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Spagnuolo, M.G.; Grings, F.; Perna, P.; Franco, M.; Karszenbaum, H.; Ramos, V.A. "Multilayer simulations for accurate geological interpretations of SHARAD radargrams" (2011) Planetary and Space Science. 59(11-12):1222-1230
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Abstract:

SHARAD (SHAllow RADar) is a nadir-looking Synthetic Aperture Ground Penetrating Radar on board NASA's 2005 Mars Reconnaissance Orbiter. There are three main characteristics that define the performance of this instrument: ground penetration (due to the operational frequency, the observed echoes can be related to reflections from surface or subsurface), spaceborne operation (the first reflection does not necessarily correspond to the nadir reflection), and nadir looking SAR (there will always be left/right ambiguities). All this implies that there will be surface/subsurface range ambiguity and the geological interpretation of the radargrams cannot be straightforward. In order to avoid data misinterpretation, a simulator of SHARAD's expected response for a given observation geometry and topography is needed. Simulations can take into account all surface/subsurface reflections in order to identify common families of ambiguities and facilitate the interpretation. In this work we present SHARSIM (SHARAD Radargram SIMulator), a software tool designed to simulate SHARAD radargrams taking as inputs Mars surface information and hypothetical subsurface structure. Its performance is analyzed by investigating typical artifacts and by a direct comparison with real radargrams. We show that SHARSIM simulations can help to discern between artifacts and real subsurface features in order to make accurate geological interpretations. © 2010 Elsevier Ltd.

Registro:

Documento: Artículo
Título:Multilayer simulations for accurate geological interpretations of SHARAD radargrams
Autor:Spagnuolo, M.G.; Grings, F.; Perna, P.; Franco, M.; Karszenbaum, H.; Ramos, V.A.
Filiación:Laboratorio de Tectónica Andina, Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, Pab. 2, Buenos Aires, Argentina
Instituto de Astronomía y Física Del Espacio (IAFE), Ciudad Universitaria, Buenos Aires, Argentina
Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales (FCEyN), Departamento de Física, Ciudad Universitaria, Pab. I, 1428 Buenos Aires, Argentina
Palabras clave:Mars; Radargram; SHARAD; Simulation; Subsurface mapping; Mars; Radargram; SHARAD; Simulation; Sub-surface mapping; Computer software; Ground penetrating radar systems; Martian surface analysis; NASA; Synthetic aperture radar
Año:2011
Volumen:59
Número:11-12
Página de inicio:1222
Página de fin:1230
DOI: http://dx.doi.org/10.1016/j.pss.2010.10.013
Título revista:Planetary and Space Science
Título revista abreviado:Planet. Space Sci.
ISSN:00320633
CODEN:PLSSA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00320633_v59_n11-12_p1222_Spagnuolo

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Citas:

---------- APA ----------
Spagnuolo, M.G., Grings, F., Perna, P., Franco, M., Karszenbaum, H. & Ramos, V.A. (2011) . Multilayer simulations for accurate geological interpretations of SHARAD radargrams. Planetary and Space Science, 59(11-12), 1222-1230.
http://dx.doi.org/10.1016/j.pss.2010.10.013
---------- CHICAGO ----------
Spagnuolo, M.G., Grings, F., Perna, P., Franco, M., Karszenbaum, H., Ramos, V.A. "Multilayer simulations for accurate geological interpretations of SHARAD radargrams" . Planetary and Space Science 59, no. 11-12 (2011) : 1222-1230.
http://dx.doi.org/10.1016/j.pss.2010.10.013
---------- MLA ----------
Spagnuolo, M.G., Grings, F., Perna, P., Franco, M., Karszenbaum, H., Ramos, V.A. "Multilayer simulations for accurate geological interpretations of SHARAD radargrams" . Planetary and Space Science, vol. 59, no. 11-12, 2011, pp. 1222-1230.
http://dx.doi.org/10.1016/j.pss.2010.10.013
---------- VANCOUVER ----------
Spagnuolo, M.G., Grings, F., Perna, P., Franco, M., Karszenbaum, H., Ramos, V.A. Multilayer simulations for accurate geological interpretations of SHARAD radargrams. Planet. Space Sci. 2011;59(11-12):1222-1230.
http://dx.doi.org/10.1016/j.pss.2010.10.013