Title:
DUAL-POLARIZED HIGH-ISOLATION CASSEGRAIN ANTENNA
Document Type and Number:
WIPO Patent Application WO/2024/036856
Kind Code:
A1
Abstract:
Disclosed in the present invention is a dual-polarized high-isolation Cassegrain antenna, comprising a main reflecting surface, a secondary reflecting surface, and a diagonal feed horn. The diagonal feed horn comprises a cross-polarized coupling structure and a diagonal horn protruding structure which are integrally formed, and a hollow part of the diagonal horn protruding structure is in the shape of a diagonal horn which is open in an upward direction. Ridges are provided in the diagonal feed horn, and pass through the diagonal horn protruding structure and the cross-polarized coupling structure. The cross-polarized coupling structure comprises a first port and a second port; the second port is located on the side surface of the diagonal feed horn, and an access port of the second port is communicated with the ridges of the diagonal horn; the first port is located on the bottom surface of the diagonal feed horn. The dual-polarized high-isolation Cassegrain antenna in the present invention is provided with the main reflecting surface, the secondary reflecting surface, and the diagonal feed horn, so that good port isolation and radiation cross-polarization characteristics are achieved by means of the structure of the provided special diagonal feed horn.
Inventors:
GE JUNXIANG (CN)
LIN HAI (CN)
WANG JIE (CN)
QI BOYU (CN)
LIN HAI (CN)
WANG JIE (CN)
QI BOYU (CN)
Application Number:
PCT/CN2022/140664
Publication Date:
February 22, 2024
Filing Date:
December 21, 2022
Export Citation:
Assignee:
UNIV NANJING INFORMATION SCIENCE & TECH (CN)
International Classes:
H01Q19/10; H01Q13/02
Foreign References:
| CN115360532A | 2022-11-18 | |||
| CN109301499A | 2019-02-01 | |||
| US20180254547A1 | 2018-09-06 | |||
| US20110080980A1 | 2011-04-07 |
Other References:
WANG JIE, LIN HAI, YANG FAN, XU GUANGYANG, GE JUNXIANG: "Design of 94GHz Dual-Polarization Antenna Fed by Diagonal Horn for Cloud Radars", IEEE ACCESS, IEEE, USA, vol. 10, 1 January 2022 (2022-01-01), USA , pages 22480 - 22486, XP093139994, ISSN: 2169-3536, DOI: 10.1109/ACCESS.2022.3154483
Attorney, Agent or Firm:
BEIJING DONGFANGSHENGFAN IP AGENCY CO., LTD. (CN)
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