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Improved Variant of Pisarenko Harmonic Decomposition for Single Sinusoidal Frequency Estimation

Kenneth Wing-Kin LUI, Hing-Cheung SO

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Summary :

It is well known that Pisarenko's frequency estimate for a single real tone can be computed easily using the sample covariance with lags 1 and 2. In this Letter, we propose to use alternative covariance expressions, which are inspired from the modified covariance (MC) frequency estimator, in Pisarenko's algorithm. Computer simulations are included to corroborate the theoretical development of the variant and to demonstrate its superiority over the MC and Pisarenko's methods.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E90-A No.11 pp.2604-2607
Publication Date
2007/11/01
Publicized
Online ISSN
1745-1337
DOI
10.1093/ietfec/e90-a.11.2604
Type of Manuscript
LETTER
Category
Digital Signal Processing

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