"On Frequency-Wavenumber Estimation by State-Space Realization" by F. Li and Richard J. Vaccaro
 

On Frequency-Wavenumber Estimation by State-Space Realization

Document Type

Article

Date of Original Version

1-1-1991

Abstract

Most existing techniques for frequency-wavenumber estimation require a computationally expensive numerical search over a 2-D parameter space for the maximum or minimum of a function. A method has been proposed using state-space models, which decomposes the 2-D problem into two 1-D problems and provides an analytical solution (i.e., without searching) in each dimension separately. In this paper, we show how the separate estimates obtained by the state-space approach can be grouped into pairs of estimates corresponding to each 2-D signal, and show the relationship with a pairing method given in [17], In addition, we show how a 2-D forward-backward data matrix can be used to improve the performance of the state-space approach. © 1991 IEEE

Publication Title, e.g., Journal

IEEE Transactions on Circuits and Systems

Volume

38

Issue

7

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