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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2009-09-24
Scattering and Image Simulation for Reconstruction of 3D PEC Objects Concealed in a Closed Dielectric Box
By
Junwen Dai,

    Dr. Junwen Dai

    Fudan University

    China

    Homepage

Ya-Qiu Jin

    Prof. Ya-Qiu Jin

    Fudan University

    China

    Homepage

Progress In Electromagnetics Research M, Vol. 9, 41-52, 2009
doi:10.2528/PIERM09081804 | Google Scholar

Abstract
A new approach of imaging reconstruction of concealed PEC targets in a dielectric closed box, using azimuth multi-angle measurements, is developed. As the broadband stepped-frequency radar transmits planar wave from different azimuth directions around the target, the backscattered electrical fields in both the amplitude and phase are obtained. The two-dimensional fast Fourier transform (2D-FFT) algorithm for spline interpolation is adopted for uniformly sampled backscattering fields. Then, 2D images of a dielectric box with and without the concealed targets can be numerically simulated. Multi-azimuth backscattering electri- cal fields of complex shaped PEC targets and dielectric surrounding walls are calculated by the method of moments (MoM), which is based on the coupled volume-surface integral equation (VSIE). The concealed targets can be well identified from the imaging reconstruction.
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Citation
Junwen Dai, and Ya-Qiu Jin, "Scattering and Image Simulation for Reconstruction of 3D PEC Objects Concealed in a Closed Dielectric Box," Progress In Electromagnetics Research M, Vol. 9, 41-52, 2009.
doi:10.2528/PIERM09081804
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