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The main purpose of this study is to propose and validate a new algorithm for wind speed retrieval over the ocean using Global Navigation Satellite System-Reflectometry (GNSS-R). The proposed method is based on a Least Squares (LS) estimation from the volume of the scattered power function. Real DDMs collected by the space GNSS receiver-remote sensing instrument (SGR-ReSI) on board the TechDemoSat-1...
The GNSS-R concept is a well-known spaceborne remote sensing technique that, by exploiting GNSS signals reflected from the earth, allows performing simultaneous observations of the Earth on several points over a very wide swath, very promising for applications such as mesoscale altimetry. However, for a single observation on earth, due to the intrinsic low power transmitted by the GNSS satellites,...
A new approach for simulation of delay-Doppler maps for ocean global navigation satellite system reflectometry is presented. The simulator is based on a stochastic forward scattering model for generation of realizations of the sea surface reflected signal and allows a flexible definition of system and environmental parameters. The signal scattered from a delay Doppler cell is modelled as the coherent...
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