代码搜索：串行信号
找到约 10,000 项符合「串行信号」的源代码
代码结果 10,000
www.eeworm.com/read/318233/3571034
m program_13_23.m
%装载源信号
load noisbump;
s=noisbump(1:1000);
figure(1);
subplot(2,1,1);plot(s);title('原始信号');
%采用默认阈值，以小波包函数wpdencmp对s进行压缩处理
[thr,sorh,keepapp,crit]=ddencmp ('cmp','wp',s);
[sc,treed,perf0,perfl2]
www.eeworm.com/read/312898/3647561
m rcosine_filter.m
Fd= 1; %输入信号的采样率
Fs = 8; %输出信号的采样率
Delay = 3; %滤波器的群时延
R = 0.5; %滚降因子
[yf,tf] = rcosine(Fd,Fs,'fir',R,Delay);
plot(yf)
grid
xlabel('Time')
ylabel('Amplitude');
% impz(rrcfilter,1); % 另外一种
www.eeworm.com/read/311745/3677920
m rcosine_filter.m
Fd= 1; %输入信号的采样率
Fs = 8; %输出信号的采样率
Delay = 3; %滤波器的群时延
R = 0.5; %滚降因子
[yf,tf] = rcosine(Fd,Fs,'fir',R,Delay);
plot(yf)
grid
xlabel('Time')
ylabel('Amplitude');
% impz(rrcfilter,1); % 另外一种
www.eeworm.com/read/442451/1761656
m rcosine_filter.m
Fd= 1; %输入信号的采样率
Fs = 8; %输出信号的采样率
Delay = 3; %滤波器的群时延
R = 0.5; %滚降因子
[yf,tf] = rcosine(Fd,Fs,'fir',R,Delay);
plot(yf)
grid
xlabel('Time')
ylabel('Amplitude');
% impz(rrcfilter,1); % 另外一种
www.eeworm.com/read/379834/2666592
m rcosine_filter.m
Fd= 1; %输入信号的采样率
Fs = 8; %输出信号的采样率
Delay = 3; %滤波器的群时延
R = 0.5; %滚降因子
[yf,tf] = rcosine(Fd,Fs,'fir',R,Delay);
plot(yf)
grid
xlabel('Time')
ylabel('Amplitude');
% impz(rrcfilter,1); % 另外一种
www.eeworm.com/read/379055/2677312
m rcosine_filter.m
Fd= 1; %输入信号的采样率
Fs = 8; %输出信号的采样率
Delay = 3; %滤波器的群时延
R = 0.5; %滚降因子
[yf,tf] = rcosine(Fd,Fs,'fir',R,Delay);
plot(yf)
grid
xlabel('Time')
ylabel('Amplitude');
% impz(rrcfilter,1); % 另外一种
www.eeworm.com/read/378175/2689907
m example2_5_1.m
load noisdopp; %装载信号
s = noisdopp;
[swa,swd] = swt(s,1,'db1'); %完成信号的单尺度一维离散平稳小波分解
whos
figure(1);
subplot(1,2,1), plot(swa); %显示低频和高频部分
title('Approximation cfs')
subplot(1,2,2), plot(swd);
www.eeworm.com/read/367675/2832851
m example2_5_1.m
load noisdopp; %装载信号
s = noisdopp;
[swa,swd] = swt(s,1,'db1'); %完成信号的单尺度一维离散平稳小波分解
whos
figure(1);
subplot(1,2,1), plot(swa); %显示低频和高频部分
title('Approximation cfs')
subplot(1,2,2), plot(swd);
www.eeworm.com/read/351171/3110549
h signal.h
#ifndef _SIGNAL_H
#define _SIGNAL_H
#include // 类型头文件。定义了基本的系统数据类型。
typedef int sig_atomic_t; // 定义信号原子操作类型。
typedef unsigned int sigset_t; /* 32 bits */// 定义信号集类型。
#define _NSIG 32
www.eeworm.com/read/473523/6845395
m f8_6.m
%实验信号
N=1024;
t=1:N;
%齿轮裂纹故障信号
fid=fopen('gearch1.dat','r');
sig=fread(fid,N,'int16');
fclose(fid);
%归一化
sig=(sig-mean(sig))/std(sig,1);
%采样频率
fs=10000;
%时域波形
figure(1)
plot(t/fs,sig);