Characterization of Tapered-Slot Antenna Designs for Subsurface Radar Applications

Conference: EuCAP 2009 - 3rd European Conference on Antennas and Propagation
03/23/2009 - 03/27/2009 at Berlin, Germany

Proceedings: EuCAP 2009

Pages: 3Language: englishTyp: PDF

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Maksimovitch, Yelena; Mikhnev, Valeri (Institute of Applied Physics, National Academy of Sciences, Akademicheskaya str., 16, Minsk, Belarus)
Vainikainen, Pertti (SMARAD/Department of Radio Science and Engineering, Helsinki University of Technology, P.O. Box 3000, 02015 TKK, Espoo, Finland)

Some characteristics of ultra-wideband tapered-slot antennas important in subsurface radar applications such as return loss, radiation pattern and low variation of the antenna response with respect to variations of the distance between the antenna and reflecting surface have been analyzed. Three types of the antenna opening, namely exponential Vivaldi type, elliptical flare with corrugated edges and elliptical flare have been studied. All the antennas had been fed by baluns formed of microstrip and slotline radial stubs.