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A switching mechanism to mitigate scan blindness in phased arrays

Abstract : This paper presents a novel solution to extend the scanning range of a cavity-backed stacked-patch phased array subject to scan blindness. Two main aspects are investigated. The first section is a thorough description of the scan blindness mechanism occurring in the reported array, taking into consideration the characteristics of the associated mutual coupling scheme. The second section introduces a revised array topology that allows extending the scanning range. The proposed solution is based on the switching between two operating modes of the structure, each one covering a distinct scanning range. Taken together, they potentially allow freeing the structure from scan blindness. In the present case, the scanning capability of the array has been extended by 10° in the scanning plane of interest. © 2017 Euraap.
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Contributor : Laurent Jonchère <>
Submitted on : Tuesday, October 24, 2017 - 3:28:25 PM
Last modification on : Monday, October 5, 2020 - 9:50:26 AM



A.A. Manga, R. Gillard, Renaud Loison, I. Leroy-Naneix, C. Renard. A switching mechanism to mitigate scan blindness in phased arrays. 11th European Conference on Antennas and Propagation, EUCAP 2017, Mar 2017, Paris, France. ⟨10.23919/EuCAP.2017.7928415⟩. ⟨hal-01622660⟩



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