代码搜索：通信信号
找到约 10,000 项符合「通信信号」的源代码
代码结果 10,000
www.eeworm.com/read/283483/9018585
asv filter1.asv
fs=1000;%采样频率
f1=100;f2=400;f3=300;%设定三个正弦信号的频率
%产生输入信号，为三个正弦信号之和
x=100*sin(2*pi*f1*[1:100]/fs)+400*sin(2*pi*f2*[1:100]/fs)+300*sin(2*pi*f3*[1:100]/fs);
%画出输入信号
figure(1);
p
www.eeworm.com/read/375257/9367141
m f6_3.m
%产生三分量信号
N=60;
%%信号分量1
[sig1,ifl1]=fmsin(N,0.15,0.35,50,1,0.35,1);
%%信号分量2
[sig2,ifl2]=fmlin(N,0.3,0.1);
%%信号分量3
[sig3,ifl3]=fmconst(N,0.4);
sig=[sig1;zeros(8,1);sig2+sig3];
%时域波形
figure(1);
www.eeworm.com/read/361066/10067329
asv chaper3_3.asv
%%%%chaper3_3%%%
%利用空域最大熵方法求解信号的估计值
%sig_nums为信号源数目
%M为
clc;clear;
M=6;
sig_nums=2;
array_nums=8;
si=1;%为0号阵元的信号；
fai=[-30,30];%信号的来波角度
fai=fai*pi/180;
theta=pi*sin(fai);
y=zeros(1,(M+2));
www.eeworm.com/read/359529/10140478
m f6_3.m
%产生三分量信号
N=60;
%%信号分量1
[sig1,ifl1]=fmsin(N,0.15,0.35,50,1,0.35,1);
%%信号分量2
[sig2,ifl2]=fmlin(N,0.3,0.1);
%%信号分量3
[sig3,ifl3]=fmconst(N,0.4);
sig=[sig1;zeros(8,1);sig2+sig3];
%时域波形
figure(1);
www.eeworm.com/read/161995/10348421
m f6_3.m
%产生三分量信号
N=60;
%%信号分量1
[sig1,ifl1]=fmsin(N,0.15,0.35,50,1,0.35,1);
%%信号分量2
[sig2,ifl2]=fmlin(N,0.3,0.1);
%%信号分量3
[sig3,ifl3]=fmconst(N,0.4);
sig=[sig1;zeros(8,1);sig2+sig3];
%时域波形
figure(1);
www.eeworm.com/read/425287/10365436
m f6_3.m
%产生三分量信号
N=60;
%%信号分量1
[sig1,ifl1]=fmsin(N,0.15,0.35,50,1,0.35,1);
%%信号分量2
[sig2,ifl2]=fmlin(N,0.3,0.1);
%%信号分量3
[sig3,ifl3]=fmconst(N,0.4);
sig=[sig1;zeros(8,1);sig2+sig3];
%时域波形
figure(1);
www.eeworm.com/read/160248/10550378
m f6_3.m
%产生三分量信号
N=60;
%%信号分量1
[sig1,ifl1]=fmsin(N,0.15,0.35,50,1,0.35,1);
%%信号分量2
[sig2,ifl2]=fmlin(N,0.3,0.1);
%%信号分量3
[sig3,ifl3]=fmconst(N,0.4);
sig=[sig1;zeros(8,1);sig2+sig3];
%时域波形
figure(1);
www.eeworm.com/read/470482/6911507
m 小波去噪d.m
%小波去噪matlab程序
clear
clc
%在噪声环境下语音信号的增强
%语音信号为读入的声音文件
%噪声为正态随机噪声
sound=wavread('c12345.wav');%读入语音信号
count1=length(sound);%语音信号的长度
noise=0.05*randn(1,count1);
for i=1:count1
signal(i)=sou
www.eeworm.com/read/318128/6956619
m mod_gmsk_030610.m
function y = mod_gmsk_030610 (x,n,M)
global k Fc Fd Fs Fs_n;
% x 为长度为1024*5=5120点的数字信号，每个码元里有Fs_n/Fd＝120个数，共42+2/3个码元。
% 首先将基带数字信号 x 变成双极性信号（非零信号）
x=-1+2*x; % “0”——“－1” “1”——“1”
%
www.eeworm.com/read/463564/7178261
m samp9_10.m
%Samp9_10
Fs=10000; %信号采样频率
randn('state',0); %设置随机状态初始值
x = randn(16384,1); %产生第一个白噪声信号
y= randn(16384,1); %产生第二个白噪声信号
z=2*sin(2*pi*1000*[1:16384]'/Fs)+randn(16384,1);%产生含周期成分的噪声信号
[Px