Author:Vogt, DR; Nyareli, TNDate:Jun 2008It is difficult to achieve significant directivity in the radial direction of a borehole radar antenna, because the spacing of antenna elements is typically constrained by the borehole diameter to be considerably less than a wavelength. In ...Read more
Author:Vogt, DRDate:Sep 2000In this thesis, Radio Tomography is the name of a geophysical technique for imaging the attenuation of high frequency continuous wave radio waves in the plane between two boreholes in the earth. One of the central problems of radio tomography ...Read more