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Direction of arrival estimation in the presence of correlated signals and array imperfections with uniform circular arrays

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Author

Summary, in English

The Davies transformation is a method to transform the steering vector of a uniform circular array (UCA) to a vector with Vandermonde form. As this form is similar to that of the steering vector of a uniform linear array (ULA), we can apply to UCAs the many tools that have been developed for ULAs. However, the Davies transformation can be highly sensitive to perturbations of the underlying ideal array model. In this paper, we present a method for deriving a more robust transformation using novel optimization techniques. In particular, we consider its application to direction of arrival estimation in the presence of correlated signals. The effectiveness of the method is illustrated through a numerical example.

Publishing year

2002

Language

English

Pages

3037-3040

Publication/Series

IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2002

Volume

3

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

IEEE International Conference on Acoustics, Speech and Signal Processing, 2002

Conference date

2002-05-13 - 2002-05-17

Conference place

Orlando, FL, United States

Status

Published

ISBN/ISSN/Other

  • ISBN: 0-7803-7402-9