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13 August 2002 Effect of soil moisture on land mine detection using ground penetrating radar
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The contrast in relative dielectric constant between landmines and the surrounding soil is one of the most important elements for radar detection purposes. For most geologic materials the relative dielectric constant lies within the range of 3-30, with dry sand at the lower end of this range at about 3-5. Nonmetallic landmines have a dielectric constant range of 3.2-9.8 whereas metallic landmines have a much higher relative dielectric constant. In previous work, literature data were used to compose a MATLAB model that determines whether or not field conditions are appropriate for use of GPR instruments. This model has been verified for dry and moist sand, silt, and clay soils in New Mexico. The objective of this paper is to validate this model over a wider range of soil texture and soil moisture conditions. Therefore, GPR measurements will be taken on experimental test facilities for landmine detection at Yuma Proving Grounds in Arizona and at the TNO Physics and Electronics Laboratory in The Netherlands. These facilities cover a wide range of soil textures from ferruginous sand to clay and peat as well as many levels of soil moisture.
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Timothy W. Miller, Brian Borchers, Jan M. H. Hendrickx, Sung-Ho Hong, Henk A. Lensen, Piet B. W. Schwering, and Jan B. Rhebergen "Effect of soil moisture on land mine detection using ground penetrating radar", Proc. SPIE 4742, Detection and Remediation Technologies for Mines and Minelike Targets VII, (13 August 2002);

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