NSSC OpenIR
Comparative analysis of reflection characteristics of lunar penetrating radar data using numerical simulations
Alternative TitleWOS:000554912400010
Lv, Wenmin1,2; Li, Chao1,2; Song, Hanjie3; Zhang, Jinhai1; Lin, Yangting1
Source PublicationICARUS
2020
Volume350Pages:113896
DOI10.1016/j.icarus.2020.113896
ISSN0019-1035
Language英语
KeywordLunar penetrating radar Relative dielectric permittivity Numerical simulation Reflection characteristics Chang'E-4 DIELECTRIC-PROPERTIES REGOLITH SUBSURFACE ONBOARD MODEL LAYER GPR THICKNESS RADIUS ROVER
AbstractThe Moon and most extraterrestrial objects are lacking in water; thus, electromagnetic waves can penetrate deep into the ground and bring some structural information about the regolith and surrounding rocks. As an important assistant to the existing payloads, ground penetrating radar (GPR) is particularly suitable for deep space exploration, which is feasible and necessary for detecting the subsurface structures (mainly associated with the dielectric permittivity variations) of extraterrestrial objects. Unfortunately, there are not enough reference GPR profiles or drills on the extraterrestrial objects to constrain the acquired data. Here, we construct some typical models and perform numerical simulations. To make the results reasonable, various factors are considered, including the type, scale, and location of the abnormal bodies. Then, we review the reflecting phenomenon under the ground and perform comparative analyses on the reflection characteristics of different models. Finally, we present some criteria for identifying different reflectors using critical patterns of reflections. The configuration of our numerical experiments is comparable to that of the lunar penetrating radar onboard the Yutu-1 and -2; thus, the results would be reliable to support the geological interpretation of detected records as well as possible GPR detection on extraterrestrial objects in the future. This work is helpful for recognizing the reflection characteristics of the observed GPR data and would be beneficial to uncovering more critical details of subsurface structures.
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7521
Collection中国科学院国家空间科学中心
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
2.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.Chinese Acad Sci, Natl Space Sci Ctr, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Lv, Wenmin,Li, Chao,Song, Hanjie,et al. Comparative analysis of reflection characteristics of lunar penetrating radar data using numerical simulations[J]. ICARUS,2020,350:113896.
APA Lv, Wenmin,Li, Chao,Song, Hanjie,Zhang, Jinhai,&Lin, Yangting.(2020).Comparative analysis of reflection characteristics of lunar penetrating radar data using numerical simulations.ICARUS,350,113896.
MLA Lv, Wenmin,et al."Comparative analysis of reflection characteristics of lunar penetrating radar data using numerical simulations".ICARUS 350(2020):113896.
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