Four‐Beams‐Reconfigurable Circular‐Ring Array Antennas for Monopulse Radar Applications

We propose a new approach to the mask‐constrained power synthesis of reconfigurable circular‐ring array antennas for monopulse radar applications. By resorting to Orbital Angular Momentum vortex beams, and without increasing either the complexity of the beam forming network or the signal processing...

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Bibliographic Details
Published inRadio science Vol. 58; no. 9
Main Authors Battaglia, Giada M., Isernia, Tommaso, Palmeri, Roberta, Morabito, Andrea F.
Format Journal Article
LanguageEnglish
Published Washington Blackwell Publishing Ltd 01.09.2023
Subjects
Angular momentum
Antenna arrays
Antenna design
Antennas
Beamforming
Convexity
Electron beams
Monopulse radar
Optimization
Radar
Radar arrays
Radar beams
Reconfiguration
Synthesis
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Summary:We propose a new approach to the mask‐constrained power synthesis of reconfigurable circular‐ring array antennas for monopulse radar applications. By resorting to Orbital Angular Momentum vortex beams, and without increasing either the complexity of the beam forming network or the signal processing times with respect to the state‐of‐art solutions, the proposed method allows improving the precision pointing with respect to usual techniques. The overall synthesis is cast as a Convex Programming optimization problem aimed at reducing as much as possible the number of control points of the array, and it is tested in relevant application scenarios. A new antenna‐design method is presented in order to enhance the target localization accuracy of monopulse radars. The synthesis procedure is cast as a Convex Programming problem in the case of reconfigurable circular arrays. Phase‐only reconfigurable circular‐ring arrays can be exploited as effective monopulse antennas Orbital Angular Momentum vortex beams increase precision pointing Convex Programming can maximize performance of reconfigurable arrays
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ISSN:0048-6604
1944-799X
DOI:10.1029/2023RS007776