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2 August 1999 Symmetric observation of a buried target using multipolarimetric reverse-time migration
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Unlike natural objects, man-made objects, including landmines, tend to be symmetric in shape. By means of symmetric argument, a symmetric object observed by radar will have a predictable response. This paper describes the concept of using sets of bi-static multipolarimetric radar observations to detect the presence of a landmine by exploiting the symmetric properties of the landmine. The study begins with simulating the response of a symmetrical target in a sandbox using the Finite-Difference Time-Domain (FDTD) algorithm. The simulated data is divided into several observation sets designed to detect the plane of symmetry of the buried target. A 3D FDTD-based Reverse-Time Migration method is used to synthesize the data sets of obtain sets of independent images. First, all images will be used to determine the presence of a target. Then, the images are configured in-group to detect the presence of the plane of symmetry.
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Beng Beh, Tyson Malik, and James M. Stiles "Symmetric observation of a buried target using multipolarimetric reverse-time migration", Proc. SPIE 3710, Detection and Remediation Technologies for Mines and Minelike Targets IV, (2 August 1999);

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