Wideband frequency- and time-domain EMI for mine detection

Lawrence Carin; I. J. Won; Dean A. Keiswetter

doi:10.1117/12.357043

2 August 1999 Wideband frequency- and time-domain EMI for mine detection

Lawrence Carin, I. J. Won, Dean A. Keiswetter

Proceedings Volume 3710, Detection and Remediation Technologies for Mines and Minelike Targets IV; (1999) https://doi.org/10.1117/12.357043
Event: AeroSense '99, 1999, Orlando, FL, United States

Abstract

The phenomenology of frequency- and time-domain electromagnetic induction (EMI) is examined in detail, through use of a rigorous electromagnetic scattering model, and through appropriate signal analysis. We demonstrate that both the time- and frequency-domain EMI signatures can be characterized in terms of a few magnetic singularities, thereby significantly reducing the number of features that need be stored for target identification. Further, we examine the aspect-dependent properties of the relative extinction strengths of the magnetic-singularity modes. Finally, we perform a statistical analysis of the relative efficacy of frequency- and time-domain EMI operation, for a class of conducting targets.

Citation Download Citation

Lawrence Carin, I. J. Won, and Dean A. Keiswetter "Wideband frequency- and time-domain EMI for mine detection", Proc. SPIE 3710, Detection and Remediation Technologies for Mines and Minelike Targets IV, (2 August 1999); https://doi.org/10.1117/12.357043

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