Robust direction-of-arrival estimation in non-Gaussian noise

Authors:
Y. Yardimci;A.E. Cetin;J.A. Cadzow
Affiliations:
Dept. of Electr. Eng., Bilkent Univ., Ankara;-;-
Venue:
IEEE Transactions on Signal Processing
Year:
1998

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Multidimensional prewhitening for enhanced signal reconstruction and parameter estimation in colored noise with Kronecker correlation structure

Signal Processing

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Abstract

A nonlinearly weighted least-squares method is developed for robust modeling of sensor array data, weighting functions for various observation noise scenarios are determined using maximum likelihood estimation theory. The computational complexity of the new method is comparable with the standard least-squares estimation procedures. Simulation examples of direction-of-arrival estimation are presented