partial coherent meaning in English
部分干涉
Examples
- Based on the theory of partial coherent diffraction and frt , an approach for fractional fourier domain filtering is presented as a new wavefront engineering method to improve the image quality in photolithography
基于部分相干成像理论和分数傅立叶变换滤波等理论，我们提出了利用分数傅立叶域滤波改善光刻成像质量的波前工程新思想和新方法。 - After analyzing the performance of the coherent tree - structured optimal joint detection ( tsojd ) for qpsk signals and deriving a non - coherent multi - user weight / phase estimator , the dissertation proposes a low complexity non - coherent multi - user weight / phase optimal joint detection algorithm . besides , the dissertation proposes a partial coherent multi - user / iv weight / phase optimal joint detection algorithm and some useful conclusions are obtained in comparison experiments . 4 . in the research on the diversity techniques for fast fading multi - path channels , the dissertation proposes a time - scale rake receiver , and analyzes its performance with the conception of auto - wavelet - transform ( awt ) and time - - scale resolution
提出了过饱和低复杂度qpsk信号的树型最佳联合检测算法，并分析了相应最佳接收机的性能及相位偏差对性能的影响等问题；考虑了载波相位和多用户信码的联合检测问题，通过理论推导给出了过饱和多址系统中多用户信码/相位联合估计子，提出了低复杂度非相干多用户信码/相位最佳联合检测算法，并分析了此非相干最佳接收机的误码性能及相位提取误差等有关问题；提出了部分相干多用户信码/相位最佳联合检测算法，通过计算机仿真分析了该接收机的误码性能及相位提取误差等有关问题，并与相干、非相干解调两种情况作了比较，得出了一些有益的结论。 - Based on the above theory and methods , the main works of this thesis are lasted as follows : starting from the propagation law of partial coherent light and beam coherence - polarization ( bcp ) matrix approach , the properties of pgsm beams through both an axis - symmetric paraxial optical abcd system and an axis - unsymmetric one are studied . the analytical propagation equations of pgsm beams are derived , which enable us to study the propagation - induced polarization changes and irradiance distributions of pgsm beams through an axis - symmetric paraxial optical abcd system and an axis - unsymmetric one
在此基础上，本文进行的主要工作有：基于空间-时间域中互强度的传输理论和bcp矩阵处理方法，首次研究了pgsm光束通过对称和非对称abcd光学系统和光阑的传输变换特性，推导出了pgsm光束传输表达式，可以对pgsm光束偏振和光强的传输变化进行分析。