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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2019-01-13
Shape Reconstruction of Unknown Targets Using Multifrequency Linear Sampling Method
By
Mallikarjun Erramshetty

    Dr. Mallikarjun Erramshetty

    ECE Department

    National Institute of Technology

    India

    Homepage

Progress In Electromagnetics Research Letters, Vol. 81, 77-83, 2019
doi:10.2528/PIERL18110102 | Google Scholar

Abstract
This paper aims to estimate the shape of microwave scattering objects using linear sampling method (LSM) with multifrequency data. LSM is a simple, reliable linear inverse algorithm and uses multiview multistatic single frequency scattered field data measured around target objects. Despite its simplicity and computational effectiveness, the output LSM results depend on the frequency of operation. To improve the LSM performance, the present work proposes a new formulation that incorporates frequency information in the LSM equation. As a result, LSM finds the target's shape by a simple solution to a linear inverse problem via multifrequency data. The output results are tested with various types of numerical examples of synthetic data as well as experimental data provided by the Institute of Fresnel.
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Citation
Mallikarjun Erramshetty, "Shape Reconstruction of Unknown Targets Using Multifrequency Linear Sampling Method," Progress In Electromagnetics Research Letters, Vol. 81, 77-83, 2019.
doi:10.2528/PIERL18110102
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