A Study of Various Beacon Antennas for an Orbiting Sample Container of a Future Mars Sample Return Mission

被引：0

作者：

Lin, Hungsheng ^{[1
]}

Darshni, Prya ^{[1
]}

Jamnejad, Vahraz ^{[1
]}

机构：

[1] CALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA

来源：

2018 IEEE AEROSPACE CONFERENCE | 2018年

基金：

美国国家航空航天局;

关键词：

D O I：

暂无

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

This paper presents some results of a study of various options for a near-omnidirectional low-gain antenna at UHF frequencies, for a Mars Orbiting Sample Return Container (OS). The OS is part of a concept study for a future mission to return samples from Mars. It is a critical component of such a mission which contains the Mars samples. It would be returned by a separate spacecraft to Earth. The OS will be identified and located by the spacecraft for pick-up from orbit by a beacon signal broadcast via a surface antenna. Several antenna designs were considered, but two promising ones are presented here which have good patterns with a better than 2:1 VSWR (Voltage Standing Wave Ratio), but meet different criteria for OS design. One is a patch type antenna and the other a slot type antenna. Some data and test results of a fabricated breadboard antenna as well as discussions are provided.

引用

页数：5