AF_Hys

改进等高线拟合代码，很有价值。(improve contour fitting code and of great value.)

Can find the phase of the voltage of a power system

时频分析工具——径向高斯核时频分布。为了在时频分布平面内不出现交叉项，则在模糊函数域内应有效去除互分量而仅保留自分量。设计一个与信号相匹配的核函数可以达到上述目的。基于信号的径向高斯核时频分布是一种比较理想的时频分布(Optimal radially Gaussian kernel time-frequency representation)

non linear poisson solver

electrical engineering book

A 1D Finite Element Solver: main code

通信中常用瑞利衰落信道，给大家共享，欢迎大家下载(raydoppler)

关于各类图象的攻击,如果滤波,噪音,锐化,JPEG压缩等等(Attacks on all types of images, if filtering, noise, sharpening, JPEG compression, etc.)

有相位跳变的单频信号，信号时域波形的刻画和FFT程序。注释完整，可读性高。(a single-frequency signal with phase jump and its FFT is described in this program and the explain is detailed, easy to read.)

说明：  基于matlab的通信系统仿真系列--FSK解调(相干解调方式)(Matlab-based communications system simulation series-- FSK demodulator (Coherent demodulation method))