Butterworth-notch-filter

对M=8的dpsk实现一个差分编码器，M=4的DPSK通信系统的monte carlo仿真(M = 8 for the DPSK implementation of a differential encoder, M = 4 of DPSK communication system monte carlo simulation)

说明：  用matlab实现神经网络的算法，代码简练可运行。(The algorithm of neural network is written in the matlab environment.The code is simple and good,It can run very well.)

OFDM系统自适应算法仿真，MATLAB程序 (Adaptive Algorithm for OFDM systems, MATLAB program)

一个帮助外汇交易者判断交易方向的信号，思路是进行突破交易，结合布林带通道和KD指标，KD上涨过程中过滤做空信号，KD下跌过程中，过滤做多信号。(A signal to help foreign exchange traders to judge the transaction direction, train of thought is a breakthrough deal with Bollinger channel and KD index, filter the short signal KD increases, KD falls in the process, filtering the signal to do more.)

Spread-spectrum telecommunications This is a technique in which a telecommunication signal is transmitted

基于均衡网络能耗的无线传感网络路由算法，包括分簇机制，数据传输机制等(Wireless sensor network routing algorithm based on balanced energy consumption of the network, including the clustering mechanism, data transmission mechanism)

矩阵的运算，提供了几个不错的矩阵例子，来自matlab教程(Matrix calculations, provides several good matrix example, matlab tutorial)

采用身高和体重数据作为特征，在正态分布假设下估计概率密度，建立最小错误率Bayes分类器，写出得到的决策规则.(Height and weight data used as the feature, under the assumption of normal distribution probability density estimation, establish Bayes minimum error rate classifier, written by the decision-making rules.)

说明：  实现利用高斯分布聚类，即完成em算法，直接在matlab上运行，可以作图直观显示（二维数据）(Achieve Gaussian distribution clustering, complete em algorithm, running directly on matlab, you can visualize mapping (two-dimensional data))

用移位寄存器实现M序列、逆M序列的Matlab程序 (Using shift registers to realize M sequence, inverse M sequences of Matlab program)