Robust monopulse beam synthesis with sparse elements in linear and planar arrays with element failure detection

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In this study, the authors present monopulse beam synthesis methods with sparse elements robust to the antenna module failure. The monopulse beam radar generates two beams (sum/difference beams) simultaneously and it requires a large number of antenna elements in antenna arrays. However, it is desirable to reduce the number of active antenna elements. Furthermore, in many practical applications, some of antenna elements may experience the module failure. Accordingly, to design beams robust to the module failure and reduce the number of active antenna elements simultaneously, the authors propose a modified reweighted L1 minimisation methods in which the Bayesian-inference-based failure probability is exploited. The authors also discuss how the proposed sparse beam synthesis method can be carried out successfully in conjunction with the array failure diagnosis based on the Bayesian compressive sensing.
Publisher
INST ENGINEERING TECHNOLOGY-IET
Issue Date
2017-08
Language
English
Article Type
Article
Keywords

BEAMPATTERN; DIAGNOSIS

Citation

IET RADAR SONAR AND NAVIGATION, v.11, no.8, pp.1251 - 1258

ISSN
1751-8784
DOI
10.1049/iet-rsn.2016.0645
URI
http://hdl.handle.net/10203/225194
Appears in Collection
EE-Journal Papers(저널논문)
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