Comparisons of ring resonator relative permittivity measurements to ground penetrating radar data

Marie Fishel; Phillip Koehn; Erik Rosen

doi:10.1117/12.2050882

29 May 2014 Comparisons of ring resonator relative permittivity measurements to ground penetrating radar data

Marie Fishel, Phillip Koehn, Erik Rosen

Proceedings Volume 9072, Detection and Sensing of Mines, Explosive Objects, and Obscured Targets XIX; 90720O (2014) https://doi.org/10.1117/12.2050882
Event: SPIE Defense + Security, 2014, Baltimore, MD, United States

Abstract

Field experience has shown that soil conditions can have large effects on the ability of ground-penetrating radar (GPR) to detect buried targets of interest. The relative permittivity of the soil determines the attenuation of the radar signal. The contrast between the relative permittivity of the soil and the target is critical to determining the strength of the reflection from the target. In this paper, to measure the relative permittivity of the soil and various target fill materials, a microstrip ring resonator is placed in contact with a material medium. The real and imaginary parts of the relative permittivity are determined from (1) changes in resonant frequencies (between 600 MHz and 2 GHz) and (2) the quality factor of the resonator, respectively. Measurement results are compared to data collected by a GPR.

Citation Download Citation

Marie Fishel, Phillip Koehn, and Erik Rosen "Comparisons of ring resonator relative permittivity measurements to ground penetrating radar data", Proc. SPIE 9072, Detection and Sensing of Mines, Explosive Objects, and Obscured Targets XIX, 90720O (29 May 2014); https://doi.org/10.1117/12.2050882

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