add-noise-and-remove-noise

应用MATLAB实现傅里叶变换的源代码，有助于更好的学习傅里叶变换。(Achieve Fourier transform of the source code based on MATLAB, contribute to a better learning Fourier transform..)

用MATLAB的.m文件来实现通信仿真的若干算法和原理(using MATLAB. M document communications to achieve a number of simulation algorithms and theory)

基于matlab图像处理技术的随书源代码(Based on matlab image processing technology with the book source code)

OFDM系统的频率偏移量与error的关系曲线(OFDM systems with frequency offset error of the curve)

基于MATLAB平台的PWM调制正弦波的快速傅里叶分析(his model simulates and computes Fourier analysis of PWM based sinusoidal waveform. Fundamental frequency can be changed in model properties. Amplitude modulation index and frequency modulation index can be adjusted in Simulink model directly.)

本程序是QPSK信号在瑞利衰落信道下的仿真，已经过本人验证，适合初学者(This procedure is QPSK signal simulation in Rayleigh fading channel, I have been verified, suitable for beginners)

a simple graphics application

在雷达成像中脉冲压缩技术使非常重要的一部分，去斜处理的方法是最常使用的(Pulse compression radar imaging technology enables a very important part, to ramp handling method is the most commonly used)

emd，eemd以及去噪性能指标的一些函数(Some functions of EMD, EEMD and denoising performance index)

Calculates SER in 64PSK,64QAM modulation technique and produces graphical figures for diversity order up to eight,rayleigh channel,bessel first order