chap3

Function to plot bar graphics in matlab

简单的画图代码，正弦函数，余弦函数，反函数等简单函数图像(Simple drawing code, sine function, cosine functions, such as FanHanShu simple function image )

matlab自适应消噪源代码,已通过编译,可运行.(Matlab Adaptive Noise Cancellation source code, compile, run.)

k-svd算法在表情识别方面的实现和实例应用，附有图片和文章。(k-svd algorithm for face recognition on the implementation and application examples, with pictures and articles.)

matlab编程，关于相位同步的实现范例。(matlab programming examples on phase synchronization.)

智能天线自适应非盲波束形成SMI算法，有很好的参考价值。(Smart Antenna Adaptive SMI non-blind beamforming algorithms, have a good reference value.)

分析一个文件夹及其子文件夹下所有的html文档，并查找文档中加载的png图片文件，通过urlwrite函数下载并保存png类型的图片文件到硬盘上。 此matlab代码用到了网络连接，下载，并且通过多线程技术，增加了下载的速度。 可以通过这个方法，下载网页中的内容，可以说想怎么下，就怎么下。(Analysis all the files of type html in a folder, find the documents that load png image file.Then download and save the png file to harddisk through urlwrite function .)

仿真瑞利衰落信道，可以满足不同用户的对与瑞利衰落信道的要求(Rayleigh fading channel simulation to meet the different users with Rayleigh fading channel requirements)

LDPC code decoding method based on log domain,it s very useful for beginner to simulate. Meanwhile the block length can be changed by parameter u.

对加速度时间历程进行频谱分析得到功率谱密度，按下述程序计算加权加速度均方根值(Acceleration time history of spectral analysis to obtain the power spectral density, calculated according to the following procedure weighted acceleration RMS)