Vol. 32

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2012-05-16

Impact of the Wave Number Estimation in Underground Focused SAR Imaging

By Fernando Quivira, Jose Angel Martinez-Lorenzo, and Carey Rappaport
Progress In Electromagnetics Research Letters, Vol. 32, 29-38, 2012
doi:10.2528/PIERL11120519

Abstract

This work studies the impact of estimating soil wave number in Underground Focused SAR imaging for tunnel detection applications. It is demonstrated that neglecting wave refraction at the ground surface results in poor underground imaging; however, by considering refraction with inexact, yet sufficiently high, estimates of soil dielectric constant, clear target images can be produced. In addition, using a wrong wave number for the soil incorrectly predicts the tunnel's depth, but gives positive identification of its transverse extent.

Citation


Fernando Quivira, Jose Angel Martinez-Lorenzo, and Carey Rappaport, "Impact of the Wave Number Estimation in Underground Focused SAR Imaging," Progress In Electromagnetics Research Letters, Vol. 32, 29-38, 2012.
doi:10.2528/PIERL11120519
http://test.jpier.org/PIERL/pier.php?paper=11120519

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