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Null Steering in Linear Array Antennas With Electronically Displaced Phase Center Dual-Mode Antenna Elements | IEEE Journals & Magazine | IEEE Xplore

Null Steering in Linear Array Antennas With Electronically Displaced Phase Center Dual-Mode Antenna Elements


Abstract:

The potential of dynamically steering the null locations in equally spaced linear scanning array antennas using the electronically displaced phase center antenna (E-DPCA)...Show More

Abstract:

The potential of dynamically steering the null locations in equally spaced linear scanning array antennas using the electronically displaced phase center antenna (E-DPCA) technique is investigated for the first time in this communication. The relative coordinates, and thus, the element spacing, of the equally spaced linear array antennas are electronically varied using the E-DPCA technique to adaptively steer the null locations without any physical displacement while maintaining the same overall array length. The versatility of the proposed technique is further explored by: 1) generating consecutive nulls with a minimum resolution of 1° between them and 2) simultaneously steering the null locations and scanning the main beam.
Published in: IEEE Transactions on Antennas and Propagation ( Volume: 71, Issue: 3, March 2023)
Page(s): 2843 - 2848
Date of Publication: 02 February 2023

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