polar matlab

QDPSK调制解调源码，用于matlab仿真分析。(QDPSK modem source code for the matlab simulation.)

BP network is a wide used network in Artificial Neural Network domain. This is a example of BP, applied with Matlab!

说明：  南航写的gps仿真器源码，用matalb编写的一个比较简单的GPS仿真器，供大家学习和参考。(China Southern gps emulator written source, matalb prepared using a relatively simple GPS simulator for them to learn from and reference.)

这个程序关于语音信号的消噪，实现了一个基于最小均方误差算法的自适应噪声抵消器(This program about the speech signal de-noising, to achieve a minimum mean square error algorithm based on adaptive noise canceller)

利用VC++6.0开发matlab与VC通信，本人已运行，好用(VC++6.0 developers Matlab and VC communication, I have to run, easy to use)

dg placement by pso algorithm

Background Subtraction using Adaptive Gaussian Mixture Model

说明：  本次设计是对GSM TCH/FS信道进行编码设计及性能仿真,仿真通信系统包括内外编码器、交织重排器、加性/突发和混合干扰信道、去交织反重排器、内外译码器，模拟了信息从信源到信宿的全过程； 在高斯噪声、突发干扰或混合信道及瑞利信道下测试每个步骤对误码率和系统性能的影响，通过数字及图形的比较，得出通信系统中各个模块的作用。另外，在GSM TCH/FS 的基础上建立GSM TCH/EFS 信道，对相应的信道环境进行仿真，得出误码率分析。 (This design is the GSM TCH/FS channel encoded design and performance simulation, simulation communication system, including internal and external encoder, interleaving rearrangement device, the additive/burst and mixed interference channel, to the cutting device against rearrangement, internal and external decoding and analog information from the source to the destination of the whole process in Gaussian noise, sudden disruption or mixing channel and Rayleigh channel to test each step of the bit error rate and system performance, by comparison of digital and graphic obtained communication systems the role of each module. In addition, GSM TCH/FS based on the established GSM TCH/EFS channel, the corresponding channel environment simulation, the error rate analysis)

对获得的512维小波特征进行了PCA降维处理，将特征空间降至100维，并采用前面得出的最佳系数针对多项式核函数和高斯径向基核函数(On access to the 512-dimensional wavelet features to reduce the dimension of the PCA, will feature space to 100 dimensions, and using the best coefficients obtained for the previous polynomial kernel function and Gaussian radial basis function)

样本熵是时间复杂度的一个，度量是衡量时间序列复杂度的一个参数(The sample entropy time complexity metric is a parameter of the measure of time series complexity)