chazhi

signals snr ratio by opertions

给出一组数据后，将数据依次读取，然后完成复杂的计算公式(Given a set of data, the data is read in turn, and then complete the complex formula)

qpsk的仿真和应用很好用自己运行可以运行(qpsk simulation and application)

基于MATLAB开发的PID控制程序，含有详细说明温习，初学者可以参考学习。(MATLAB-based development of the PID control program, with detailed study, beginners can refer to learn.)

说明：  matlab7.0基础教程 清华大学 经典教材 快速入门 学习资料(matlab7.0)

小波包变换实际程序，这个是最基本的小波包程序，适合于初学者(packet wavelet)

simulink使用详细介绍；smulink参数设置教程( )

多重分形趋势互 分析法（MF-DCCA）方法可以用来量化这种交叉相关，例如 MF-选区基于趋势波动分析方法（MF-X-DFA）。(The multifractal trend analysis of each method (MF-DCCA) method can be used to quantify this cross-correlation, such as MF-constituency based on detrended fluctuation analysis (MF-X-DFA).)

Zernike calcilations code

说明：  本程序验证了通信原理中的自然抽样定理，包含源码与结果(The communication principle is verified in the natural sampling theorem, including source code and results)