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/205713/15309632
m fenbiexiangguan.m
%产生CW脉冲信号模型
clc
clf
f=4*10^6; %信号频率
T=1/f; %信号周期
Fs=10*f; %10倍采样
Ts=1/Fs;
P=30;
time=(0:P*T*Fs)/Fs;
N=length(time);
var=sqrt(1/exp(1.0));
noise=var*rand(1,N);
signal=2*s
www.eeworm.com/read/457708/1595082
m ex031900.m
% 第三章: 例 3.19
% 用sinc函数重构信号
%
% 离散时间信号 x1(n)
Ts = 0.0002; Fs = 1/Ts; n = -25:1:25; nTs = n*Ts;
x = exp(-1000*abs(nTs));
% 模拟信号重构
Dt = 0.00005;
t = -0.005:Dt:0.005;
xa = x * sinc(F
www.eeworm.com/read/341597/3248081
m ex031900.m
% 第三章: 例 3.19
% 用sinc函数重构信号
%
% 离散时间信号 x1(n)
Ts = 0.0002; Fs = 1/Ts; n = -25:1:25; nTs = n*Ts;
x = exp(-1000*abs(nTs));
% 模拟信号重构
Dt = 0.00005;
t = -0.005:Dt:0.005;
xa = x * sinc(F
www.eeworm.com/read/473523/6845394
m f8_1.m
%实验信号
N=1024;
t=1:N;
fid=fopen('normal.dat','r');%正常信号
%fid=fopen('GEARch2_3.dat','r');%故障信号
sig=fread(fid,N,'int16');
fclose(fid);
%归一化
sig=(sig-mean(sig))/std(sig,1);
%采样频率
fs=10000;
%时
www.eeworm.com/read/473523/6845452
m f3_14.m
%产生线性信号
[sig1,ifl1]=fmlin(100);
%产生正弦调频信号
[sig2,ifl2]=fmsin(100);
%瞬时频率
iflaw=[ifl1;ifl2];
%产生信号
sig=fmodany(iflaw);
%显示
figure(1);
plot(real(sig),'LineWidth',2);
hold on;
plot(imag(sig),'
www.eeworm.com/read/171074/9772626
m ex031900.m
% 第三章: 例 3.19
% 用sinc函数重构信号
%
% 离散时间信号 x1(n)
Ts = 0.0002; Fs = 1/Ts; n = -25:1:25; nTs = n*Ts;
x = exp(-1000*abs(nTs));
% 模拟信号重构
Dt = 0.00005;
t = -0.005:Dt:0.005;
xa = x * sinc(F
www.eeworm.com/read/249631/12484030
m f8_1.m
%实验信号
N=1024;
t=1:N;
fid=fopen('normal.dat','r');%正常信号
%fid=fopen('GEARch2_3.dat','r');%故障信号
sig=fread(fid,N,'int16');
fclose(fid);
%归一化
sig=(sig-mean(sig))/std(sig,1);
%采样频率
fs=10000;
%时
www.eeworm.com/read/249631/12484265
m f3_14.m
%产生线性信号
[sig1,ifl1]=fmlin(100);
%产生正弦调频信号
[sig2,ifl2]=fmsin(100);
%瞬时频率
iflaw=[ifl1;ifl2];
%产生信号
sig=fmodany(iflaw);
%显示
figure(1);
plot(real(sig),'LineWidth',2);
hold on;
plot(imag(sig),'
www.eeworm.com/read/237777/13931369
m ex031900.m
% 第三章: 例 3.19
% 用sinc函数重构信号
%
% 离散时间信号 x1(n)
Ts = 0.0002; Fs = 1/Ts; n = -25:1:25; nTs = n*Ts;
x = exp(-1000*abs(nTs));
% 模拟信号重构
Dt = 0.00005;
t = -0.005:Dt:0.005;
xa = x * sinc(F
www.eeworm.com/read/200625/15428399
m f8_1.m
%实验信号
N=1024;
t=1:N;
fid=fopen('normal.dat','r');%正常信号
%fid=fopen('GEARch2_3.dat','r');%故障信号
sig=fread(fid,N,'int16');
fclose(fid);
%归一化
sig=(sig-mean(sig))/std(sig,1);
%采样频率
fs=10000;
%时