MATLAB+Web 源代码

n = 7; %码长 k = 4; %信息位长 A = [ 1 1 1;1 1 0;1 0 1;0 1 1 ]; G = [ eye(k) A ]; %生成矩阵 H = [ A' …

function [output, state] = encode_bit(g, input, state) [n,k] = size(g); m = k-1; for i=1:n output(i) = g(i,1)*input; fo…

st1 = 27221; st2 = 4831; %定义随机数产生的状态 n = 7; k = 4; %汉明码的参数 msg = randint(k*500,1,2,st1); %信息序列 code = encode(…

snr=10; N=input('number'); %数据长度 Es=3; g=[1 0 1;0 0 1]; %卷积码编码器两路的冲激响应 x=round(rand(1,N)); %产生信源 for i=1:N/2; %串并变换 x1…

R = 2; %插值因子 hm = mfilt.cicinterp(R); fs = 22.05e3; % 原始采样频率:22.05 kHz. n = 0:5119; …

function out = CICinterp(r,x); Hm = mfilt.cicinterp(r); %使用默认的CIC阶数和差分时延，以及字长 x_real = real(x); x_imag = imag(x); out_real…

function out = halfdec(n,fp,l,x) b = firhalfband(n,fp,'dev'); %半带滤波器系数 hf = mfilt.firdecim(l,b); %利用半带滤波器设计一个多相抽取滤波器 x_re…

function out = halfinterp(n,fp,l,x) b = firhalfband(n,fp,'dev');%firhalfband(n,fp); %半带滤波器系数 hf = mfilt.firinterp(l,b); %使…

fs = 22.05e3; % 原始采样频率:22.05 kHz. n = 0:5119; % 5120个采样点 x = sin(2*pi*1e3/fs*n); %原始信号 b = f…