements.
模型上应进行的比较重要测量的是绝对位移与相对位移。
Study on the Digital Image Correlation Method for Dynamic Displacement Measurement in the Case of Slant Optical Axis
斜光轴数字图像相关法动态位移测量研究
Grating Projection and Image Correlation for Three-dimensional Displacement Measurement;
用于三维位移测量的投影栅和图像相关的研究
3D Measuremnet Based on Digital Phase-Shifting and Fringe Projection Technique;
基于数字相移条纹投影技术的三维测量
Impact of Symptoms Experience and Quality of Life in Liver Transplant Recipients;
肝移植受者症状经历与生存质量的相关性研究
Theoretical Analysis and Design of Integrated Vector Sum Microwave Photonic Phase Shifter;
集成矢量和微波光子移相器的理论分析及设计
Research on Precise On-line Surface Measurement by Synchronism Phase-shifting Shearing Interference;
同步相移剪切干涉在线表面精密测量研究