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2014-03-07
Discrimination of Free Space and Subsurface Canonical Metallic Targets Using Hybrid E-Pulse Method
By
Progress In Electromagnetics Research B, Vol. 58, 257-267, 2014
Abstract
Radar scattered time domain response can be modeled by natural poles using singularity expansion method (SEM) in resonance region. In this paper, limitation of the conventional Extinction pulse method is brought out, and a hybrid of conventional Extinction pulse and auto-regressive (AR) method is proposed for robust discrimination of radar targets. A new target discrimination number (TDN) is suggested, which gives very good discrimination margin for enhanced decision process. The Hybrid Extinction pulse technique is applied on the free space targets as well as subsurface canonical metallic targets and the result obtained shows good discrimination margin. The free space target response was obtained using FDTD simulation and the subsurface target response was obtained using frequency domain measurement done for the targets buried under dry sand.
Citation
Dhiraj Kumar Singh M Naveena Devendra Chandra Pande Amitabha Bhattacharya , "Discrimination of Free Space and Subsurface Canonical Metallic Targets Using Hybrid E-Pulse Method," Progress In Electromagnetics Research B, Vol. 58, 257-267, 2014.
doi:10.2528/PIERB14012101
http://www.jpier.org/PIERB/pier.php?paper=14012101
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