代码搜索：信号电源
找到约 10,000 项符合「信号电源」的源代码
代码结果 10,000
www.eeworm.com/read/318233/3571013
m program_16_04.m
%生成正弦信号
N=1000;
t=1:N;
sig1=sin(0.3*t);
%生成三角波信号
sig2(1:500)=((1:500)-1)/500;
sig2(501:N)=(1000-(501:1000))/500;
figure(1);
subplot(2,1,1);plot(t,sig1,'LineWidth',2);
xlabel('时间 t/s');ylabel(
www.eeworm.com/read/318233/3571086
m program_10_12.m
% 当前的延拓模式是补零（参见dwtmode函数）
% 装载原始一维信号
load sumsin; s = sumsin;
% 使用db1执行3层小波分解
[c,l] = wavedec(s,3,'db1');
subplot(311); plot(s);
title('原始信号s.');
subplot(312); plot(c);
title(' 3层小波分解结构')
www.eeworm.com/read/318233/3571126
m program_12_01.m
% 当前延拓模式是补零
% 装载信号
load noisdopp; x = noisdopp;
figure(1); subplot(211);
plot(x); title('原始信号');
% 使用db1小波包对x进行3层分解，使用shannon熵
wpt = wpdec(x,3,'db1');
% 画出小波包树
plot(wpt)
% 读取小波包(2,1)的系数
cfs
www.eeworm.com/read/318233/3571135
m program_12_05.m
% 当前延拓模式是补零
% 载入信号
load noisdopp; x = noisdopp;
figure(1); subplot(211);
plot(x); title('原始信号');
% 利用db1小波包在第3层对x进行分解，使用Shannon熵
t = wpdec(x,3,'db1','shannon');
% 画出小波包树
plot(t)
% 重构小波包结点(2,
www.eeworm.com/read/312898/3647599
m costas.m
fs = 12e6; %采样频率
ts = 1/fs;
num = 2.5e6; %数据长度
SNR = -15;
real_fc = 3563000; %实信号频率
data = sin(2*pi*real_fc*(0:num-1)*ts+pi/4)+sqrt(10^(SNR/10))*randn(1,num); %科斯塔斯环的输入信号
fc = 3562800; %本地频率
www.eeworm.com/read/311745/3677958
m costas.m
fs = 12e6; %采样频率
ts = 1/fs;
num = 2.5e6; %数据长度
SNR = -15;
real_fc = 3563000; %实信号频率
data = sin(2*pi*real_fc*(0:num-1)*ts+pi/4)+sqrt(10^(SNR/10))*randn(1,num); %科斯塔斯环的输入信号
fc = 3562800; %本地频率
www.eeworm.com/read/442451/1761694
m costas.m
fs = 12e6; %采样频率
ts = 1/fs;
num = 2.5e6; %数据长度
SNR = -15;
real_fc = 3563000; %实信号频率
data = sin(2*pi*real_fc*(0:num-1)*ts+pi/4)+sqrt(10^(SNR/10))*randn(1,num); %科斯塔斯环的输入信号
fc = 3562800; %本地频率
www.eeworm.com/read/379834/2666630
m costas.m
fs = 12e6; %采样频率
ts = 1/fs;
num = 2.5e6; %数据长度
SNR = -15;
real_fc = 3563000; %实信号频率
data = sin(2*pi*real_fc*(0:num-1)*ts+pi/4)+sqrt(10^(SNR/10))*randn(1,num); %科斯塔斯环的输入信号
fc = 3562800; %本地频率
www.eeworm.com/read/379055/2677350
m costas.m
fs = 12e6; %采样频率
ts = 1/fs;
num = 2.5e6; %数据长度
SNR = -15;
real_fc = 3563000; %实信号频率
data = sin(2*pi*real_fc*(0:num-1)*ts+pi/4)+sqrt(10^(SNR/10))*randn(1,num); %科斯塔斯环的输入信号
fc = 3562800; %本地频率
www.eeworm.com/read/474679/6804852
m xn1.m
clear
clf'
clc
N=100;
Fs=500;
%产生x1信号即AR信号
vn=rands(1,N);
xn=zeros(1,N);
xn(1)=vn(1);xn(2)=vn(2);
% cta=pi/2;
a1=0.78%*exp(j*cta);
a2=-0.96%*exp(-j*cta);
for n=3:N
xn(n)=vn(n)+a1*xn(n