MARSIS data inversion approach: Preliminary results

Author

Picardi, G. ; Biccari, D. ; Cartacci, M. ; Cicchetti, A. ; Giuppi, S. ; Marini, A. ; Masdea, A. ; Noschese, R. ; Piccari, F. ; Seu, R. ; Plaut, J.J. ; Johnson, W. T K ; Jordan, R.L. ; Safaeinili, A. ; Federico, C. ; Frigeri, A. ; Melacci, P.T. ; Orosei, R

Author_Institution

Infocom Dept., Univ. of Rome "La Sapienza", Rome

fYear

2008

fDate

26-30 May 2008

Firstpage

1

Lastpage

4

Abstract

An approach to the inversion of the data available from the MARSIS (Mars Advanced Radar for Subsurface and Ionosphere Sounding) instrument on Mars Express is described. The data inversion gives an estimation of the materials composing the different detected interfaces, including the impurity (inclusion) of the first layer, if any, and its percentage, by the evaluation of the values of the permittivity that would generate the observed radio echoes. The data inversion method is based on the analysis of the surface to subsurface power ratio and the relative time delay as measured by MARSIS. The constraints, due to the known geological history of the surface, the local temperature and the thermal condition of the observed zones and the results of other instruments on Mars Express and other missions to Mars, have to be considered to improve the validity of the utilized models and the obtained results that are given in parametric way.

Keywords

aerospace instrumentation; echo; radar equipment; MARSIS data inversion; Mars Advanced Radar for Subsurface and Ionosphere Sounding; Mars Express; radio echoes; Delay effects; Geologic measurements; Impurities; Instruments; Ionosphere; Mars; Permittivity measurement; Power measurement; Radar detection; Time measurement;

fLanguage

English

Publisher

ieee

Conference_Titel

Radar Conference, 2008. RADAR '08. IEEE

Conference_Location

Rome

ISSN

1097-5659

Print_ISBN

978-1-4244-1538-0

Electronic_ISBN

1097-5659

Type

conf

DOI

10.1109/RADAR.2008.4721073

Filename

4721073