21 September 2004 Investigation of the suitability of using modulated scatterers to measure the pattern of ground-penetrating radar antennas
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Abstract
Experiments and simulations were performed in order to assess the suitability of electrically and optically modulated scattererers (OMS) as electromagnetic field probes for measuring the pattern of ground-penetrating radar (GPR) antennas. Of special importance for the probe are its comparative performance as well as its frequency response. The former is related to the depth of modulation that the modulating device is able to reach and can be optimized with a proper choice of active element. The latter was improved by making the probe more broadband. The present work will also show the steps that have been taken to achieve better frequency response from 2 GHz to 8 GHz by means of resistively loading the probe and discuss the trade-offs involved in doing so.
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Ricardo A. Lopez, Waymond R. Scott, "Investigation of the suitability of using modulated scatterers to measure the pattern of ground-penetrating radar antennas", Proc. SPIE 5415, Detection and Remediation Technologies for Mines and Minelike Targets IX, (21 September 2004); doi: 10.1117/12.543311; https://doi.org/10.1117/12.543311
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