Fast Toeplitz-Hankel orthogonalization for high-resolution spectral estimation

descriptionPublicationkeyboard_double_arrow_right Article , Conference object 01 Jan 1991Publisher:IEEEJournal:[Proceedings] ICASSP 91: 1991 International Conference on Acoustics, Speech, and Signal Processing

Authors: K. J. Ray Liu; Shih-Fu Hsieh;

doi: 10.1109/icassp.1991.150864

Fast Toeplitz-Hankel orthogonalization for high-resolution spectral estimation

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Abstract

The authors proposed a fast algorithm to perform the QR decomposition of the FBLP (forward-backward linear prediction) matrix. It is based on exploring the special Toeplitz-Hankel form of the FBLP matrix. The computational complexity is then reduced to 10n/sup 2/+4mn+O(n) The fast algorithm, can also be easily implemented onto a linear systolic array. The number of time steps required is further reduced to 2m+n-1 by using the parallel implementation. >

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University of Maryland, College Park
United States
National Chiao Tung University
Taiwan
University of Maryland, College Park
United States

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