Design and test of an array antenna transmitting high power microwave

Mao Yongyan; Zhang Fan; Tian Chuan; Xie Jiangyuan; Jin Zhaoxin

doi:10.11884/HPLPB202436.230448

Volume 36 Issue 8

Jul. 2024

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Mao Yongyan, Zhang Fan, Tian Chuan, et al. Design and test of an array antenna transmitting high power microwave[J]. High Power Laser and Particle Beams, 2024, 36: 083003. doi: 10.11884/HPLPB202436.230448

Citation:

Mao Yongyan, Zhang Fan, Tian Chuan, et al. Design and test of an array antenna transmitting high power microwave[J]. High Power Laser and Particle Beams, 2024, 36: 083003. doi: 10.11884/HPLPB202436.230448

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Design and test of an array antenna transmitting high power microwave

doi: 10.11884/HPLPB202436.230448

1.
Electronic Engineering Research Institute, Xi'an 710100, China
2.
School of Electronics and Information, Northwestern Polytechnical University, Xi'an 710072, China

Received Date: 2023-12-24
Accepted Date: 2024-05-17
Rev Recd Date: 2024-05-17

Available Online: 2024-05-25

Publish Date: 2024-07-04

Abstract

Abstract

A slotted waveguide array antenna operating at S band for transmitting high power microwave is developed in this paper. The profile height is reduced by arranging the coupling waveguide and feeding waveguide on same layout. The coupling slots with same offsets direction and the radiating slots arranged regularly compensate phase, which achieves in-phase superposition of pattern of slot units. The influence of different slot parameters and types of divider on power capacity of the antenna are simulated. 0.1 MPa SF₆ gas is filled in the sealed antenna to enhance power-handling capability. The simulated and test results show that the antenna has a 6.7% bandwidth with VSWR less than 1.5 and a gain up to 27 dBi. Hot test of this antenna is carried out fed by narrow-band high power microwave source. The transmitted waveform and the output one agree well. The measured output power of the source is 2.67 MW.
- high power microwave,
- power-handling capability,
- slotted waveguide array antenna,
- SF₆ gas,
- microwave source

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References(17)

References

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