Target positioning with surveillance radar by the estimation of atmospheric refractivity profile

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The positioning of a target with radar measurements could be inaccurate because of the atmospheric refraction effects. We present a technique for determining the refractivity parameters using known position information of cooperative targets. The estimated refractivity parameters are then used to find the position of a noncooperative target, along with its radar range and angle measurements. The performance of the proposed algorithm is assessed by comparing the mean squared error (MSE) of the estimate with the Cramer-Rao lower bound (CRLB) as well as by testing the algorithm with real field data. Ground-based military surveillance radar can adopt the proposed algorithm and benefit when there are some cooperative flying aircraft while there is no external refractivity information such as radiosonde data.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2020-06
Language
English
Article Type
Article
Citation

IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS, v.56, no.3, pp.2245 - 2255

ISSN
0018-9251
DOI
10.1109/TAES.2019.2945385
URI
http://hdl.handle.net/10203/275569
Appears in Collection
EE-Journal Papers(저널논문)
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