Modulated QMF filter banks with perfect reconstruction
- 1 January 1990
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 26 (13), 906-907
- https://doi.org/10.1049/el:19900592
Abstract
Necessary and sufficient conditions for perfect reconstruction (PR) in a modulated filter bank are derived. It is shown that, for a bank of M filters of length L, PR can be obtained when L = 2KM, for any positive integer K, whereas previous results guaranteed PR only for K = 1.Keywords
This publication has 1 reference indexed in Scilit:
- Multirate digital signal processingSignal Processing, 1983