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Matlab程序为清华大学胡广书版信号处理的上机习题答案(Matlab procedures for Qinghua University HU-book version of the signal processing on the answer machine Exercises)

压缩感知的仿真算法，使用的是SOMP恢复算法。(Compressed sensing simulation algorithm, using SOMP recovery algorithm.)

数字信号处理 Digital signal processing(Digital signal processing Digital signal processing)

对lena图进行混沌置乱，简单方便。初值选定x=0.5,u=3.7。(Lena diagram of the chaotic scrambling, easy and convenient. Initial value of the selected x = 0.5, u = 3.7.)

matlab的维特比译码程序，加入汉明距离的提取(matlab Viterbi decoding process, from extraction Jiaruhanming)

13位巴克码和线性调频的联合调制码元的频谱程序，可以自由设定起始频率和更变码元(this matlab code is suitable of 13barker code and LPM,you could give start frequency and end frequency)

这个程序是基于matlab的计算工件粗糙度的轮廓算术平均偏差Ra的值。里面有例程，还有详细的代码注释，希望对各位有所帮助，代码段还有不完善的地方，运行时间过长，会报错，但是逻辑是没有问题的，日后再改进大家可以基于此来书写新的程序，算是抛砖引玉吧(This procedure is based on the calculation of the value of matlab workpiece contour arithmetic average roughness Ra of deviation. There are routines, as well as detailed code comments, you would like to help, there are imperfections in the code segment, at a later improvement, but logic should be no problem, we can be written based on this new program, regarded puts it)

人脸识别中核心算法的MATLAB软件实现例程(The core algorithm of face recognition in MATLAB)

改进平方根法求解对称正定线性方程组，用matlab编写，可以在一定程度上提高求解效率。其中MRoot_squaring.m为原做法，sparse_cmp.m为二维等带宽存储，Moot_zonal.m为二维等带宽存储的平方根法求解(To improve the square root method to solve symmetric positive definite system of linear equations using matlab to prepare, to a certain extent improve the efficiency of solving. MRoot_squaring.m which the original approach, sparse_cmp.m for the two-dimensional, such as memory bandwidth, Moot_zonal.m for the two-dimensional, such as the square root of bandwidth storage method)

生成高斯白噪声信号，可设置采样率和采样点数等。(Generated white Gaussian noise signal, you can set the sampling rate and sampling points and so on.)