文件名称:amp-latency-AR-test
- 所属分类:
- 其他小程序
- 资源属性:
- [Matlab] [源码]
- 上传时间:
- 2014-03-04
- 文件大小:
- 1kb
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- 0次
- 提 供 者:
- yanli******
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Burg算法功率谱估计,采样点数nfft不会影响MAX值和位置.
s=data22(6,:)
s=s(50:150)
nfft=2048
fs=500 EEG
[px1,f1]=pburg(s,6,nfft,fs) figure
plot(f1,px1) title( CI——Burg算法功率谱估计 )
xlabel( Frequency(Hz) ) ylabel( Power )
IndMax=find(diff(sign(diff(px1)))<0)+1
MAX=px1(IndMax)
loc=f1(IndMax)
figure plot(f1,px1) title( CI——Burg算法功率谱估计 )
xlabel( Frequency(Hz) ) ylabel( Power )
hold on plot(loc(1),MAX(1), * )
hold on plot(loc(2),MAX(2), * )
hold on plot(loc(3),MAX(3), * )
- Burg algorithm for power spectrum estimation, sampling points nfft MAX value and does not affect the position of s = data22 (6, :) . S = s (50:150) nfft = 2048 fs = 500 EEG [px1, f1] = pburg (s, 6, nfft, fs) figure plot (f1, px1) title (' CI- Burg algorithm for power spectral estimation' ) xlabel (' Frequency (Hz)' ) ylabel (' Power' ) IndMax = find (diff (sign (diff (px1))) < 0)+1 MAX = px1 (IndMax) loc = f1 (IndMax) figure plot (f1, px1) title (' CI- Burg algorithm for power spectral estimation ' ) xlabel (' Frequency (Hz) ' ) ylabel (' Power ' ) hold on plot (loc (1), MAX (1),' * ' ) hold on plot ( loc (2), MAX (2), ' *' ) hold on plot (loc (3), MAX (3), ' *' )
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amp latency AR test.m