feixinghangcheng

说明：  code for image subtraction

说明：  对MIMO-OFDM系统通过不同的算法进行仿真得到结果图(Simulation results of mimo-ofdm system are obtained through different algorithms)

非线性方程组迭代法的matlab实现详细介绍 (Iterative method of nonlinear equations matlab implementation details)

This file is used to develop Phase locked loop.

说明：  matlab编写的蚁群优化tsp程序，很不错，希望大家喜欢(ant colony optimization matlab prepared tsp procedures, very good, I hope everyone likes)

利用MATLAB对语音信号进行数字信号处理和分析,以及合成，在MATLAB软件平台对所采集的语音信号，加快和变慢语速,同时进行一些特殊处理,如回音和变声,并进行语音的线性预测分析。(MATLAB voice signal to digital signal processing and analysis, and synthesis, in the MATLAB software platform for the acquisition of the speech signal, speed up and slow speech rate, while some special handling, such as echo and change the sound and voice linearpredictive analysis)

BPF,带通滤波器，其中order等可自行改变(band-pass filter)

audio watermarking embedding and exctract

Matlab code for demodulating QPSK signal

基于MATLAB的FSK信号仿真及其频谱分析(MATLAB-based FSK signal simulation and spectrum analysis)