Lower bound of the estimation error of an emitter's direction‐of‐arrival/polarisation, for a collocated triad of orthogonal dipoles/loops that fail randomly
Author(s) -
Kitavi Dominic Makaa,
Wong Kainam Thomas,
Zou Mengxi,
Agrawal Keshav
Publication year - 2017
Publication title -
iet microwaves, antennas and propagation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.555
H-Index - 69
eISSN - 1751-8733
pISSN - 1751-8725
DOI - 10.1049/iet-map.2016.0918
Subject(s) - dipole , perpendicular , triad (sociology) , common emitter , orientation (vector space) , upper and lower bounds , cramér–rao bound , physics , algorithm , mathematics , optics , mathematical analysis , computational physics , geometry , psychology , optoelectronics , quantum mechanics , psychoanalysis
For a triad of short dipoles (or of small loops), in perpendicular orientation relative to each other but collocated in space, this study derives a lower bound for their error in direction‐of‐arrival estimation and polarisation estimation, accounting for the possibility of failure in any individual dipoles (or loops).
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