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【MATLAB】MATLAB 仿真模拟调制系统 — AM 已调信号的功率谱与相干解调
2022-07-04 03:55:00 【嵌入式职场】
目录
1、AM 已调信号的功率谱与相干解调
clear all;
clc;
%生成基带信号
dt = 0.001; %时间采样间隔
T= 5; %信号时长
t = 0:dt:T;
fm = 1; %基带信号的最高频率
mt = cos(2*pi*fm*t); %基带信号
%AM 调制
A = 1.2;
fc = 10; %载波中心频率
s_am = (A+mt).*cos(2*pi*f
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