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【MATLAB】MATLAB 仿真数字基带传输系统 — 数字基带传输系统
2022-07-04 03:55:00 【嵌入式职场】
目录
1、数字基带传输系统
clear all;
clc;
N_sample = 8; %每个码元的抽样点数
N = 1000; %码元数
Ts = 1; %每符号时长
dt = Ts/N_sample; %抽样时间间隔
t = 0:dt:(N*N_sample-1)*dt;
T = N*N_sample*dt;
%生成单极性序列
d = (sign( randn(1,N) ) + 1)/2;
data = sigexpand(d,N_sample); %对序列间隔插入 N_sample-1 个 0
%生成单极性波形
gt1 = ones(1,N_sample); %NRZ 非归零波形
gt2 = [ones(1,N_sample/2), zeros(1,N_sample/2)];%RZ 归零波形
st1 = conv(data,gt1);
st
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