Radar remote sensing Time-delay estimation TDE Radar scattering Sentinel-1 Synthetic aperture radar SAR Blind noise parameter estimation Filtering RADARSAT-2 3-D imaging Coherence Signal to noise ratio Sea ice Scattering Color Calibration Iterative methods Physical Optics Image resolution PolSAR Arrays Unsupervised classification Multivariate statistics Speckle Surface rugueuse Image filtering Blind estimation Estimation Hyperspectral imagery Ground penetrating radar Image reconstruction Millimeter waves Clutter Electromagnetic scattering Classification of information Interface roughness Eigenvalues and eigenfunctions Remote sensing Databases Land surface Polarimetric SAR Agricultural monitoring Hyperspectral image Radar signal processing Image compression Radar cross section Polarimetry SAR Antennas Image analysis Remote sensing by radar Compressed sensing RADAR Unsupervised DCT Polarimétrie radar Lossy compression Matrix decomposition Polarimétrie Interferometry Terrain mapping Snow Surface scattering Diffusion électromagnétique Image classification Classification Interférométrie Clustering Geophysical signal processing Backscatter Radar SAR tomography Image denoising Discrete cosine transforms Radar polarimetry Vegetation Hyperspectral imaging Image processing Spectroscopy MUSIC Remote sensing images SAR Tomography Signal processing Signal-dependent noise Hyperspectral Synthetic aperture radar Forest Method of Moments Density estimation Geophysical measurement technique Multichannel images Measurement Radar imaging Polarization Ground penetrating radar GPR Tomography Sea surface Noise Télédétection Mapping Geophysical techniques