ExoMars 2018任务中WISDOM探地雷达天线的进展

W. Benedix, D. Plettemeier, A. Zanoni, F. Preller, V. Ciarletti
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引用次数: 2

摘要

“火星上的水冰和地下沉积物观测”实验(WISDOM)是一个探地雷达(GPR),被选中作为欧洲航天局(ESA) ExoMars 2018任务漫游车上巴斯德有效载荷的一部分。本文描述的探地雷达天线系统是先前发展[1,2]的结果,包含了变化的需求和进一步的优化。主要制约因素是质量、温度范围以及超宽带需求。天线的要求是满足这个非常具体的探地雷达应用在这里描述。在此基础上,对系统的轻量化设计及其实现进行了概述。本文对天线的仿真性能和实测性能进行了比较。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Advance of WISDOM GPR antenna for ExoMars 2018 mission
The Experiment “Water Ice and Subsurface Deposit Observations on Mars” (WISDOM) is a Ground Penetrating Radar (GPR) selected to be part of the Pasteur payload on board the rover of European Space Agency's (ESA) ExoMars 2018 mission. The GPR antenna system described in this paper is the consequent progression of former developments [1, 2] incorporating changed requirements and further optimizations. Main constraints are the mass, the temperature range as well as the ultra-wide band demand. The antenna requirements which are to fulfill for this very specific GPR application are described here. Furthermore, it is given an overview about the lightweight design and its realization. Simulated and measured antenna performance is compared in this paper.
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