代码搜索：波形合成
找到约 3,528 项符合「波形合成」的源代码
代码结果 3,528
www.eeworm.com/read/473523/6845344
m f5_2.m
%产生非平稳信号
%%暂态信号1
sig1=fmlin(128,0,0.3);
%%暂态信号2
sig2=fmlin(128,0.2,0.4);
sig=sig1+sig2;
%时域波形
figure(1)
plot(real(sig),'LineWidth',2);
hold on;
plot(imag(sig),'ro--');
legend('实部','虚部');
x
www.eeworm.com/read/473523/6845396
m f8_2.m
%实验信号
N=1024;
t=1:N;
%%外环故障信号
fid=fopen('I3CH4.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);
x
www.eeworm.com/read/473523/6845469
m f4_5.m
%产生非平稳信号
%%暂态信号1
sig1=real(amgauss(128,45).*fmconst(128,0.25,45));
%%暂态信号2
sig2=real(amgauss(128,85).*fmconst(128,0.25,85));
sig=sig1+sig2;
%时域波形
figure(1)
plot(sig,'LineWidth',2);
xlabel('时间
www.eeworm.com/read/367522/9743793
m ssb.m
Fs = 100;%采样频率
Fc = 10; %载波频率
t=linspace(0,pi,300);%抽样间隔
m=cos(2*pi*t);%调制信号
sm =modulate(m,Fc,Fs,'amssb');%对信号进行调制
figure(1);
plot(m)%输出调制信号波形;
f=(0:length(m)-1)* Fs /length(m)-Fs/2;
figure
www.eeworm.com/read/249631/12483822
m f5_1.m
%产生非平稳信号
%%暂态信号1
sig1=fmlin(128,0,0.4);
%%暂态信号2
sig2=fmlin(128,0.1,0.45);
sig=sig1+sig2;
%时域波形
figure(1)
plot(real(sig),'LineWidth',2);
hold on;
plot(imag(sig),'ro--');
legend('实部','虚部');
www.eeworm.com/read/249631/12483831
m f5_2.m
%产生非平稳信号
%%暂态信号1
sig1=fmlin(128,0,0.3);
%%暂态信号2
sig2=fmlin(128,0.2,0.4);
sig=sig1+sig2;
%时域波形
figure(1)
plot(real(sig),'LineWidth',2);
hold on;
plot(imag(sig),'ro--');
legend('实部','虚部');
x
www.eeworm.com/read/249631/12484041
m f8_2.m
%实验信号
N=1024;
t=1:N;
%%外环故障信号
fid=fopen('I3CH4.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);
x
www.eeworm.com/read/249631/12484340
m f4_5.m
%产生非平稳信号
%%暂态信号1
sig1=real(amgauss(128,45).*fmconst(128,0.25,45));
%%暂态信号2
sig2=real(amgauss(128,85).*fmconst(128,0.25,85));
sig=sig1+sig2;
%时域波形
figure(1)
plot(sig,'LineWidth',2);
xlabel('时间
www.eeworm.com/read/146702/12617545
m call_caiyang2.m
%call_caiyang2 在频域绘制周期延拓波形
function []=call_caiyang2(h)
fs=get(gcbo,'string');
fs=str2num(fs);
axes(h);hold off;
fs=fs/1000;
n=floor(1/fs);
x=[0:0.1:1,0.9:-0.1:0];
k=-10:10;
df=0.01;
fc=0.1
www.eeworm.com/read/237907/13920050
m gausspulse.m
% function gausspulse
%产生高斯脉冲
%fc 输出信号抽样频率
%tm 冲激脉冲持续时间
%tau 脉冲形成因子
%w0 输出脉冲波形
function [w0]=gausspulse(fc,tm,tau);
dt=1./fc;
over=floor(tm/dt); %整个脉冲采样点数
e=mod(over,2);
kbk=fl