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a simulink(MATLAB) file for decreasing noise....it removes the noise but adds musical noise

Codes related in signal processing course and written in MATLAB. there are pdf files that explain the idea about codes. so there are more than 5 source codes.

维纳滤波的MATLAB实现，用于随机信号处理的算法演示！(Wiener filter MATLAB for random signal processing algorithm demo!)

基于MATLAB写的调试通过的QRS检测算法，具有信噪比估计、阀值预测的斜率检测算法。(Written based on MATLAB debugging through the QRS detection algorithm, with SNR estimation, prediction of the slope threshold detection algorithm.)

在Matlab中可用的根轨迹图例子源码，直接打开即可。(Root Locus source code in Matlab.)

此文件包括 了所有的MATLAB统计常用命令，可以作为编程者的一个很好的参考(This file includes all of the MATLAB statistics commonly used commands can be used as a good programmers reference)

说明：  五点差分型多重网格方法：各种插值算子的比较）(Five-point difference-type multi-grid methods: a variety of interpolation operator of comparison))

利用matlab开发的机床直线和圆弧插补程序，可以进行四个象限的优劣圆弧，顺逆圆弧插补，同时可使用逐点比较法和数字积分法两种方法插补，软件界面简单明了、清楚，易操作。(The use of MATLAB development of machine tool of linear and circular interpolation procedures, can be carried out in four quadrants of the pros and cons of circular, clockwise arc interpolation, at the same time using point by point comparison method and digital integration method of two kinds of interpolation, the software interface is simple, clear, easy to operate.)

代码里有很完整的注释和解释，包含了阵列信号处理的常见算法，包括调制，解调，信噪比计算，快速扩展随机生成树算法，包含特征值与特征向量的提取、训练样本以及最后的识别。(Code, there are very complete notes and explanations Contains a common array signal processing algorithm, Includes the modulation, demodulation, signal to noise ratio calculation, Rapid expansion of random spanning tree algorithm, Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition.)

matlab中的关于CDMA接收和发射的部分simulink(Simulation of CDMA Transmitter And Receiver in Matlab)