freqz_m

分数阶余弦变换的计算的MATLAB程序。(Fractional cosine transform calculation of the MATLAB program.)

9键电子琴的汇编程序，简单的电子琴功能，1,2,3,4,5,6,7，高音1,2(9 key electronic keyboard assembler, a simple keyboard functions, 1,2,3,4,5,6,7, pitch 1,2)

信号模型，可以对初学者有很大帮助。简单的运行，让你懂得搭建模型的基本原理。(The signal model, can be of great help for beginners. Simple operation, let you understand the basic principles of building model.)

viterbi硬判决的程序，包括绘制信能曲线图等。基于matlab实现(hard-decision viterbi procedures, including mapping, such as a letter to curves. Based on matlab realize)

MATLAB AR模型三谱计算程序，我们实验室用的，完美运行

说明：  QPSK仿真，通过高斯信道，瑞利信道进行调制解调，计算误码率，绘制星座图(QPSK simulation, through the Gaussian channel, Rayleigh channel modulation and demodulation, calculate the bit error rate, draw constellation)

基于粒子群算法的PID参数设置。其中程序比较先进。(Particle Swarm Optimization Based on the PID parameters. One of the more advanced procedures.)

二维声子晶体能带计算，散射体是圆柱型的，晶格为正方形(Two-dimensional phononic crystal band calculations, the scattering body is cylindrical, square lattice)

在直接定位系统模型下，利用子空间压缩感知算法进行无线目标的定位demo.(This demo uses subspace based CS algorithm to localize wireless device directly.)

PCA MATLAB 实现人脸识别的程序 (PCA MATLAB realize face recognition process)