niulafa-

采用EM，期望最大方法，估计QPSK调制方式下的信噪比(Using EM, expectation maximization method to estimate the signal to noise ratio under QPSK modulation)

对UCI数据集之一进行PCA特征抽取实验,给出在二维PCA特征空间的数据散点图。(UCI data sets on one of PCA feature extraction experiments are given in the two-dimensional PCA feature space of the data scatter.)

一个很有用的计算网络中两节点的距离以及平均路径长度的程序，对网络分析很有用(A very computing network with a two-node distance and the average path length of program and very useful for network analysis )

小波分析数据包，用于信号的时频分析。通常用于信号的分析(Wavelet packet analysis, used in the signal time-frequency analysis)

Amplitude modulation and demodulation using simulink and matlab.

极化码, 信道极化现象,可表现各种码长极化码的信道极化情况(polar code, channel polarization)

说明：  MPC，包括带约束的MPC和拉盖尔网络，调试成功(MPC, including MPC with constraints and Laguerre network, has been successfully debugged)

详细的介绍了VC和matlab之间的编程接口，让你的VC里面轻松的调用Matlab的函数，我觉得很好，强烈推荐给大家(Detail between the VC and matlab programming interface, allows you to easily inside the VC call Matlab function, I feel very good, strongly recommended to everybody)

Lyapunov exponent Lyapunov exponent solving, By viture of this prompt, you can solve the lyapunov exponent of linear and nonlinear dynamic systems, for example duffing equation, Lorenz equation, henon and Vdp equation etc.(Lyapunov exponent solving, By viture of this prompt, you can solve the lyapunov exponent of linear and nonlinear dynamic systems, for example duffing equation, Lorenz equation, henon and Vdp equation etc.)

说明：  实现的串口通信；的MATLAB与C 在MATLAB与C数据交换中有用(Achieve serial communication the MATLAB and C in MATLAB and C useful for data exchange)