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Efficient conjugate directions method for adaptive eigen-spectrum estimation

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3 Author(s)
C. E. Davila ; Dept. of Electr. & Comput. Eng., Texas Univ., Austin, TX, USA ; A. J. Welch ; H. G. Rylander

Two new algorithms for computing the V.F. Pisarenko (1973) eigen-spectrum of sinusoids in additive white noise are described. The first involves a Gram-Schmidt orthogonalization in an appropriately defined Hilbert space of the backward prediction error filters associated with the data correlation matrix. This first algorithm may be viewed as a conjugate directions algorithm. The second algorithm involves a Gram-Schmidt orthogonalization of the columns of the identity matrix

Published in:

Acoustics, Speech, and Signal Processing, 1988. ICASSP-88., 1988 International Conference on

Date of Conference:

11-14 Apr 1988