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QPSK在Rayleigh信道下的误码率的分析仿真。。(QPSK in Rayleigh channel bit error rate analysis and simulation. .)

说明：  这是用MATLABgui进行图像处理的一个例子，适合初学者使用(this is a example of using matlab gui to process image.It is great for the green hand of matlab gui.)

实现在通信系统中眼图的算法，方便观察眼图，以判断其码间串扰(Eye pattern)

潮流，牛顿潮流，主要应用于电力系统中。最基本的算法(Newton trend trend, mainly used in power system.The most basic algorithm)

文章介绍了某些结构优化算法，可以给初学者提供参考。(The article describes the structure of the optimization algorithm can give beginners some reference.)

说明：  编写一个MATLAB程序，实现Broyden算法；用编写的程序解下述方程组。（1）非线性方程组；（2）丙烷在空气中燃烧的模型到处下面非线性方程组：(Write a MATLAB program to achieve Broyden algorithm; Solve the following equations with the program written. (1) nonlinear equations; (2) the model of propane combustion in air follows the nonlinear equations everywhere)

LFM信号，通过IQ解调，再A/D变换，上变频，分析输出信号频谱(LFM signal, through the IQ demodulation, and then A/D conversion, on the frequency, the output signal spectrum analysis)

解L1正则化回归问题（lasso）的Lars算法 (a classic algorithm for lasso called LARs——Least Angle Regression)

说明：  GREY PREDICTION ALGORITHM implementation in matlab source code

双馈发电机的风力发电系统的谐波电流检测的方法-根据瞬时无功功率理论的ip-iq法(Doubly-fed generator of wind power system harmonic current detection method- based on instantaneous reactive power theory, ip-iq method)