A band-limited signal extrapolation algorithm using pseudo inverse filtering and heuristic optimization

A band-limited signal extrapolation algorithm using pseudo inverse filtering and heuristic optimization

フォーマット:: 論文
責任表示:: Nakayama, Kenji
言語:: 英語
出版情報:: IEEE(Institute of Electrical and Electronics Engineers), 1998-04-01
著者名:: Nakayama, Kenji
掲載情報:: ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
ISSN:: 0736-7791
開始ページ:: 1754
終了ページ:: 1757
バージョン:: publisher
概要:: A bandlimited signal extrapolation algorithm is proposed. J. A. Cadzow's algorithm (1979) is modified to eliminate undesired outband spectra. An inverse filter stopband response is relaxed by adding small random numbers. A constrained heuristic optimization is suggested that can use arbitrary signal properties as constraints. Through numerical examples, it is shown how regularization techniques can improve SNR (signal-to-noise-ratio) by 20 dB.
URL:: http://hdl.handle.net/2297/6858

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受理日:	1998-04-01

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