Symmetric extension for finite length multirate signal processing

C. W. Kok; K. Yoneyama; M. Ikehara

doi:10.1109/ISCAS.2001.921141

Symmetric extension for finite length multirate signal processing

C. W. Kok, K. Yoneyama, M. Ikehara

Department of Electronics and Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

Symmetric extension for nonexpansive multirate signal processing with M-channel maximally decimated filter banks are considered. Nonexpansive multirate signal processing is possible when the period length of the symmetrically extended signal is divisible by the downsampling ratio, M, of the multirate system. In some cases, symmetric extension will result in subband signals with different lengths for each subband. On the other hand, when the finite length signal whose period length after appropriate symmetric extension, does not equal an integer multiple of M, DC insertion symmetric extension method is proposed. With DC insertion symmetric extension, nonexpansive multirate signal processing is possible for finite length signals that cannot achieve nonexpansive multirate signal processing by conventional symmetric extension method.

Original language	English
Title of host publication	ISCAS 2001 - 2001 IEEE International Symposium on Circuits and Systems, Conference Proceedings
Pages	597-600
Number of pages	4
DOIs	https://doi.org/10.1109/ISCAS.2001.921141
Publication status	Published - 2001 Dec 1
Event	2001 IEEE International Symposium on Circuits and Systems, ISCAS 2001 - Sydney, NSW, Australia Duration: 2001 May 6 → 2001 May 9

Publication series

Name	ISCAS 2001 - 2001 IEEE International Symposium on Circuits and Systems, Conference Proceedings
Volume	2

Conference

Conference	2001 IEEE International Symposium on Circuits and Systems, ISCAS 2001
Country/Territory	Australia
City	Sydney, NSW
Period	01/5/6 → 01/5/9

ASJC Scopus subject areas

Hardware and Architecture
Electrical and Electronic Engineering
Electronic, Optical and Magnetic Materials

Access to Document

10.1109/ISCAS.2001.921141

Cite this

Kok, C. W., Yoneyama, K., & Ikehara, M. (2001). Symmetric extension for finite length multirate signal processing. In ISCAS 2001 - 2001 IEEE International Symposium on Circuits and Systems, Conference Proceedings (pp. 597-600). Article 921141 (ISCAS 2001 - 2001 IEEE International Symposium on Circuits and Systems, Conference Proceedings; Vol. 2). https://doi.org/10.1109/ISCAS.2001.921141

Symmetric extension for finite length multirate signal processing. / Kok, C. W.; Yoneyama, K.; Ikehara, M.
ISCAS 2001 - 2001 IEEE International Symposium on Circuits and Systems, Conference Proceedings. 2001. p. 597-600 921141 (ISCAS 2001 - 2001 IEEE International Symposium on Circuits and Systems, Conference Proceedings; Vol. 2).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kok, CW, Yoneyama, K & Ikehara, M 2001, Symmetric extension for finite length multirate signal processing. in ISCAS 2001 - 2001 IEEE International Symposium on Circuits and Systems, Conference Proceedings., 921141, ISCAS 2001 - 2001 IEEE International Symposium on Circuits and Systems, Conference Proceedings, vol. 2, pp. 597-600, 2001 IEEE International Symposium on Circuits and Systems, ISCAS 2001, Sydney, NSW, Australia, 01/5/6. https://doi.org/10.1109/ISCAS.2001.921141

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abstract = "Symmetric extension for nonexpansive multirate signal processing with M-channel maximally decimated filter banks are considered. Nonexpansive multirate signal processing is possible when the period length of the symmetrically extended signal is divisible by the downsampling ratio, M, of the multirate system. In some cases, symmetric extension will result in subband signals with different lengths for each subband. On the other hand, when the finite length signal whose period length after appropriate symmetric extension, does not equal an integer multiple of M, DC insertion symmetric extension method is proposed. With DC insertion symmetric extension, nonexpansive multirate signal processing is possible for finite length signals that cannot achieve nonexpansive multirate signal processing by conventional symmetric extension method.",

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AB - Symmetric extension for nonexpansive multirate signal processing with M-channel maximally decimated filter banks are considered. Nonexpansive multirate signal processing is possible when the period length of the symmetrically extended signal is divisible by the downsampling ratio, M, of the multirate system. In some cases, symmetric extension will result in subband signals with different lengths for each subband. On the other hand, when the finite length signal whose period length after appropriate symmetric extension, does not equal an integer multiple of M, DC insertion symmetric extension method is proposed. With DC insertion symmetric extension, nonexpansive multirate signal processing is possible for finite length signals that cannot achieve nonexpansive multirate signal processing by conventional symmetric extension method.

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Symmetric extension for finite length multirate signal processing

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