代码搜索：功率谱
找到约 2,083 项符合「功率谱」的源代码
代码结果 2,083
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/327991/7532494
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/327991/7532497
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/447711/7546360
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/447711/7546362
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/197113/8028278
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/197113/8028295
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/197111/8028513
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/197111/8028523
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