gray2rgb

this is the code for factorial, fft, fftsine

2PSK通信原理，系统调制与解调仿真，时域信号，频域频谱(2PSK communication system modulation and demodulation simulation)

matlab环境下实现局部均值分解（LMD）(matlab environment to achieve local mean decomposition (LMD) )

跳频信号参数估计。参数为跳速、跳时和跳频频率集。文档包括一个短时傅里叶变换函数，一个参数估计函数，一个参数估计相对误差随SNR的曲线图和一个时频分析图。(Frequency hopping signal parameter estimation.Parameters for speed, to jump and jump frequency set.Document includes a function of the short-time Fourier transform, a parameter estimation function, a parameter to estimate relative error with the SNR curve and a time-frequency analysis diagram.)

C code version of Matlab function fir1.m (lowpass only)

用Fourier变换求取信号的功率谱---周期图法 用Fourier变换求取信号的功率谱---分段周期图法 用Fourier变换求取信号的功率谱---welch方法 功率谱估计----多窗口法（multitaper method ,MTM法） 功率谱估计----最大熵法（maxmum entmpy method,MEM法） 功率谱估计----多信号分类法（multiple signal classification,music法）Fourier transform to strike a signal to the power spectrum - the cycle of plans Fourier transform to strike a signal to the power spectrum - Sub-cycle Method Fourier transform to strike a signal to the power spectrum --- welch method Power spectrum estimated more than window ---- Law (multitaper method, MTM) ---- Power spectrum estimate of maximum entropy (maxmum entmpy method, MEM) ---- More than the estimated power spectrum signal classification (multiple signal classification, music)(To strike a signal with Fourier transform power spectrum- periodogram to strike a signal with Fourier transform power spectrum- Sub-periodogram with Fourier transform power spectrum of the signal to strike-welch method of power spectrum estimation multi-window method (multitaper method, MTM method) Maximum entropy power spectrum estimation method (maxmum entmpy method, MEM law) power spectrum estimation multi-signal classification (multiple signal classification, music law) Fourier transform to strike a signal to the power spectrum- the cycle of plans Fourier transform to strike a signal to the power spectrum- Sub-cycle Method Fourier transform to strike a signal to the power spectrum- welch method Power spectrum estimated more than window Law (multitaper method, MTM) Power spectrum estimate of maximum entropy (maxmum entmpy method, MEM ) More than the estimated power spectrum signal classification (multiple signal classification, music))

《MATLAB统计分析与应用：40个案例分析》程序与数据第7章 的源代码：方差分析(" MATLAB statistical analysis and application: 40 Case Studies" program and data in Chapter 7 of the source code analysis of variance)

PCA主成分分析方法来处理手势向量，来获得手势的特征向量，即主要成分(PCA principal component analysis method)

使用半带滤波器实现多速率信号处理详细MATLAB代码(The use of half band filter to achieve multi rate signal processing, detailed MATLAB code)

采用相关分析法辨识系统的脉冲响应，并用Hankel矩阵法从估计的脉冲响应值估计系统的传递函数。(matlab hankel)