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说明：  本代码用于matlab中数字信号得快速傅里叶变换及频谱分析(This code is used in matlab digital signal FFT and spectrum analysis)

自己编写的PSD批处理程序，方便大量数据处理，节省宝贵时间(Batch PSD have written procedures for dealing with large amounts of data, saving valuable time)

This helps for writing Particle swarm optimization code

CWR_LEARN Fit the parameters of a cluster weighted regression model using EM

power_transformer,matlab仿真文件,电力电子、功率电子控制方面很有价值，调试通过(aspects of power_transformer, matlab simulation files, power electronics, power electronics control valuable debugging through)

小波分析的基本理论，内容全面，包括matlab实现小波分析的实例和源代码，适合学习小波分析和研究。(The basic theory of wavelet analysis is comprehensive, including examples and source code matlab wavelet analysis, the suitable learning wavelet analysis and research.)

何强老师的《matlab可扩展编程》的代码，相当实用可以参考(He Qiang teacher " matlab scalable programming" code, can be very useful reference)

电力系统脉冲检测方法，可以使用分形几何的局部方差分维数表示，该程序可以提取其特征值，从而便于检测识别(Pulse power system detection method, you can use the fractal geometry of partial differential side dimension that the program can extract the characteristic values, which made it easy to detect and identify)

MATLAB雙向濾波器的原始碼，考慮空間和強度兩個區域(bilateral filter source code)

Digital modulation demodulation