Speckle Energy Spectrum in a Complex Radar Viewing Geometry From the Spaceborne SWIM Observations and From Model. - Baptiste Gombert; Danièle Hauser; Ping Chen; Aofan OuYang; Matthias Averseng; Gilles Guitton; Annabelle Ollivier; Cédric L. Tourain (IEEE Trans. Geosci. Remote. Sens., 2025)