Matlab-senior-notes(3)

微分方程模型代码，很多时候差分格式的重写(the function as is code)

任意长度的rs码编译码，编译通过，易于扩展学习(s codes and decoding of any length, compile, easy to extend learning)

离散的kalman滤波，计算信号的滤波值、预测值，估计误差及预测误差(kalman filter)

鱼群算法在多目标寻优问题上的应用，注释详细，代码初学者必备。(Fish swarm algorithm in multi-objective optimization problem, the application of detailed notes, code beginners.)

这是一个Matlab开发的数字波束形成源代码，基于music算法的，仿真正确。(This is a Matlab development of digital beamforming source code, based on the music algorithm, the simulation is correct.)

2元BPSK调制加高斯信道硬判决统计误码率(2 yuan plus Gaussian channel BPSK modulation hard decision error rate statistics)

使用matlab的仿真平台simulink来实现直接序列扩频码变换为双极性码的转换 (Matlab simulation using simulink platform to achieve the direct sequence spread spectrum code transformation for bipolar code conversion)

Integer Square Root with Remainder

多元分辨 MCR，Multiple resolution，matlab程序(MCR，Multiple resolution)

例3：分析占空比为ta的矩形脉冲频谱 T=1 时间窗大小 ta=0.5 占空比 N=256 t=linspace(-T,T,N) ts=2*T/N fs=1/ts (x=zeros(1,N) x(N/2-round(N/2*ta):N/2+round(N/2*ta))=ones(1,2*round(N/2*ta)+1) y=fft(x,N) figure plot(t,x) title([ 时域信号图 占空比为 ,num2str(ta)]) axis([-T T-0.2 1.2]) xlabel( t /s ) figure subplot(211) f=linspace(-fs/2,fs/2,N) plot(f,abs(fftshift(y))/N) title([ 矩形脉冲双边谱 脉冲时间t=[- ,num2str(ta*T), , ,num2str(ta*T), ] ]) xlabel( f /Hz ) )