Comments on "High-resolution frequency-wavenumber spectrum analysis"
- 1 June 1970
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the IEEE
- Vol. 58 (6) , 947-949
- https://doi.org/10.1109/PROC.1970.7825
Abstract
Capon has described an estimator that can be used to discriminate between wavefronts incident upon an array of sensors from different directions. It is shown here that for a received field consisting of a single "signal" wavefront and an uncorrelated "noise" component, Capon's estimator displays less angular resolution than the conventional estimator when the amplitudes and the delays of the received wavefront are not known within a given tolerance.Keywords
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