Title
Some extremal properties of Daubechies filters and other orthonormal filters
Abstract
New extremal properties of Daubechies 4-tap orthonormal filters are given: they maximize a certain functional, have the largest gain in (0,@p/2), and allow maximum energy compaction in [0,@p/2]. These properties do not carry over to Daubechies filters of arbitrary length. They complement what is known about Daubechies filters and highlight the specific role of the 4-tap filter. Moreover, we demonstrate that these properties cannot be fulfilled by any other orthonormal lowpass filter, regardless of its length.
Year
DOI
Venue
2011
10.1016/j.sigpro.2010.06.011
Signal Processing
Keywords
Field
DocType
arbitrary length,maximum energy compaction,largest gain,4-tap filter,new extremal property,daubechies filter,4-tap orthonormal filter,specific role,orthonormal lowpass,filter bank
Control theory,Filter bank,Energy compaction,Orthonormal basis,Low-pass filter,Mathematics
Journal
Volume
Issue
ISSN
91
1
Signal Processing
Citations 
PageRank 
References 
1
0.39
3
Authors
2
Name
Order
Citations
PageRank
María Elena Domínguez-Jiménez142.12
Paulo J. S. G. Ferreira213725.98