標題: A Compact Design of Antenna Feed for 6 M S/X-Bands Mono-Pulse Auto-Tracking Ground Station
作者: Lee, Yun-Jui
Huang, Vincent
Yang, Ru-Muh
Hsu, Ti-Hsiang
Chen, Ming-Hui
Chu, Chin-Yi
Chung, Shyh-Jong
傳播研究所
Institute of Communication Studies
公開日期: 2015
摘要: A compact S-band auto-tracking antenna feed for 6 m mono-pulse auto-tracking ground station is presented. It is designed to reduce the effect of blockage of the antenna systems and modify the orientation angle of the main reflector to align antenna boresight with a satellite. A circular waveguide is designed to connect to the septum polarizer for communication between the earth and LEO satellite. Based on the circular waveguide as an inner metal, a cylindrical metal is added as an outer metal to form a coaxial line for tracking LEO satellite. The uplink band of the antenna feed is from 2.025 to 2.12 GHz and the downlink band is from 2.2 to 2.3 CHz. The results show that the antenna gain of 6 m reflector is about 39.7 dBic and the 1-dBbeamw idth is 1 degree. The polarization isolation between sum and difference patterns is larger than 30 dB, and the axial ratio is lower than 1.1 dB within +/- 0.5 degree range.
URI: http://hdl.handle.net/11536/135917
ISBN: 978-1-4799-8767-2
期刊: 2015 ASIA-PACIFIC MICROWAVE CONFERENCE (APMC), VOLS 1-3
顯示於類別:會議論文