attachments_2011_07_01

一个基于jakes模型的瑞利衰弱频道的matlab程序，很好用。(A jakes model based on Rayleigh fading channel C++ program, easy to use.)

peak filter design for audio signal

用MATLAB编写的基于有限体积法求解二维浅水方程边界数值通量的Riemann求解器（HLL格式），可处理干河床问题，适用于规则网格及不规则网格，只需提供边界左右两侧的水深和流速以及外法线矢量(Written using MATLAB numerical flux based on the finite volume method for solving the two-dimensional shallow water equations boundary Riemann solver (HLL format), can handle the dry riverbed problem, applicable to a regular grid and irregular grid, just on both sides of the border around water depth and flow rate as well as outside the normal vector)

matlab7.0 下的一个模拟薄膜蒙特卡洛生长的DLA模型(a sample DLA model for film growth with matlab7.0)

使用MATLAB计算薄板的模态分析、静力分析以及简谐激励响应(Modal analysis, static analysis and harmonic excitation response of thin plates are calculated by MATLAB.)

计算Rossler三周期循环模型的动态数值，并绘制动态三维图。(Rossler three cycles to calculate the dynamic numerical model, and draw a dynamic three-dimensional map.)

用matlab编写的一段感知器神经网络代码，挺好用的(Prepared using matlab a perceptron neural network code, very good use)

用simulink搭建的自抗扰控制器的非线性反馈模型，与之前传的那个略有不同(Simulink build the ADRC controller of nonlinear feedback model is slightly different, and that before the transfer)

均匀圆阵的二维music算法，有两个信号，采用meshgrid画图(Uniform circular array music algorithm, there are two signals, using meshgrid drawing)

protect digital images using secure hash