Polarimetric SAR tomography in the X-band by continuous wave multi-baseline SAR tracks in a convex optimization approach

Filippo Biondi; Antonio Sarri; Luca Fiori; Kevin Dell’Omodarme

doi:10.1117/12.2065932

21 October 2014 Polarimetric SAR tomography in the X-band by continuous wave multi-baseline SAR tracks in a convex optimization approach

Filippo Biondi, Antonio Sarri, Luca Fiori, Kevin Dell’Omodarme

Author Affiliations +

Proceedings Volume 9243, SAR Image Analysis, Modeling, and Techniques XIV; 92430Y (2014) https://doi.org/10.1117/12.2065932
Event: SPIE Remote Sensing, 2014, Amsterdam, Netherlands

Abstract

SAR Tomography is the extension of the conventional interferometric radar signal processing, extended in the height dimension. In order to improve the vertical resolution with respect to the classical Fourier methods, high resolution approaches, based on the Convex Optimization (CVX), has been implemented. This methods recast in the Compressed Sensing (CS) framework that optimize tomographic smooth profiles via atomic decomposition, in order to obtain sparsity. The optimum solution has been estimated by Interior Point Methods (IPM). The problem for such kind of signal processing is that the tomographic phase information may be suppressed and only the optimized energy information is available. In this paper we propose a method in order to estimate an optimized spectra and phase information projecting each vector components of each tomographic resolution cell spanned in the real and the imaginary component. The tomographic solutions has been performed by processing multi-baseline SAR datasets, in a full polarimetric mode, acquired by a portable small Continuous Wave (CW) radar in the X band.

Citation Download Citation

Filippo Biondi, Antonio Sarri, Luca Fiori, and Kevin Dell’Omodarme "Polarimetric SAR tomography in the X-band by continuous wave multi-baseline SAR tracks in a convex optimization approach", Proc. SPIE 9243, SAR Image Analysis, Modeling, and Techniques XIV, 92430Y (21 October 2014); https://doi.org/10.1117/12.2065932

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KEYWORDS

Tomography

Scattering

Synthetic aperture radar

Radar

Polarimetry

Pollution control

X band

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