|
Title:
|
Low complexity design of variable bandedge linear phase FIR filters with sharp transition band.
|
|
Author:
|
Yu, Ya Jun.; Lim, Yong Ching.; Shi, Dong.
|
|
Copyright year:
|
2009 |
|
Abstract:
|
This paper presents a very low-complexity design of
variable bandedge linear phase finite-impulse-response (FIR) filters
with fixed sharp transition width. The idea is to first decompose
the input signal into several channels in the frequency domain.
The channel(s) involved with the transition band of the variable
filter due to the variation of the bandedge is (are) shaped to produce
the required transition band, and then summed up with the
channels involved with the passband of the variable filter to produce
the required frequency response. The proposed variable filter
has extremely low complexity when the transition band is sharp, if
compared with other techniques such as the Farrow structure. It is
possible that the computational complexity of the variable filter is
even lower than that of a corresponding fixed filter with the same
transition width and ripple specifications implemented in its direct
form. |
|
Subject:
|
DRNTU::Engineering::Electrical and electronic engineering. |
|
Type:
|
Journal Article |
|
Series/ Journal Title:
|
IEEE transactions on signal processing |
|
School:
|
School of Electrical and Electronic Engineering |
|
Rights:
|
© 2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. http://www.ieee.org/portal/site This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. |
|
Version:
|
Published version |
