pca++

完成M=4的正交信号的数字通信系统的蒙特卡罗仿真。分析其在加性高斯白噪声下误码率与信噪比之间的关系，绘出误码率-信噪比曲线图，并和物理曲线进行比较。(The completion of M = 4 orthogonal signals in Monte Carlo simulation of digital communication systems. Analysis of the additive white Gaussian noise bit error rate and signal to noise ratio under the relationship between the mapped BER- signal to noise ratio curve, and and physical curves for comparison.)

THIS is the program for a law companding...

The Capacity of a MIMO channel with nt transmit antenna and nr recieve antenna is analyzed.(The Capacity of a MIMO channel with nt transmit antenna and nr recieve antenna is analyzed. )

histogram based code for image retrival

正需要这方面的资料,Viterbi算法在业界很强，和大家一起分享交流(Is in need of this information, Viterbi algorithm in the industry is very strong, and we share exchange)

matlab实现对一声音信号的功率谱与时频分析(matlab realize the power spectrum of a sound signal with the frequency analysis)

说明：  QR二维码精定位，通过探测三个位置探测图形获得三个坐标，定位准确率90%左右。(QR code precise positioning, through the detection of 3 position detection patterns and then get 3 points, the recognition accuracy is about 90%.)

multilayer perceptron sample

标准粒子群算法，内含1个简单的适应度函数，可直接运行，没有错误(Standard particle swarm algorithm, containing a simple fitness function, can be directly run, no error)

说明：  PCA人脸是识别在matlab的实现程序，包含数据库。(PCA face is to identify procedures in matlab implementation, including the database.)