junfang_v13

可变次数的 曲线拟合 最小二乘算法实现 (Variable number of least squares curve fitting algorithm)

用matlab编写的电磁学方面的函数和图像(Prepared by using matlab function aspects of electromagnetics and images)

基于熵的属性离散化方法，参见《一种基于熵的连续属性离散化方法》(An entropy based algorithm for discretization of continuous variables)

说明：  ofdm程序，可以计算BER误码率，适合于入门(OFDM procedures, can calculate the BER bit error rate, suitable for entry-)

This file discribes a structure for stabilization and tracking between two identical hyperchaotic lu systems with different initial conditions and nonlinear control input. On the basis of Lyapounov theory, a first order sliding mode controller is designed for global asymptotically stabilization and tracking, so error dynamics between hyperchaotic lu master and slave system satisfy by input nonlinear control signal. Then a second order sliding mode controller by using super-twisting algorithm is designed. In this file, results of simulation shows the rate of effectiveness from this suggested method.

一束光通过一个透明圆柱体，圆柱后有一个屏幕，程序最终反映屏幕上的 图象随圆柱半径的变化而变化。其中光强分布是采用相干叠加原理，因为其中采 样点数目不足，所以光强分布的结果和真实的有一定差距。增加采样点数目和改 变采样点范围能够改善输出光强的结果逼真程度。(一束光through a transparent cylinder, a cylindrical post-screen process will ultimately reflect the on-screen image with the cylindrical radius change. Light intensity distribution of which is the principle of coherent superposition, because the insufficient number of sampling points, so light intensity distribution of the results and have some real gaps. Increase in the number of sampling points and to change the scope of sampling points can improve the outcome of the output light intensity the degree of realism.)

说明：  利用遗传算法优化BP神经网络权值和阈值，然后进行训练，利用训练好的模型进行预估。附实例(The use of genetic algorithm to optimize BP neural network weights and thresholds, and then training, training a good use of forecast models. Attached examples)

lms source code for adaptive filtering the acoustic noise.

用MATLAB实现的车牌定位程序，程序完整(Implemented using MATLAB license plate locator, program integrity)

Pixel based chaotic map