Ground experiments of Chang'e-5 lunar regolith penetrating radar

doi:10.1016/j.asr.2019.02.001

CORC > 国家天文台 > 中国科学院国家天文台

	Ground experiments of Chang'e-5 lunar regolith penetrating radar
	Xiao, Yuan 1,2,3; Su, Yan 1,2; Dai, Shun 1,2; Feng, Jianqing 1,2; Xing, Shuguo 1,2; Ding, Chunyu 4; Li, Chunlai 1,2
刊名	ADVANCES IN SPACE RESEARCH
	2019-05-15
卷号	63 期号:10 页码:3404-3419
关键词	Chang'e-5 (CE-5) Lunar Regolith Penetrating Radar Ground experiments
ISSN号	0273-1177
DOI	10.1016/j.asr.2019.02.001
英文摘要	The Lunar Regolith Penetrating Radar (LRPR) is an Ultra-Wideband (UWB) array-based Ground penetrating radar (GPR) onboard the lander of Chang'e-5 (CE-5) mission. The primary scientific objectives of the LRPR are to probe the thickness and structure of lunar regolith of the landing site, and support the drilling and sampling process. In order to evaluate the performance of the LRPR, a series of ground experiments are performed using the LRPR prototype mounted on a CE-5 lander model. The performance of the LRPR is evaluated by comparing the experimental data with the simulated data. Data processing and imaging method are verified, and the interferences from the lander and other aspects are analyzed. The results of the ground experiments and simulation demonstrate that the LRPR is able to meet the design requirement of 2-m detection depth. They also indicate that the upper and lower interfaces of the stratified structure in the lunar regolith can be well distinguished by the LRPR when the dielectric constant difference is greater than 0.3, and the imaging effect of the location under the dense antennas is better than that of other positions. However, the identification capability of the LRPR to the independent blocky objects is relatively poor mainly due to the clutters caused by the lander, the sparsity of the antenna elements compared to the size of the basalt block, the limited aperture of the antenna array, and the tail of the transmitted waveform. (C) 2019 COSPAR. Published by Elsevier Ltd. All rights reserved.
资助项目	National Natural Science Foundation of China, China[41403054] ; NAOC, Chinese Academy of Sciences, China[Y734061V01]
WOS关键词	GPR
WOS研究方向	Astronomy & Astrophysics ; Geology ; Meteorology & Atmospheric Sciences
语种	英语
出版者	ELSEVIER SCI LTD
WOS记录号	WOS:000467513600027
资助机构	National Natural Science Foundation of China, China ; National Natural Science Foundation of China, China ; NAOC, Chinese Academy of Sciences, China ; NAOC, Chinese Academy of Sciences, China ; National Natural Science Foundation of China, China ; National Natural Science Foundation of China, China ; NAOC, Chinese Academy of Sciences, China ; NAOC, Chinese Academy of Sciences, China ; National Natural Science Foundation of China, China ; National Natural Science Foundation of China, China ; NAOC, Chinese Academy of Sciences, China ; NAOC, Chinese Academy of Sciences, China ; National Natural Science Foundation of China, China ; National Natural Science Foundation of China, China ; NAOC, Chinese Academy of Sciences, China ; NAOC, Chinese Academy of Sciences, China
内容类型	期刊论文
源URL	[http://ir.bao.ac.cn/handle/114a11/26199]
专题	中国科学院国家天文台
通讯作者	Dai, Shun; Li, Chunlai
作者单位	1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China 2.Chinese Acad Sci, Key Lab Lunar & Deep Space Explorat, Beijing 100012, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.Sun Yat Sen Univ, Sch Atmospher Sci, Zhuhai 519082, Peoples R China
推荐引用方式 GB/T 7714	Xiao, Yuan,Su, Yan,Dai, Shun,et al. Ground experiments of Chang'e-5 lunar regolith penetrating radar[J]. ADVANCES IN SPACE RESEARCH,2019,63(10):3404-3419.
APA	Xiao, Yuan.,Su, Yan.,Dai, Shun.,Feng, Jianqing.,Xing, Shuguo.,...&Li, Chunlai.(2019).Ground experiments of Chang'e-5 lunar regolith penetrating radar.ADVANCES IN SPACE RESEARCH,63(10),3404-3419.
MLA	Xiao, Yuan,et al."Ground experiments of Chang'e-5 lunar regolith penetrating radar".ADVANCES IN SPACE RESEARCH 63.10(2019):3404-3419.