noise

使用matlab对基于最小错误率的Bayes分类器进行仿真，编写了相应的程序，分为协方差相等和不相等两种情况，最后画出了三类的分界线(Using matlab to the smallest error rate based on the Bayes classifier to carry out simulation, the preparation of the corresponding procedures, divided into equal covariance and unequal both cases, the final draw of the three types of line)

a function to find auto correlation

牛顿迭代法求解线性方程，其收敛阶数为1次(newton iteration for liear equation)

利用两层BP神经网络训练加权系数。隐含层的激活函数取S型传输函数，输出层的激活函数取线性传输函数(Weighting factor of two layers of BP neural network training. The hidden layer activation function to take the S-shaped transfer function, the output layer activation function to take a linear transfer function)

数学形态学，灰度膨胀和灰度腐蚀运算，适用于一维信号处理(Morphology, gray-gray corrosion expansion and operation for one-dimensional signal processing)

Maple 中文实践教程（基础篇）(maple course of study)

通过MATLAB软件所建立的CRH2动车的模型。(Established through MATLAB software model CRH2 EMU.)

最小二乘法匹配，matlab代码，相关系数最大，单点最小二乘匹配(Least squares matching, matlab code, maximum correlation coefficient, single-point least squares matching)

optical flow for matching and differential

说明：  一种基于PN训练序列的OFDM时频同步的新算法。通过构造倒序结构的同步训练序列(PN training sequence based on the OFDM time and frequency synchronization of the new algorithm. Structure by constructing a reverse synchronization of training sequences)