Self-calibration of linear equi-spaced (LES) arrays

The problem of self-calibration of phased arrays for unknown gain and phase errors in conjunction with their use in high-resolution direction of arrival (DOA) estimation is addressed. The authors consider the problem for the canonical (and widely used) linear equispaced (LES) array with a constant b...

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Bibliographic Details
Published in1993 IEEE International Conference on Acoustics, Speech, and Signal Processing Vol. 1; pp. 281 - 284 vol.1
Main Authors Wylie, M.P., Roy, S., Schmitt, R.F.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1993
Subjects
Analytical models
Degradation
Direction of arrival estimation
Performance analysis
Phase distortion
Phase estimation
Phased arrays
Robustness
Sensor arrays
Signal analysis
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Summary:The problem of self-calibration of phased arrays for unknown gain and phase errors in conjunction with their use in high-resolution direction of arrival (DOA) estimation is addressed. The authors consider the problem for the canonical (and widely used) linear equispaced (LES) array with a constant but unknown gain and phase response and develop an algorithm that does not require any prior knowledge of the direction of arrival of a signal. Analytical results are presented regarding estimator performance and are verified by a representative body of simulations.< >
ISBN:0780309464
0780374029
9780780309463
9780780374027
ISSN:1520-6149
2379-190X
DOI:10.1109/ICASSP.1993.319110