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Higher Mode Discrimination in a Rectangular Patch: New Insight Leading to Improved Design with Consistently Low Cross-Polar Radiations
C. Kumar,
Published in Institute of Electrical and Electronics Engineers Inc.
2021
Volume: 69
   
Issue: 2
Pages: 708 - 714
Abstract
Discrimination of a higher order TM02 mode in a rectangular patch by minimally tampering its boundary condition has been addressed based on some insightful studies. The magnetic wall across each nonradiating edge has been transformed into a composite boundary and unlike the earlier designs, this mechanism has been successfully demonstrated in eliminating the cross-polarized (XP) fields without causing any harm to the primary resonance. The signature of modal discrimination has been experimentally evidenced in the X -band by reducing the H-plane XP level consistently over the full range of elevation angle varying over 15-18 dB. Such 'full-elevation' feature is highly significant from practical aspect and not commonly achievable in the other known methods. The proposed technique is directly integratable with a practical system without imposing any constraint on its deployment platform. © 1963-2012 IEEE.
About the journal
JournalData powered by TypesetIEEE Transactions on Antennas and Propagation
PublisherData powered by TypesetInstitute of Electrical and Electronics Engineers Inc.
ISSN0018926X