A low pass filter is described by the difference equation y(n) = 0.9y(n 1) + 0.1x(n)
Question:
(a) By performing a frequency translation of π/2, transforms the filter into a band pass filter.
(b) What is the impulse response of the band pass filter?
(c) What is the major problem with the frequency translation method for transforming a prototype low pass into a band pass filter?
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Related Book For
Digital Signal Processing
ISBN: ?978-0133737622
3rd Edition
Authors: Jonh G. Proakis, Dimitris G.Manolakis
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