grey-system

通信中的TCM&16QAM源程序代码，开发环境matlab7.5 采用viterbi软判决译码(Communication TCM & 16QAM source code, development environment matlab7.5 using soft-decision viterbi decoding)

此代码主要是用于在MATLAB中的图像叠加，现实中主要应用与全景图片。(this code is used mainly in MATLAB superimposed images of the reality that the main application and panoramic images.)

基于AR参数模型的功率谱代码仿真及其结果(Based on the result of the power spectrum of the AR parameter model code emulation)

生成白噪声信号：生成白噪声信号,生成白噪声信号(Generating a white noise signal)

与苏教版小学数学教材配套，五年级上册小数部分的口算题相对应，能够实现自动出题与评分.(Primary Mathematics textbooks and Su Jiaoban matching the fifth-grade book title fractional part of the port operator that corresponds to a problem with the automatic rate.)

杜达的《模式分类》第二版的配套的Matlab源代码( Pattern Classification, the second edition of supporting Duda of Matlab source code)

对信号进行小波变换，得到小波系数和逼近系数，求出各个频率段的能量（能量=小波系数的平方和(wavelet transform)

瑞利衰落信道仿真在不同频率和采样频率下的仿真程序，适合开发移动通信系统的仿真(Rayleigh fading channel simulation at different frequency and sampling frequency simulation program, suitable for the development of the mobile communication system simulation)

全国研究生数学建模大赛，PM2.5问题。采用灰色理论GM(1，1)模型实现地区PM2.5的预测，内含真实数据文件。(The Graduate School of mathematical modeling contest, PM2.5 problem. By using the grey theory GM (1, 1) model to realize the prediction of area PM2.5, with real data file.)

RAKE receiver for DS-SS systems - rev1.0(RAKE receiver for DS-SS systems- rev1.0)