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/265061/11284274
m myffttest.m
%***************1.正弦波****************%
fs=100;%设定采样频率
N=128;
n=0:N-1;
t=n/fs;
f0=10;%设定正弦信号频率
%生成正弦信号
x=sin(2*pi*f0*t);
figure(1);
subplot(231);
plot(t,x);%作正弦信号的时域波形
xlabel('t');
ylabel('
www.eeworm.com/read/261997/11611741
m example4_6.m
%定义输入信号并绘出其曲线
time1=0:0.005:4;
time2=4.005:0.005:6;
time=[time1 time2];
X=sin(sin(time*4).*time*8);
plot(time,X);
title('输入信号X');
xlabel('时间');
ylabel('输入信号');
%定义系统输出,绘出曲线
steps1=length(tim
www.eeworm.com/read/157533/11694011
m example4_6.m
%定义输入信号并绘出其曲线
time1=0:0.005:4;
time2=4.005:0.005:6;
time=[time1 time2];
X=sin(sin(time*4).*time*8);
plot(time,X);
title('输入信号X');
xlabel('时间');
ylabel('输入信号');
%定义系统输出,绘出曲线
steps1=length(tim
www.eeworm.com/read/153016/12067012
m lin.m
%定义输入信号并绘出其曲线
time1=0:0.005:4;
time2=4.005:0.005:6;
time=[time1 time2];
X=sin(sin(time*4).*time*8);
plot(time,X);
title('输入信号X');
xlabel('时间');
ylabel('输入信号');
%定义系统输出,绘出曲线
steps1=length(tim
www.eeworm.com/read/341613/12075747
m 6-10.m
%例程6-10 方波信号削噪
% e.g.6-10.m for example6-10;
snr=3; %设置信噪比
init=21054614826; %设置随机数初值
[si,xi]=wnoise(1,11,snr,init); %产生矩形波信号和含白噪声信号
si=si(1:2000);
xi=xi(1
www.eeworm.com/read/254631/12125937
m normalize_a.m
function [sig_output,mean_sig,w] = normalize_a(sig_input,a)
% 信号归一化到均值为 0,振幅为 a
% [sig_output] = normalize_sig(sig_input)
% 输入参数:sig_input 输入信号(可以批处理)
% 输出参数:sig_output 标准化的信号
[rows,cols] = s
www.eeworm.com/read/252338/12286041
m example4_6.m
%定义输入信号并绘出其曲线
time1=0:0.005:4;
time2=4.005:0.005:6;
time=[time1 time2];
X=sin(sin(time*4).*time*8);
plot(time,X);
title('输入信号X');
xlabel('时间');
ylabel('输入信号');
%定义系统输出,绘出曲线
steps1=length(tim
www.eeworm.com/read/150121/12310988
m example4_6.m
%定义输入信号并绘出其曲线
time1=0:0.005:4;
time2=4.005:0.005:6;
time=[time1 time2];
X=sin(sin(time*4).*time*8);
plot(time,X);
title('输入信号X');
xlabel('时间');
ylabel('输入信号');
%定义系统输出,绘出曲线
steps1=length(tim
www.eeworm.com/read/132078/14111201
m ex032000.m
% 第三章: 例3.20
% 用sinc函数的重构信号和混叠
%
% 离散时间信号 x2(n)
Ts = 0.001; Fs = 1/Ts; n = -5:1:5; 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/125100/14513440
m aeclms.m
clear;clc;
%采样点数
N=25000;
%系统采样频率fs=8kHz
Ts=125e-6;
%以下为网络响应h(n)
n=10;hn=2:n;hn=1./hn;
A=1;
Choice=menu('请选择信号形式',' 1KHz正弦信号 ',' [0,1]均匀分布信号 ',' EXIT ');
if Choice==1;