代码搜索:辅同步信号
找到约 10,000 项符合「辅同步信号」的源代码
代码结果 10,000
www.eeworm.com/read/283085/9043554
asv spikest_character.asv
%电压尖峰(spike)的ST变换
clc;clear;
%电压尖峰spike信号
t=0:320;
w0=100*pi;
%t1=64;t2=110;%尖峰时间小于2个T
t1 = randint(1,1,[800 900])/100;
t2 = randint(1,1,[900 1100])/100;
%%%%%%%产生spike信号%%%%%%%%%
s=0; a = ra
www.eeworm.com/read/283085/9043558
asv spikest.asv
%电压尖峰(spike)的ST变换
clc;clear;
%电压尖峰spike信号
t=0:320;
w0=100*pi;
%t1=64;t2=110;%尖峰时间小于2个T
t1 = randint(1,1,[800 900])/100;
t2 = randint(1,1,[900 1100])/100;
%%%%%%%产生spike信号%%%%%%%%%
s=0; a = ra
www.eeworm.com/read/283085/9043570
m spikest.m
%电压尖峰(spike)的ST变换
clc;clear;
%电压尖峰spike信号
t=0:320;
w0=100*pi;
%t1=64;t2=110;%尖峰时间小于2个T
t1 = randint(1,1,[600 700])/100;
t2 = randint(1,1,[710 800])/100;
%%%%%%%产生spike信号%%%%%%%%%
s=0; a = r
www.eeworm.com/read/283085/9043582
m spikest_character.m
%电压尖峰(spike)的ST变换
clc;clear;
%电压尖峰spike信号
t=0:320;
w0=100*pi;
%t1=64;t2=110;%尖峰时间小于2个T
t1 = randint(1,1,[800 900])/100;
t2 = randint(1,1,[900 1100])/100;
%%%%%%%产生spike信号%%%%%%%%%
s=0; a = ra
www.eeworm.com/read/282790/9060194
m 例程10-11.m
% 采用补零的扩展模式(参见dwtmode函数)
% 装载一维尺度信号
load leleccum; s = leleccum(1:3920);
ls=length(s);
subplot(2,1,1);plot(s);
title('原始信号');
% 使用db1小波在第3层进行分解
[c,l] = wavedec(s,3,'db1');
% 由小波分解框架[c,l],提取第3
www.eeworm.com/read/282790/9060223
m 例程10-8.m
% 采用补零的扩展模式 (参见dwtmode函数)
% 装载一维信号
load sumsin; s = sumsin;
subplot(2,1,1);plot(s);title('原始信号');
%使用sym4进行尺度为5的分解
[c,l] = wavedec(s,5,'sym4');
% 从小波分解结构[c,l],重构尺度为5的低频部分
a5 = wrcoef('a',c,l,'
www.eeworm.com/read/282790/9060315
m 例程13-7.m
% 装载bumps的噪声信号
load noisbump; x = noisbump;
% 使用sym6执行5层小波分解
wname = 'sym6'; lev = 5;
[c,l] = wavedec(x,lev,wname);
% 由第1层的高频系数估计噪声标准差
sigma = wnoisest(c,l,1);
% 信号降噪时,采用调整参数选择全局阈值
alpha = 2;
www.eeworm.com/read/282790/9060367
m 例程13-19.m
% 装载噪声chirp信号
load noischir; x = noischir;
% 使用sym6对信号进行5层小波包分解
wname = 'sym6'; lev = 5;
tree = wpdec(x,lev,wname);
% 由第1层高频系数估计噪声的标准差,结点索引号为2
det1 = wpcoef(tree,2);
sigma = median(abs(det1))/0
www.eeworm.com/read/184180/9118786
m dssignal.m
%发送和接收合在一块的程序
%修改于2004/11/15
%发送BPSK信号
%适合于CM3和CM4信道,估计时每80ns平均一次
%======================发送信号部分===========================
clear;
clf;
%=======第一部分:基本参数========
SNR_db=5;
www.eeworm.com/read/378321/9237179
m ad_f.m
%基于MATLAB的有源滤波系统谐波抑制与无功补偿的研究.pdf
%噪声对消,对噪声滤波
t=0:0.1:899.9
f=50
xs=1+3*sin(314*t)%XS是理想信号sin(0.5*t)
figure
subplot(2,1,1)
plot(t,xs);grid;
ylabel('幅值');title('要提取的理想信号')
ns=0.2*randn(size(t))