With the recent launch of TechDemoSat-1 and CYGNSS missions, spaceborne GNSS-R data are now available. In order to understand the involved scattering mechanisms, potentialities and limitations of GNSS-R measurements over land, an electromagnetic simulator represents a powerful tool. In this paper, the SAVERS simulator, that was developed and validated on ground based and airborne data, is now upgraded to take account for the important role of the topography in the satellite acquisitions. The Delay Doppler Maps acquired by satellite sensors show a clear topography effect. The reliability of the simulator is here tested over a volcanic area of Chad and compared with the TechDemoSat data.
Simulations of spaceborne GNSS-R signal over mountain areas / Guerriero, L.; Dente, L.; Comite, D.; Pierdicca, N.. - 2019:(2019), pp. 8362-8365. (Intervento presentato al convegno 39th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2019 tenutosi a Yokohama; Japan) [10.1109/IGARSS.2019.8900033].
Simulations of spaceborne GNSS-R signal over mountain areas
Comite D.;Pierdicca N.
2019
Abstract
With the recent launch of TechDemoSat-1 and CYGNSS missions, spaceborne GNSS-R data are now available. In order to understand the involved scattering mechanisms, potentialities and limitations of GNSS-R measurements over land, an electromagnetic simulator represents a powerful tool. In this paper, the SAVERS simulator, that was developed and validated on ground based and airborne data, is now upgraded to take account for the important role of the topography in the satellite acquisitions. The Delay Doppler Maps acquired by satellite sensors show a clear topography effect. The reliability of the simulator is here tested over a volcanic area of Chad and compared with the TechDemoSat data.| File | Dimensione | Formato | |
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