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Impact of the elevation angle in the coherence time as a function of the sea wave height
Martín Alemany, Francisco; Camps Carmona, Adriano José; Martín-Neira, Manuel; d'Addio, Salvatore; Fabra Cervellera, Fran; Rius Jordán, Antonio; Hyuk, Park
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. RSLAB - Grup de Recerca en Teledetecció; Universitat Politècnica de Catalunya. CTE-CRAE - Grup de Recerca en Ciències i Tecnologies de l'Espai
For a given geometry, the coherence time of a GNSS-R waveform can be initially related to the significant wave height.However, when the coherence time is analyzed, several issues shall be considered, such as the geometry (i.e altitude, elevation angle). This work presents a review of the coherence time and its dependence on the geometry. In addition, the impact that the SWH has on both the coherence time and elevation angles is analyzed. Real data from different scenarios (spaceborne, airborne, and ground based) are used in this study.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Satèl·lits i ràdioenllaços
Global Positioning System
GNSS-R
Significant wave height
Coherence time
Elevation angle
Altitude
GNSS (Sistema de navegació)
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