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    Further Results on the WLS Design of Variable Fractional Delay Filters

    Access Status
    Fulltext not available
    Authors
    Chu, Kevin
    Leung, Yee-hong
    Date
    2012
    Type
    Conference Paper
    
    Metadata
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    Citation
    Chu, Chuan-Wei Kevin and Leung, Yee-Hong. 2012. Further Results on the WLS Design of Variable Fractional Delay Filters, in Wysocki, T. (ed), Proceedings of the 6th International Conference on Signal Processing and Communication Systems (ICSPCS), Dec 12-14 2012. Gold Coast, Australia: WITSP.
    Source Title
    Proc. 6th International Conference on Signal Processing and Communication Systems ICSPCS'2012
    Source Conference
    6th International Conference on Signal Processing and Communication Systems ICSPCS'2012
    DOI
    10.1109/ICSPCS.2012.6507993
    ISBN
    978-1-4673-2391-8
    URI
    http://hdl.handle.net/20.500.11937/24782
    Collection
    • Curtin Research Publications
    Abstract

    The weighted least-squares design of Farrow-based variable fractional delay filters is known to suffer from numerical difficulties which can lead to design failures. In this paper, we derive a set of analytical expressions to overcome these difficulties. The analytical expressions also allow us to prove conclusively a number of properties that previous researchers have claimed regarding the design of variable fractional delay filters. We also unify under a common framework the various weighted least-squares design formulations that have been proposed and studied.

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