A Compact Dual-Band Van Atta Array Based on the Single Port Single-Band/Dual-band Antennas

A compact dual-band Van Atta array work at C / X bands is proposed in this paper. A single port dual-band antenna (SPDBA) and single port single-band antenna (SPSBA) are designed for the dual-band Van Atta array. The structure reused method is employed in the design of the SPDBA. The high frequency...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2023-04, Vol.22 (4), p.1-5
Main Authors: Li, Xiao-Fei, Ban, Yong-Ling, Sun, Qiang, Che, Yong-Xing, Hu, Jun, Nie, Zaiping
Format: Article
Language:English
Subjects:
Antenna arrays
Antenna feeds
Antennas
compact structure
Dual band
dual-band antenna
Periodic structures
Radar cross sections
single port antenna
Slot antennas
Transmission line antennas
Transmission lines
Van Atta Array
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Summary:A compact dual-band Van Atta array work at C / X bands is proposed in this paper. A single port dual-band antenna (SPDBA) and single port single-band antenna (SPSBA) are designed for the dual-band Van Atta array. The structure reused method is employed in the design of the SPDBA. The high frequency antenna is reused as the excitation structure of the low frequency antenna. The SPDBAs and the SPSBAs are interlaced to form a dual-band antenna array, which can reduce the number of antennas and control the antenna spacings. The spacings of the antennas in C / X bands are 0.54 λ L0 and 0.51 λ H0 respectively. The single layer and single port structure of the antennas effectively reduce the number of transmission lines and the size of the dual-band Van Atta array. The total size of the compact dual-band Van Atta array is 142mm×30mm×3.2mm. The −4dB beamwidths of the monostatic radar cross section (RCS) at 5.8GHz and 10.6GHz are 59° and 62°.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2022.3227577