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