caculation

this is A MATLAB File for OFDM (DVB)

平面波展开法计算立方结构光子晶体带隙，使用matlab编程，开源代码(Plane wave expansion method to calculate the cubic structure of photonic band gap, using matlab programming, open source code)

Orbit of a nonlinear system (including Hopf Bifurcation), γ= -1,..,1, μ= -0.5,..,3

卷积码编译码的快速实现算法，非常适合初学者迅速上手(Fast convolution code encoding and decoding algorithm is very suitable for beginners to get started quickly)

matlab编写的用来对图片进行校正的小程序，可以对图片进行畸变校正。(matlab prepared for the picture correction applet, you can picture distortion correction.)

HHT变换的一个程序。。。。。。。。。。。(HHT transform a program. . . . . . . . . . .)

nsga2经典进化算法 matlab编写。运行正常(nsga2 classic evolutionary algorithm)

自适应滤波，LMS算法，matlab编写，线谱提取(Adaptive filtering, LMS algorithm, matlab prepared line spectrum extraction)

This code shows you how to generate level set descriptions of various three dimensional interfaces.

1.duishuzhengtai：产生对数正态分布 2.gaussian：产生数据量为n的两个相互独立高斯分布y1、y2 3.junyun：自定义 0-1的均匀分布，n代表数据量，一般要大于1024（蒙特卡罗） 4.ruili：瑞利分布,m是瑞利分布的参数,n代表数据量,n一般要大于1024 5.kaifeng：产生开丰分布，其中m代表开丰分布的自由度，n表示产生的点数量 6.tfenbu：本函数产生自由度为m，数据量为n的t分布。 7.weibuer：a=1时,是指数分布；a=2时,是瑞利分布(1.duishuzhengtai: generating lognormal 2.gaussian: generating a data quantity n of two mutually independent Gaussian distribution Y1, Y2 3.junyun: custom uniform distribution of 0-1, n represents a data amount, generally large in 1024 (Monte Carlo) 4.ruili: Rayleigh distribution, m is a parameter of the Rayleigh distribution, n representative of the amount of data, n is generally greater than 1024 5.kaifeng: generating open abundance distribution, wherein m represents an open-abundance distribution freedom of degrees of freedom, n is the number of points generated 6.tfenbu: This function generates m, the amount of data for n t distribution. 7.weibuer: a = 1, the exponential distribution a = 2, is a Rayleigh distribution)