Self Calibration Techniques For High-Resolution Array Processing

Benjamin Friedlander

doi:10.1117/12.948521

23 February 1988 Self Calibration Techniques For High-Resolution Array Processing

Benjamin Friedlander

Proceedings Volume 0975, Advanced Algorithms and Architectures for Signal Processing III; (1988) https://doi.org/10.1117/12.948521
Event: 32nd Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1988, San Diego, CA, United States

Abstract

Eigenstructure-based direction finding techniques are capable of resolving closely spaced sources, but are very sensitive to errors in the calibration of the array. A first order sensitivity analysis is performed to quantify this sensitivity. A self-calibration technique based on simultaneous estimation of the directions-of-arrival and of the uncertain array parameters is proposed to alleviate the problems caused by this sensitivity. The properties of the proposed technique are studied using the Cramer-Rao bound, and a class of practical joint estimation algorithms is presented.

Citation Download Citation

Benjamin Friedlander "Self Calibration Techniques For High-Resolution Array Processing", Proc. SPIE 0975, Advanced Algorithms and Architectures for Signal Processing III, (23 February 1988); https://doi.org/10.1117/12.948521

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