A SHAPING TECHNIQUE FOR AIR-BORNE SCANNING REFLECTOR ANTENNA | Zendy

Xiaoming Liu | Zendy; Junsheng Yu | Zendy; Xiaodong Chen | Zendy; Yuan Yao | Zendy; Cheng Yang | Zendy; Zejiang Lu | Zendy

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A SHAPING TECHNIQUE FOR AIR-BORNE SCANNING REFLECTOR ANTENNA

Author(s) -

Xiaoming Liu,

Junsheng Yu,

Xiaodong Chen,

Yuan Yao,

Cheng Yang,

Zejiang Lu

Publication year - 2013

Publication title -

progress in electromagnetics research b

Language(s) - English

Resource type - Journals

ISSN - 1937-6472

DOI - 10.2528/pierb13031204

Subject(s) - reflector (photography) , antenna (radio) , periscope antenna , computer science , optics , telecommunications , radiation pattern , physics , light source

With the renewed application of millimeter technology in remote sensing, radio astronomy, and meteorological satellite, millimeter wave antennas of electrically large aperture are frequently deployed. Shaping techniques are accordingly developed to meet di®erent requirements. In this paper, a shaping technique for the scanning reflector antenna system of a remote sensing spacecraft is presented. The shaping technique is based on Fourier optical theory to control the maximal radiating direction of the antenna system. To implement such functionality, a new shaping technique of the subreflector has been developed. In addition, rotation of the shaped sub-reflector can achieve scanning purpose with identical footprints in all scanning angles. Case studies have been performed to verify the shaping technique.

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