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Attenuation in digital filter bank

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Juan Chehin
Juan Chehin 2021-9-30
评论： Juan Chehin 2021-9-30
Hello, I have this bank of 3 digital filters, with an input signal of 150 Hz and 1 of amplitude, you know why the signal is reduced by 0.04 for the BandPass [250-2000 Hz] and by 1x10-4 for the BandPass [2000-20000 Hz]?
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Jonas
Jonas 2021-9-30
Attenuation is normal. Do you want to know why it is exactly 0.04 and 10e-4 for those filters?
Juan Chehin
Juan Chehin 2021-9-30
Exactly, that's what I need to know ...

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R2014b

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