Abstract
To address the issue of a large axial distance for low-frequency feed antennas, this paper presents a low-frequency compact lightweight dual-polarization CATR feed antenna. This feed antenna consists of a near-rhombus-shaped crossed dipole antenna with chamfers, a third-order horn enclosure, and a novel feed network based on 180° hybrid couplers. Through design, the axial length of this feed source is approximately 290mm. The VSWR is less than 1.5, the HPBW is greater than 44.5° from 300MHz to 500MHz. The phase centre varies less than 0.3λ and the cross-polarization isolation is below in the whole working frequency band.
| Original language | English |
|---|---|
| Article number | 012002 |
| Journal | Journal of Physics: Conference Series |
| Volume | 2722 |
| Issue number | 1 |
| DOIs | |
| State | Published - 2024 |
| Event | 2023 4th Asia Conference on Computers and Communications, ACCC 2023 - Virtual, Online, China Duration: 15 Dec 2023 → 17 Dec 2023 |
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