Three-dimensional focusing with multipass SAR data

By Gianfranco Fornaro, Francesco Serafino, F. Soldovieri. IEEE Transactions on Geoscience and Remote Sensing, 2003

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Three-dimensional multipass SAR focusing: experiments with long-term spaceborne data (2005, methodology): “In this case, the matrix L would be of the form (8) Beamforming inversion is then carried out via (9) where denotes the Hermitian (conjugate transpose) operator.”
Tomographic SAR Inversion by $L_{1}$ -Norm Regularization—The Compressive Sensing Approach (2010, background): “The first CS TomoSAR results with TerraSAR-X spotlight data over urban areas will be presented.”
Polarization coherence tomography (2006, methodology): “…Treuhaft and Siqueria, 2000; Treuhaft et al., 2000, 2002, 2004], often based on high-resolution spectral analysis techniques [Lombardini, 2005; Fornaro et al., 2003], although Treuhaft et al. [2004] employed a multiple Gaussian parametric model to reconstruct leaf area index (LAI) profiles by…”
Very High Resolution Spaceborne SAR Tomography in Urban Environment (2010, methodology): “…spectral analysis, the expected elevation resolution ρs, i.e., the width of the elevation point response function (PRF), depends on the elevation aperture length Δb and is approximately (sufficiently dense sampling of the elevation aperture provided) ρs = λr 2Δb (2) where λ is the wavelength.”