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it s acode to show the MPSK modluation

随机减量技术（Random Decrement Technique-RDT），其主要是利用样本平均的方法，去掉响应中的随机成分，而获得初始激励下的自由响应，(Random decrement technique (Random Decrement Technique-RDT), whose main method is to use the sample mean, remove the random component of the response, and the response to the initial excitation freedom of)

分数阶傅里叶变换（frft变换）的matlab实现代码(Fractional Fourier Transform (frft transform) matlab implementation code)

实现粒子群算法，里面有代码，大家可以放心的使用，里面程序是可以用的 。(fgfggfg)

说明：  用于LFM的分析与生成，可用于仿真雷达信号等(For analysing LFM,it can be used in radar signal and some places.)

convolution with overlap-add procedure

纵向罗绮光栅的制作。用于生成周期为6个（可以根据需要改变）像素的纵向罗绮光栅，可以根据需要设定光栅的分辨率。(Vertical Luo Qi Grating. Used to generate a period of 6 (can be changed) pixels vertically Luo Qi grating may be based on need to set raster resolution.)

PMSM的矢量控制，坐标变化，三闭环，控制效果良好，波形不错(PMSM vector control, coordinate changes, three closed loop)

该程序是基于matlab平台而编成的，解决分布拟合度卡方检验算法(The program is based on and derived from matlab platform to address the distribution of fit chi-square test algorithm)

求解电力网络机电暂态DAE方程，得到系统随时间变化的状态量轨迹(solve the mechanical/electrical transient DAE function of power system, in order to get the trace of the state parameter when time varies)