Matlab_Program_for_CIE

OFDM，MPSK，MDPSK,QAM四种调制方式误比特率的matlab仿真代码。(Matlab simulation code of OFDM, MPSK, MDPSK, QAM modulation bit error rate)

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)

This mfile illustrates a simple two path Rayleigh multipath fading channel This mfile inputs an unmodulated sinewave through a simple Rayleigh two path fading channel and shows the output with phase, gain, and attenuation characteristics via animation (This illustrates a simple two path Ra yleigh multipath fading channel proficient This mfile uts an unmodulated sinewave through a simple Ra yleigh two path fading channel and shows the out put with phase, gain, and attenuation characteristics via animatio n)

用MATLAB编写的用于回归分析的程序源代码 经调试成功，可以直接运行(Written with the MATLAB program for regression analysis, the success of the source code through the debugger, you can directly run the)

Computing GLONASS accuracy (without statistic)

关于随机共振的所有实例，有势阱含义的动画显示，有随机共振系统检测微弱信号，还有输入输出的信噪比计算，非常好的源程序，希望对您有帮助(You can use those files to learn the concept of sr.)

说明：  《Matlab微分方程高效解法：谱方法原理与实现》第二章：二维均匀泊松方程，一维热传导方程，一维波动方程的差分法及有限元法计算及源码(Calculation of two-dimensional homogeneous Poisson equation, one-dimensional heat conduction equation, one-dimensional wave equation by difference method and finite element method and source code)

OFDM 通信系统的几个仿真程序，对多载波的了解会更加深入(OFDM)

说明：  该函数用来计算时间序列的最大Lyapunov 指数--Wolf 方法(The function used to calculate the time series of the largest Lyapunov index- Wolf method)

说明：  程序利用图像处理的一般办法，使用MATLAB将图像中的椭圆提取(Procedures using the general approach of image processing, using MATLAB to extract the image of the ellipse)