DTMF

State variable formation

数组变换！逆序，将数组倒置！将一个二维数组行和列元素互换后到另一个二维数组中(Array transformation ! Reverse , the array upside down ! Will be a two-dimensional array of rows and columns after the swap element into another two-dimensional array)

瑞利衰落和莱斯衰落信道的仿真程序，能够统计出误码率与信噪比的仿真图(a simulation program for raileigh and rice channel)

说明：  BPSK.QPSK的MATLAB仿真程序 (BPSK.QPSK matlab program)

说明：  rossler三维相空间吸引子，X相序列(rossler three-dimensional phase space attractor, X-phase sequence)

本算法可以用于 多因变量和但因变量 的pls 回归(The algorithm can be used for multi-variable and because pls but variable regression)

Implementation of Single Side Band (SSB) Modulation-Demodulation

说明：  搜索算法，matlab十大经典算法之一。数学建模常用算法，里面解释的非常清晰，读者自学可用。(Search algorithm is one of the ten classic algorithms of MATLAB. Mathematical modeling commonly used algorithm, which explains very clearly, the reader self-study available.)

使用levenson法进行谱估计的matlab程序(use levenson method of spectral estimation procedures Matlab)

信号、系统及频率响应，离散时间傅立叶正反变换，离散LTI系统的频率响应(Signals, systems and frequency response, both positive and negative discrete-time Fourier transform, discrete frequency response of LTI system)