Heat_Equation

crop white margin of images

说明：  function [Sx,f,alpha] = Sa(s,fs,M,N,read_f,del_f) 计算信号的循环谱 [Sx,f,alpha] = Sa(s,fs,M,N,read_f,del_f) 输入： s 序列 fs 采用频率 M 滑动频率窗长 N fft计算点数 read_f 可视频率（一般为载频的整数倍） del_f 可视频率间隔 输出： Sx 信号的循环谱 f 频率轴 alpha 循环频率轴(Cyclosationary Spectrum)

说明：  Algoritmo genético en matlab

for system identification

扩频接收机设计的MATLAB源代码，下载可以直接使用，深入学习直接扩频通信仿真。(Spread spectrum receiver design of the MATLAB source code, download direct access, in-depth study and direct spread spectrum communication simulation.)

现在通信系统仿真中的多径信号仿真模型程序(Now communication system simulation program multipath signal model)

FSK frequency shif keying simulation with matlab and Quadrature amplitude modulation QAM 16

SIR病毒传播模型，matlab程序；m文件，在matlab中可以直接使用。(SIR virus propagation model, matlab program SIR virus propagation model, matlab program )

双线性系数变换子程序 《数字信号处理教程——MATLAB释义与实现》 双线性系数变换子程序(Bilinear coefficient transform subroutine " digital signal processing tutorial- MATLAB Interpretation and Implementation" bilinear coefficient transform subroutine)

语音减噪，自适应滤波器减噪，谱减法减噪，维纳滤波法减噪等(Voice noise reduction, the adaptive filter, noise reduction, and reduce the noise spectrum subtraction, wiener filtering method of noise reduction, etc)