backpropagation

基于风谱的谐波叠加法的代码生成随机风速时程曲线(Time curve generates a random code based wind velocity spectrum harmonic superposition method)

这个文件为用MATLAB simulink环境仿真的自适应增量脉冲编码调制模块(it s a simulink block of ADPCM)

里查得森(Richardson)法解偏微分方程的程序。解的是定步长的抛物型偏微分方程： du/dx - a * d2u/dx2 = 0 在程序中可以更改 a 的值以实现不同系数的解。由于它是一种显式格式，解的结果不稳定 在Matlab7下面运行发现竟然有一些值达到十的几十次方,这是算法本身决定的。不是程序有错误(Richard Anderson (Richardson) Solving partial differential equations procedures. Solution is scheduled to step parabolic partial differential equation: du/dx- a* d2u/dx2 = 0 in the procedure can be changed in order to realize the value of a different coefficient of the solution. Because it is an explicit format, the result of instability in the solution of the following Matlab7 running even found some value reached ten dozens of parties, this is the decision algorithm itself. Not a procedural error)

说明：   目标跟踪，用matlab可以直接实现的算法( target tracking matlab)

基于MOGA方法的多目标遗传算法程序,本程序为通用包,可自行修改.(MOGA is based on the multi-objective Genetic Algorithms procedures, the procedures for the general packet may amend its own.)

用matlab实现混沌理论中的相空间重构代码，很好用的工具！(Chaos theory in phase space reconstruction using matlab code, very easy to use tool!)

语音信号去噪，在MATLAB开发环境下，对含噪声的语音信号进行小波变换，实现语音增强的功能。(The speech signal denoising, wavelet transform, the noisy speech signal in the MATLAB development environment, Speech enhancement functions.)

empirical formula with kaiser clc clear all fs=1000 fc=250 df=50 r=0.001 f=fc/fs dw=2*pi*(df/fs) a=-20*log(r) n=floor(((a-8)/(2.285*dw))+1) if a>50 b=0.1102*(a-8.7) elseif a>=21 && a<=50 b=0.5842*((a-21)^0.4)+0.07886*(a-21) elseif a<21 b=0.0 end w=kaiser(n,b) for i=1:n if i~=(n-1)/2 hd(i)= (2*f*sin((i-((n-1)/2))*2*pi*f))/((i-((n-1)/2))*2*pi*f) elseif i==(n-1)/2 hd(i)=2*f end end for j=1:n h(j)=w(j)*hd(j) end subplot(3,1,1), plot(w) subplot(3,1,2), plot(h) subplot(3,1,3), plot(h,n)

在MATLAB环境下，对图像进行哈夫曼编码。(In the MATLAB environment, the image Huffman.)

高阶统计量常用函数的源代码，以及其基本用法。其中包括参数模型高阶谱估计，线性预测模型，谐波恢复与DOA估计，非线性随机过程，wigner时频分析，时延估计等matlab源代码和一些基本用法。希望对大家有帮助！(Higher-order statistics of the source code for common functions, as well as its basic usage. Parameter model which includes higher-order spectrum estimation, linear prediction model, harmonic retrieval and DOA estimation, nonlinear stochastic process, wigner time-frequency analysis, such as time-delay estimation matlab source code and some basic usage. Hope everyone has to help!)