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GNSS-R Soil Moisture Retrieval for Flat Vegetated Surfaces Using a Physics-Based Bistatic Scattering Model and Hybrid Global/Local Optimization

Amir Azemati, Amer Melebari, James D. Campbell, Jeffrey P. Walker, Mahta Moghaddam
2022 Remote Sensing  
The proposed inversion method consists of a hybrid global and local optimization method and a physics-based bistatic scattering forward model.  ...  The forward model was developed for bare-to-densely vegetated terrains, and it predicts the circularly polarized BRCS DDM of the land surface.  ...  the radar was operational, NASA/Jet Propulsion Laboratory (JPL) Uninhabited Aerial Vehicle Synthetic Aperture Radar (UAVSAR) [7] , the Airborne Microwave Observatory of Subcanopy and Subsurface (AirMOSS  ... 
doi:10.3390/rs14133129 fatcat:4uqbmjr4mbew7aobhih2saxpca