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研究月球车结构和月球表面特性对天线性能的影响。

Investigating the Impact of Lunar Rover Structure and Lunar Surface Characteristics on Antenna Performance.

作者信息

Gadhafi Rida, Serria Elham, AlMaeeni Sara, Mukhtar Husameldin, Abd-Alhameed Raed, Mansoor Wathiq

机构信息

College of Engineering and IT, University of Dubai, Dubai 14143, United Arab Emirates.

Space Robotics Lab, Mohammed Bin Rashid Space Centre, Dubai 211833, United Arab Emirates.

出版信息

Sensors (Basel). 2024 Aug 19;24(16):5361. doi: 10.3390/s24165361.

DOI:10.3390/s24165361
PMID:39205055
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11359072/
Abstract

This article explores the influence of lunar regolith and rover structure, such as mast design and material composition, on antenna parameters. It focuses on the distinctive difficulties of communication in the lunar environment, which need specialized antenna solutions. This study specifically examines the performance of antennas on the lunar Rashid rover within the Atlas crater, a landing site on the moon, considering two antenna types: a sleeve dipole antenna and an all-metal patch antenna. Thermal analyses reveal temperatures in the Atlas crater can exceed 80 °C during lunar mid-day. The findings highlight the effect of different materials used as thermal coatings for Rashid rover antennas, as well as the influence of rover materials on antenna performance. Furthermore, this study extends to analyze the conductivity and depth of lunar regolith within the Atlas crater. Given the critical role of antennas in wireless communication, understanding how lunar regolith properties affect antenna performance is essential. This research contributes to the creation of a strong communication system for the Rashid rover and future lunar missions by considering the features of the lunar regolith in addition to the rover's size and material attributes.

摘要

本文探讨了月壤以及月球车结构（如桅杆设计和材料成分）对天线参数的影响。它聚焦于月球环境中通信的独特困难，这需要专门的天线解决方案。本研究特别考察了位于月球着陆点阿特拉斯陨石坑内的月球拉希德号月球车上天线的性能，研究了两种天线类型：套筒偶极天线和全金属贴片天线。热分析表明，在月球正午期间，阿特拉斯陨石坑内的温度可能超过80摄氏度。研究结果突出了用作拉希德号月球车天线热涂层的不同材料的影响，以及月球车材料对天线性能的影响。此外，本研究还扩展到分析阿特拉斯陨石坑内月壤的电导率和深度。鉴于天线在无线通信中的关键作用，了解月壤特性如何影响天线性能至关重要。这项研究通过考虑月壤的特性以及月球车的尺寸和材料属性，为拉希德号月球车和未来的月球任务创建强大的通信系统做出了贡献。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9b71/11359072/411da51463f5/sensors-24-05361-g018.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9b71/11359072/5cbc307ab936/sensors-24-05361-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9b71/11359072/81dbdf5d9fba/sensors-24-05361-g012.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9b71/11359072/411da51463f5/sensors-24-05361-g018.jpg

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本文引用的文献

1
A Review of Lunar Communications and Antennas: Assessing Performance in the Context of Propagation and Radiation.月球通信与天线综述：在传播与辐射背景下评估性能
Sensors (Basel). 2023 Dec 14;23(24):9832. doi: 10.3390/s23249832.