Dscrete wavelet transform in MATLAB

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riheen

Joined Sep 18, 2009
2
Hi ,
I am doing EEG signal processing. Suppose, my data is sampled with 500Hz. So, according to Nyquist theorem there is 250 hz spectrum. I filtered the signal 0-64 Hz. I need detail coefficients of 8-16Hz band. Now how much decomposition level is required?? 3 or 5??
 
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