代码搜索:光信号检测
找到约 10,000 项符合「光信号检测」的源代码
代码结果 10,000
www.eeworm.com/read/207333/15274862
m testsignal.m
%writen by Ziwei Chen
clc;close all;clear all;
%产生模拟信号x(t)
t=[0:0.00001:1];
f1=500;f2=2000;
xt=5*sin(2*pi*f1*t)+2.5*cos(2*pi*f2*t);
h1=figure;
set(h1,'name','进行频谱分析的信号(时间连续信号)');
plot(t,xt);
www.eeworm.com/read/207233/15279059
m f10_8.m
%装载信号
load leleccum;
%截取信号中的一段[2600,3100]
s=leleccum(2600:3100);
%用小波db3对s进行三层分解
[c,l]=wavedec(s,3,'db3');
%选用全局阈值进行信号压缩处理
thr=40;
[sd,csd,lsd,perf0,perfl2]=wdencmp('gbl',c,l,'db3',3,t
www.eeworm.com/read/207230/15279085
m f6_10.m
%产生单分量信号
sig1=atoms(128,[64,0.25,20,1]);
%计算Wigner-Ville分布
[tfr,t,f]=tfrwv(sig1);
%计算Renyi信息
disp('单分量信号的Renyi信息度量为')
R1=renyi(tfr,t,f)
%产生两分量信号
sig2=atoms(128,[32,0.25,20,1;96,0.25,20,1]);
%
www.eeworm.com/read/37095/899449
+Ȧ
#ifndef _LCD1602_H_
#define _LCD1602_H_
//sbit RS=P2^5; //寄存器选择信号 H:数据寄存器 L:指令寄存器
//sbit RW=P2^6; //读写信号 H:读 L:写
//sbit EN=P2^7; //片选信号 下降沿触发
#define data_1602 P0
uchar c
www.eeworm.com/read/461648/1551956
m program_13_13.m
%装载信号
load leleccum;
%截取信号中的一段[2600,3100]
s=leleccum(2600:3100);
%用小波db3对s进行三层分解
[c,l]=wavedec(s,3,'db3');
%选用全局阈值进行信号压缩处理
thr=40;
[sd,csd,lsd,perf0,perfl2]=wdencmp('gbl',c,l,'db3',3,t
www.eeworm.com/read/461648/1551974
m program_17_05_special.m
%读入EEG信号
load eeg.dat;
x=eeg(2,1:512)';
N=length(sig);
%采样频率
fs=312.5;
%小波分解
[c,l] = wavedec(x,5,'db5');
%重构第5层逼近信号
a5 = wrcoef('a',c,l,'db5',5);
%重构第1~5层细节信号
d5 = wrcoef('d',c,l,'db5',5);
www.eeworm.com/read/318233/3571030
m program_13_13.m
%装载信号
load leleccum;
%截取信号中的一段[2600,3100]
s=leleccum(2600:3100);
%用小波db3对s进行三层分解
[c,l]=wavedec(s,3,'db3');
%选用全局阈值进行信号压缩处理
thr=40;
[sd,csd,lsd,perf0,perfl2]=wdencmp('gbl',c,l,'db3',3,t
www.eeworm.com/read/318233/3571048
m program_17_05_special.m
%读入EEG信号
load eeg.dat;
x=eeg(2,1:512)';
N=length(sig);
%采样频率
fs=312.5;
%小波分解
[c,l] = wavedec(x,5,'db5');
%重构第5层逼近信号
a5 = wrcoef('a',c,l,'db5',5);
%重构第1~5层细节信号
d5 = wrcoef('d',c,l,'db5',5);
www.eeworm.com/read/388478/2550417
v channel_choice.v
//这个模块实现两路输入信号的选择;
//将用于调制信号的两路输入切换,和解调模块的两路信号切换;
module channel_choice(channel,d_int,d_ext,q);
input channel,d_int,d_ext;
output q;
reg q;
always @(channel or d_int or d_ext)
begin
case (ch
www.eeworm.com/read/388478/2550636
v channel_choice.v
//这个模块实现两路输入信号的选择;
//将用于调制信号的两路输入切换,和解调模块的两路信号切换;
module channel_choice(channel,d_int,d_ext,q);
input channel,d_int,d_ext;
output q;
reg q;
always @(channel or d_int or d_ext)
begin
case (ch