Vol. 110

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2023-05-25

Frequency Diverse Arc Array Beampattern Synthesis Analysis with Nonlinear Frequency Offset

By Zhuo Deng, Wei Xu, Pingping Huang, Weixian Tan, and Yaolong Qi
Progress In Electromagnetics Research Letters, Vol. 110, 109-116, 2023
doi:10.2528/PIERL23030201

Abstract

Frequency diversity array (FDA) can generate distance and angle dependent ``S'' beam patterns, but there is a problem of distance and angle coupling, which can be well solved by using nonlinear frequency offset in recent years' research. The rotational symmetry of the arc-shaped structure brings the beam scanning capability of the array antenna within a range of 360°, which can realize the all-round monitoring of the target position, and provides a more flexible method for radar communication. In this paper, a nonlinear frequency offset based frequency diversity arc array (FDAA) beam scanning method is proposed, which activates the selection matrix according to the target direction. In order to form equal phase plane beam scanning, phase compensation between array elements is carried out, and three kinds of nonlinear frequency bias are introduced to simulate beampattern synthesis. Compared with the traditional linear frequency offset FDAA, the numerical simulation results verify the feasibility and effectiveness of the scheme.

Citation


Zhuo Deng, Wei Xu, Pingping Huang, Weixian Tan, and Yaolong Qi, "Frequency Diverse Arc Array Beampattern Synthesis Analysis with Nonlinear Frequency Offset," Progress In Electromagnetics Research Letters, Vol. 110, 109-116, 2023.
doi:10.2528/PIERL23030201
http://test.jpier.org/PIERL/pier.php?paper=23030201

References