Highlights The XX polarization is best for minimizing data artifact (noise) generation. Data artifact generation is minimal for GPR heights ⩽10cm. Noise includes horizontal banding, multiple reflections, and truncated hyperbolas.

    Abstract Ground-penetrating radar (GPR) is the leading geophysical candidate technology for future lunar missions aimed at mapping shallow stratigraphy (<5m). The instrument’s exploration depth and resolution capabilities in lunar materials, as well as its small size and lightweight components, make it a very attractive option from both a scientific and engineering perspective. However, the interaction between a GPR signal and the rover body is poorly understood and must be investigated prior to a space mission. In doing so, engineering and survey design strategies should be developed to enhance GPR performance in the context of the scientific question being asked. This paper explores the effects of a rover (simulated with a vertical metal plate) on GPR results for a range of heights above the surface and antenna configurations at two sites: (i) a standard GPR testing site with targets of known position, size, and material properties, and; (ii) a frozen lake for surface reflectivity experiments. Our results demonstrate that the GPR antenna configuration is a key variable dictating instrument design, with the XX polarization considered optimal for minimizing data artifact generation. These findings could thus be used to help guide design requirements for an eventual flight instrument.


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    Titel :

    Lunar ground penetrating radar: Minimizing potential data artifacts caused by signal interaction with a rover body


    Beteiligte:

    Erschienen in:

    Advances in Space Research ; 54 , 10 ; 2059-2072


    Erscheinungsdatum :

    2013-01-01


    Format / Umfang :

    14 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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