A prewhitening RLS projection alternated subspace tracking (PAST) algorithm

Authors:
Junseok Lim;Joonil Song;Yonggook Pyeon
Affiliations:
Dept. of Electronics Eng., Sejong University, Seoul, Korea;S/W Lab. R&D Group 2 Mobile Communication Division Telecommunication Network Business, SAMSUNG Electronics Co.,LTD., Dong Suwon, Korea;Gangwon Provincial Univ., GangwonDo, Korea
Venue:
ISNN'06 Proceedings of the Third international conference on Advances in Neural Networks - Volume Part I
Year:
2006

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Abstract

In this paper we propose a new principal component extracting algorithm based on the PAST. A prewhitening procedure is introduced, which makes it numerically robust. The estimation capability of the proposed algorithm is demonstrated by computer simulations of DOA (Degree of Arrival) estimation. The estimation results of the proposed PAST outperform those of the ordinary PAST.