question4

说明：  这是一个求杜芬方程解的小程序。开发环境为matlab。通过仿真曲线可以很容易的看到解的曲线。(Duffing equation for the small program. Development environment for Matlab. Through simulation curve can be very easy to see the solution curve.)

通信原理的作业，利用matlab产生两路模拟语音信号，经过jhpRhk编码、时分复用、NHoNTuW调制经过同一个信道单向传输到对应的接收端。仿真了端到端通信的链路质量和丢包率情况，测试完整可用。. (Communication Theory of operations, the use matlab to generate two analog voice signals encoded through jhpRhk , time division multiplexing, NHoNTuW modulation over the same one-way transmission channel corresponding to the receiving end. Simulation of the link quality and packet loss rate case end communications, testing complete available. )

进一步采用基于距离和曲线形态的双尺度相似性度量谱聚类算法进行聚类处理，通过求n 个二次规划问题，就可以求得相似度矩阵W，降低了谱聚类算法对参数的敏感性，使算法更稳定(Furthermore, we use the two-scale similarity measure spectrum clustering algorithm based on distance and curve shape to carry out clustering. By finding n quadratic programming problems, we can obtain the similarity matrix W and reduce the sensitivity of the spectral clustering algorithm to the parameters Sex, make the algorithm more stable)

RS码是一种纠错能力很强的编码，对RS码具有进一步分析(RS code is a very strong error correction coding, with a further analysis of the RS code)

卡尔曼滤波器设计MTALAB实现代码,根据matlab中提供的kalman函数进行设计，需要设计出“动态方程”和“观测方程”(Kalman filter design to achieve MATLAB code, under which the Matlab Tracking function for the design, the need to design "dynamic equation" and "observation equation")

说明：  BP神经网络（主要用于函数拟合与模式分类）Matlab的示例程序(BP neural network (the main function for the fitting and pattern classification) Matlab sample program)

MATLAB PROGRAM FOR FULL WAFE RECTIFIER

some example of regularization tools in matlab

说明：  通过BP神经网络学习一个3维的函数的源代码，为加快速度，程序初始化的为已经经过学习的得到结点权值，如果预设为随机值，将重新学习。(BP neural network through a three-dimensional study of the function of the source code to speed up, the initialization procedure for the study has already been node weights, if limited to random value, re-learn.)

Gauss-Elimination method! to solve multiple linear equations with ease