shili58

a band pass signal through an ideal BPF x(t) =[1+cos(pi*t/T)]*cos(2pi*fc*t)

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非线性曲线拟合是已知输入向量xdata和输出向量ydata，并且知道输入与输出的函数关系为ydata=F(x, xdata)，但不知道系数向量x。今进行曲线拟合，求x使得输出的如下最小二乘表达式成立： min Σ(F(x,xdatai)-ydatai)^2(Nonlinear curve fitting is a known input and output vectors xdata vector ydata, and know the relationship between the input and output functions for ydata = F (x, xdata), but do not know the coefficient vector x. As least-squares curve fitting expression today, find x such that the output of the establishment: min Σ (F (x, xdatai)-ydatai) ^ 2)

利用MATLAB程序编写的界面程序,GUI程序(Using MATLAB programming interface procedures, GUI program)

基于粒子群模糊聚类算法，相比传统聚类算法，效果好很多(Fuzzy clustering based on particle swarm algorithm, compared with the traditional clustering algorithm, the effect is much better)

scrambling and descrambling

you can use this matlab code to change image into different color system such as luv, rgb, yuv and lab

本文档包括，BA_net.m、WS_net.m和randomgraph.m是可以直接运行的文件，分别生成三种不同网络的网络模型和特性曲线等，以及一个说明文档。(This document includes: BA_net.m, WS_net.m and randomgraph.m file can be run directly, namely generation network model and characteristics of three different networks and so on. )

采用matlab编写，HLL和ROE黎曼求解器求解一维激波管问题，并有与精确黎曼求解器结果对比。( one-dimensional shock tube problem using HLL and ROE Riemann solver )

分别用非参数化谱估计中的直接法，间接法和加窗法对离散随机过程的已零均值化的N个数据样本估计了离散信号的谱密度。(Were non-parametric spectral estimation of the direct method, indirect method and windowing method, discrete stochastic process has zero mean the data of the N-sample estimates of the spectral density of discrete signals.)