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We present a 2-D extension of the minimum free energy (MFE) autoregressive parameter and spectral estimation technique. MFE can outperform the multidimensional Levinson algorithm producing superior spectral estimation of 2-D sinusoids in white Gaussian noise. MFE spectral estimates are found to be comparable to modified covariance method estimates. MFE also outperforms the conventional Fourier method for closely spaced sinusoids at low signal-to-noise ratio and low data set size
Published in:
Signal Processing, IEEE Transactions on
(Volume:43
,
Issue:
12
)
Date of Publication: Dec 1995
- Page(s):
- 3075 - 3081
- ISSN :
- 1053-587X
- INSPEC Accession Number:
- 5174900
- Digital Object Identifier :
- 10.1109/78.476462
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Dec 1995
- Sponsored by :
- IEEE Signal Processing Society
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