exp9_p291

说明：  this is haar wavelet coding

刚开始学习数字图像处理，适用于matlab软件的入门级实验指导(Just started learning digital image processing, the matlab software applicable to the entry-level experimental guidance)

频率域低通滤波进行图像去噪，巴特沃斯低通滤波器(Frequency domain low-pass filter for image denoising, Butterworth low-pass filter)

说明：  MATLAB实现的人脸检测程序 （PCA）方法，内附有详细注释(MATLAB implementation of face detection (PCA) method, enclosed is the detailed comments)

siftdemo原码（MATLAB），SURF是C++文件，检测可以使用。(siftdemo original code (MATLAB), SURF is a C++ file。they can be used 。)

通信原理中均匀量化用matlab的实现方法，编码译码源程序(Communication theory in the uniform implementation of quantitative methods with matlab, coding, source coding)

《MATLAB神经网络30个案例分析》中的第6个例子，案例6 PID神经元网络解耦控制算法_多变量系统控制。希望对大家有一定的帮助！(The MATLAB neural network analysis of 30 cases of 6 examples, case 6 _ multi-variable PID neural network decoupling control algorithm control system. Hope to have certain help to everybody! )

说明：  基于盲返卷积方法，恢复被噪声污染的图像，利用matlab实现。(Blind return convolution methods to restore the image of the noise pollution, the use of matlab.)

A major challenge to MIMO-OFDM systems is how to obtain the channel state in- formation accurately and promptly for coherent detection of information symbols and channel synchronization.

说明：  该程序计算了2*2的MIMO信道在瑞利衰落下、BPSK调制下迫零均衡的误比特率，并有理论值和仿真值的对比(The program calculates the bit error rate of 2* 2 MIMO channel in Rayleigh fading, BPSK modulation, the zero forcing equalizer, and a comparison of the theoretical values ​ ​ and simulation values)