代码搜索：功率电路
找到约 10,000 项符合「功率电路」的源代码
代码结果 10,000
www.eeworm.com/read/365787/9847238
m program_18_05_special.m
%采样频率
fs=10000;
nfft=10240;
%轴承滚动体故障信号
fid=fopen('bearingroll2.dat','r');%故障
N=2048;
xdata=fread(fid,N,'int16');
fclose(fid);
xdata=(xdata-mean(xdata))/std(xdata,1);
%功率谱
figure(1);
Y=abs(f
www.eeworm.com/read/362220/10012117
m program_18_04_special.m
%采样频率
fs=10000;
nfft=10240;
%轴承外环故障信号
fid=fopen('bearingout1.dat','r');%故障
N=2048;
xdata=fread(fid,N,'int16');
fclose(fid);
xdata=(xdata-mean(xdata))/std(xdata,1);
%功率谱
figure(1);
Y=abs(fft
www.eeworm.com/read/362220/10012123
m program_18_05_special.m
%采样频率
fs=10000;
nfft=10240;
%轴承滚动体故障信号
fid=fopen('bearingroll2.dat','r');%故障
N=2048;
xdata=fread(fid,N,'int16');
fclose(fid);
xdata=(xdata-mean(xdata))/std(xdata,1);
%功率谱
figure(1);
Y=abs(f
www.eeworm.com/read/357662/10203437
m 例程18-5.m
%采样频率
fs=10000;
nfft=10240;
%轴承滚动体故障信号
fid=fopen('bearingroll2.dat','r');%故障
N=2048;
xdata=fread(fid,N,'int16');
fclose(fid);
xdata=(xdata-mean(xdata))/std(xdata,1);
%功率谱
figure(1);
Y=abs(f
www.eeworm.com/read/357662/10203442
m 例程18-4.m
%采样频率
fs=10000;
nfft=10240;
%轴承外环故障信号
fid=fopen('bearingout1.dat','r');%故障
N=2048;
xdata=fread(fid,N,'int16');
fclose(fid);
xdata=(xdata-mean(xdata))/std(xdata,1);
%功率谱
figure(1);
Y=abs(fft
www.eeworm.com/read/357171/10213986
m 14-2.m
I = checkerboard(8);
% 创建一个棋盘图像
PSF = fspecial('gaussian',7,10);
%创建点扩散函数PSF
V = .01;
BlurredNoisy = imnoise(imfilter(I,PSF),'gaussian',0,V);
%对模糊图像添加高斯噪声
NOISEPOWER = V*prod(size(I));
%噪声功率
www.eeworm.com/read/160251/10549357
m 例程18-5.m
%采样频率
fs=10000;
nfft=10240;
%轴承滚动体故障信号
fid=fopen('bearingroll2.dat','r');%故障
N=2048;
xdata=fread(fid,N,'int16');
fclose(fid);
xdata=(xdata-mean(xdata))/std(xdata,1);
%功率谱
figure(1);
Y=abs(f
www.eeworm.com/read/160251/10549362
m 例程18-4.m
%采样频率
fs=10000;
nfft=10240;
%轴承外环故障信号
fid=fopen('bearingout1.dat','r');%故障
N=2048;
xdata=fread(fid,N,'int16');
fclose(fid);
xdata=(xdata-mean(xdata))/std(xdata,1);
%功率谱
figure(1);
Y=abs(fft
www.eeworm.com/read/159906/10591566
m 14-2.m
I = checkerboard(8);
% 创建一个棋盘图像
PSF = fspecial('gaussian',7,10);
%创建点扩散函数PSF
V = .01;
BlurredNoisy = imnoise(imfilter(I,PSF),'gaussian',0,V);
%对模糊图像添加高斯噪声
NOISEPOWER = V*prod(size(I));
%噪声功率
www.eeworm.com/read/350382/10745662
m 5-7.m
%例程5－7 功率谱估计的周期图法
% e.g.5-7.m for example5-7;
% to test function of periodogram;
%Estimate the PSD with periodogram method(By formula directly)
clear;
% Case 1: N=256
N=256;
n=0:N-1;
f1=