Investigation on transmission array antenna with high power beam scanning based on spiral antenna

Liu Dongqi; Yuan Chengwei; Sun Yunfei; Zhang Qiang; Xu Liang

doi:10.11884/HPLPB202436.230330

Volume 36 Issue 1

Jan. 2024

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Article Navigation > High Power Laser and Particle Beams > 2024 > 36(1): 013007

Liu Dongqi, Yuan Chengwei, Sun Yunfei, et al. Investigation on transmission array antenna with high power beam scanning based on spiral antenna[J]. High Power Laser and Particle Beams, 2024, 36: 013007. doi: 10.11884/HPLPB202436.230330

Citation:

Liu Dongqi, Yuan Chengwei, Sun Yunfei, et al. Investigation on transmission array antenna with high power beam scanning based on spiral antenna[J]. High Power Laser and Particle Beams, 2024, 36: 013007. doi: 10.11884/HPLPB202436.230330

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Investigation on transmission array antenna with high power beam scanning based on spiral antenna

doi: 10.11884/HPLPB202436.230330

College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China

Received Date: 2023-09-22
Accepted Date: 2023-11-07
Rev Recd Date: 2023-11-07

Available Online: 2024-01-15

Publish Date: 2024-01-15

Abstract

Abstract

The traditional transmissive air-fed array suffers from the drawback of low power capacity and cannot be directly applied in the high-power microwave field. The existing high-power air-fed array layouts are not flexible enough and have slow beam scanning speeds, which cannot fully exploit the advantages of phased arrays in system integration. This article proposes and designs a new type of spiral radiation unit using spatial feed, and constructs a transmissive air-fed spiral array antenna. By controlling the rotation of individual spirals, two-dimensional beam scanning can be achieved, making the design more flexible and adaptable to the actual application requirements, in line with the compact and modular development trend of high-power microwave antennas. An array consisting of 324 units was simulated and designed. The numerical simulation results show that the unit S₁₁≤−20 dB, power capacity is 0.35 MW, array aperture efficiency is 0.68, and it can scan within the range of ±45°, with a maximum gain reduction of 3 dB.
- high power microwave,
- space-fed spiral array,
- beam scanning,
- circular polarization,
- high power handling capacity

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References(15)

References

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