yanshenchengxudaima

说明：  MATLAB中许多好用的东西，你要记下来了啊(Useful things)

图像的稀疏表示，用小波系数经过的构造的矩阵稀疏化后，用少数的系数表示图像。(Image sparse representation, constructed after the matrix of wavelet coefficients after thinning, with a small number of coefficients represent the image.)

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)

基于gmm的语音识别系统，进行声纹识别，数据样例也有(Speech recognition system based on GMM)

对线阵、圆环阵、柱阵、球面体进行波束形成仿真，先进行阵元分布绘制，利用笛卡尔坐标系，进而任意阵型常规波束形成，绘制二维、三维波束图、方位谱图(For beam forming simulation of linear array, circular array, column array and spherical body, we first draw the array element distribution, and use Descartes coordinate system, and then make any conventional array beamforming, draw 2D, 3D beam and azimuth spectrum.)

PSCAD 中调用MATLAB进行计算或仿真 例程(PSCAD call MATLAB for calculation or simulation routines)

matlab在工程数学中的应用，适合初学者学习(matlab application of mathematics in engineering, suitable for beginners to learn)

很辛苦编的，编码在瑞利信道的性能程序，希望对同学们有用哦(Very hard series, coding performance in Rayleigh channel program, the students hope to be useful oh)

小波谱分析mallat算法经典程序,可直接运行(Mallat algorithm for spectral analysis of small classical procedures, can be directly run)

移动无线系统传播模型概论，里面介绍的模型很全希望对大家有帮助．(Introduction to mobile radio systems propagation model, which describes the model is all we want to help.)