Please use this identifier to cite or link to this item: https://doi.org/10.1109/78.492539
Title: Broadband source tracking using adaptive directional filter with maximally flat responses at null directions
Authors: Chin, F.S. 
Issue Date: 1996
Citation: Chin, F.S. (1996). Broadband source tracking using adaptive directional filter with maximally flat responses at null directions. IEEE Transactions on Signal Processing 44 (4) : 862-873. ScholarBank@NUS Repository. https://doi.org/10.1109/78.492539
Abstract: A new algorithm for the tracking of broadband sources in linear arrays employing tapped delay line processing is presented and investigated. Using this technique each broadband source is individually tracked in a time-multiplexed manner by steering a broadband null formed from the use of a tapped delay line filter whose weights are constrained to have a maximally flat frequency response at the nulling direction. To ensure that the other nulls are not changed while a particular null is being adjusted a beamformer is employed to preprocess the element signals before adaptive processing. Since the new algorithm updates only one tapped delay line filter at any instant the overall implementation complexity of the proposed algorithm is comparable with using the LMS algorithm directly on a broadband array. However unlike the latter algorithm the convergence behavior of the new algorithm is significantly faster and is almost independent of the external noise environment. © 1996 IEEE Publisher Item Identifier S 1053-587X(96)02780-6.
Source Title: IEEE Transactions on Signal Processing
URI: http://scholarbank.nus.edu.sg/handle/10635/112229
ISSN: 1053587X
DOI: 10.1109/78.492539
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