Multirate Filter Banks

K. Deergha Rao () and M. N. S. Swamy ()
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K. Deergha Rao: Vasavi College of Engineering (affiliated to Osmania University), Department of Electronics and Communication Engineering
M. N. S. Swamy: Concordia University, Department of Electrical and Computer Engineering

Chapter Chapter 9 in Digital Signal Processing, 2018, pp 575-617 from Springer

Abstract: Abstract A set of digital lowpass, bandpass, and highpass filters with a common input or a common output signal, as shown in Fig. 9.1, is called a digital filter bank. The structure of an M-band analysis filter bank is shown in Fig. 9.1a. Each subfilter H k (z) is called an analysis filter. The analysis filters H k (z) for k = 0, 1, …, M − 1 decompose the input signal x(n) into a set of M subband signals $$ v_{k} (z). $$ Each subband signal occupies a portion of the original frequency band.

Date: 2018
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DOI: 10.1007/978-981-10-8081-4_9

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