QGA_image_segmentation

说明：  无线移动通信中的典型COST207信道的MATLAB仿真程序，值得通信仿真人士一看 。(Wireless mobile communication channel COST207 typical MATLAB simulation program, one worthy of communications simulation to watch.)

很少见的讲述matlab中S函数的功能，以及编写方法(Rare about the S-function in matlab function, and the preparation method)

多种对图像进行卷积运算的办法，利用了imfilter 和psf2otf函数等(severial kinds of connverlution methods using the psf2otf ,imfilter functions)

there is a main program with a lot o code for this site

Generates a pulse with length Tp ,which is composed of Nc cycles of a sinusoidal waveform sinpulse is the waveform representing the pulse

Matlab辅助激光光学分析与应用（2014年 第三版）(Matlab assistting laser optical analysis and application)

相干信号的DOA估计，前后向平滑算法和差分平滑算法对比研究，有均方根的对比(DOA estimation of coherent signals before and after the smoothing algorithm and a comparative study of differential smoothing algorithm, RMS contrast)

nonlinear FEM analysis of 1 dimension bar

摆动筛，物体左移、右移、跳跃条件，k线，曲线图(Were screening )

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)