Vogt, DRNyareli, TN2009-09-112009-09-112008-06Vogt, DR and Nyareli, TN. 2008. Borehole radar directionality in the time domain in small aperture antennas. 12th International Conference on Ground Penetrating Radar, Birmingham, United Kingdom, 16-19 June 2008, pp 6978-0-9561121-0-1http://hdl.handle.net/10204/358112th International Conference on Ground Penetrating Radar, Birmingham, United Kingdom, 16-19 June 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 this paper, a time-domain technique is used to demonstrate that the direction of incoming radiation can be determined by calculating the time delay between antenna elementsenBorehole radarDirectional antennasTime domainScale modelPhysical modelInterpolationAperture antennasGround penetrating radarRadarConference PresentationVogt, D., & Nyareli, T. (2008). Borehole radar directionality in the time domain in small aperture antennas. http://hdl.handle.net/10204/3581Vogt, DR, and TN Nyareli. "Borehole radar directionality in the time domain in small aperture antennas." (2008): http://hdl.handle.net/10204/3581Vogt D, Nyareli T, Borehole radar directionality in the time domain in small aperture antennas; 2008. http://hdl.handle.net/10204/3581 .TY - Conference Presentation AU - Vogt, DR AU - Nyareli, TN AB - It 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 this paper, a time-domain technique is used to demonstrate that the direction of incoming radiation can be determined by calculating the time delay between antenna elements DA - 2008-06 DB - ResearchSpace DP - CSIR KW - Borehole radar KW - Directional antennas KW - Time domain KW - Scale model KW - Physical model KW - Interpolation KW - Aperture antennas KW - Ground penetrating radar KW - Radar LK - https://researchspace.csir.co.za PY - 2008 SM - 978-0-9561121-0-1 T1 - Borehole radar directionality in the time domain in small aperture antennas TI - Borehole radar directionality in the time domain in small aperture antennas UR - http://hdl.handle.net/10204/3581 ER -