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Please use this identifier to cite or link to this item: http://hdl.handle.net/10651/30372

Title: On the combination of SAR and model based techniques for high-resolution real-time two-dimensional reconstruction
Author(s): González Valdés, Borja
Álvarez López, Yuri
Martínez Lorenzo, José Ángel
Las Heras Andrés, Fernando Luis
Rappaport, Carey M.
Issue date: 2014
Publisher: IEEE
Publisher version: http://dx.doi.org/10.1109/TAP.2014.2346203
Citation: IEEE Transactions On Antennas And Propagation, 62(10), p. 5180-5189 (2014); doi:10.1109/TAP.2014.2346203
Format extent: p. 5180-5189
Abstract: A novel, real-time, two-dimensional method to find the shape of a body from its scattered electric fields is presented. The method is based on a unique combination of the information obtained from the target using the SAR formulation with a novel fast model-based inversion. In the first step, a fast implementation of the SAR inversion is used to recover an initial estimate of the body shape. Secondly, the phase and amplitude of the SAR image are used to extract a set of first guess contours close to the actual position of the body under test. In a third step, these contours are used as a starting point for a model-based inversion in order to disregard the contours that do not match the body profile and to improve the final result. Resolution of less than half of a wavelength for the proposed method is achieved using representative simulation results and measured data
URI: http://hdl.handle.net/10651/30372
ISSN: 0018-926X
Sponsored: U.S. Department of Homeland Security [2008-ST-061-ED0001]; Ministerio de Economia y Competitividad of Spain/FEDER [CSD2008-00068, TEC2011-24492/TEC]; Galician Regional Government under Plan I2C
Project id.: U.S. Department of Homeland Security/2008-ST-061-ED0001
MEC-FEDER/CSD2008-00068, TEC2011-24492/TEC
Xunta de Galicia/Plan I2C
Appears in Collections:Artículos
Ingeniería Eléctrica, Electrónica, de Computadores y Sistemas
Investigaciones y Documentos OpenAIRE

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