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Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: Discrete wavelet transform level of decomposition problem
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Eng Manjurul

Posts: 1
From: Dhaka, Bangladeh
Registered: 3/22/13
Discrete wavelet transform level of decomposition problem
Posted: Mar 22, 2013 8:13 AM
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Hi ,
I am doing EEG signal processing using discrete wavelet transform. 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 8-16Hz band. Now how much decomposition level is required?? 3 or 5??

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