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Radar attenuation in desert soil
Proc. SPIE 6953, 69530X (2008); doi:10.1117/12.777816
Monday 17 March 2008
Orlando, FL, USA
Detection and Sensing of Mines, Explosive Objects, and Obscured Targets XIII
Russell S. Harmon, John H. Holloway, Jr., J. Thomas Broach
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Add to FacebookSoil properties make a significant impact in the observed responses of various sensors for subsurface target detection. Ground penetrating radars (GPRs) have been extensively researched as a tool for subsurface target detection. A key soil parameter of interest for evaluating GPR performance is the soil attenuation rate. The information about the soil attenuation rate coupled with target properties (size, shape, material properties and depth of burial) can be used to estimate the effectiveness of radar sensors in a particular soil environment. Radar attenuation in desert soil is of interest in today's political and military climate. Laboratory measurements of desert soil attenuation were conducted using samples collected from a desert in Southwestern United States and in Iraq. These measurements were made in a coaxial waveguide over the frequency ranging from 250 MHz to 4 GHz. The soil grain size distribution, mineralogy, moisture and salinity were also measured. This report describes the experimental procedure and presents the radar attenuation rates observed in desert soils. The results show that the soluble salt content is an important parameter affecting the attenuation behavior of desert soils.
© 2008 COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
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Online Apr 14, 2008
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Gary Koh, "Radar attenuation in desert soil",
Proc. SPIE 6953, 69530X (2008); doi:10.1117/12.777816
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