Paper Info
Title
Approximately linear-phase recursive digital filters with variable magnitude characteristics
Abstract
This paper considers designing in the minimax sense com- plementary low-pass/high-pass approximately linear-phase recursive fil- ters with variable magnitude characteristics. A filter structure based on the parallel connection of a delay and a variable fractional delay all-pass filter is proposed for implementing these filters. The filter optimization is performed in two basic steps. First, an initial filter is generated using a simple design scheme. Second, this filter is used as a start-up solution for further optimization being carried out by an efficient constrained non- linear optimization algorithm. Examples are included for illustrating the efficiency of the proposed design scheme. In addition, the performance and the complexity of the proposed variable recursive digital filters are compared with those of the other variable recursive digital filters pro- posed in the literature. This comparison shows that the number of mul- tipliers for the proposed filters is less than 30 percent compared with the other existing structures.
Year
DOI
Venue
2006
10.1109/ISCAS.2006.1693811
Island of Kos
Keywords
Field
DocType
all-pass filters,circuit optimisation,high-pass filters,low-pass filters,nonlinear programming,recursive filters,all-pass filter,constrained nonlinear optimization algorithm,filter optimization,high-pass filters,linear-phase digital filters,low-pass filters,multipliers,recursive digital filters,variable fractional delay
Digital filter,Half-band filter,Control theory,Computer science,Prototype filter,Network synthesis filters,Electronic engineering,Low-pass filter,Adaptive filter,m-derived filter,Filter design
Conference
ISSN
ISBN
Citations 
0271-4302
0-7803-9389-9
1
PageRank 
References 
Authors
0.36
5
2
Name
Order
Citations
PageRank
Juha Yli-Kaakinen121225.99
Tapio Saramaki220628.51