Title :
Wideband tapered-slot antenna with corrugated edges for GPR applications
Author :
Mikhnev, Valeri ; Vainikainen, Pertti
Author_Institution :
Inst. of Appl. Phys., Akademicheskaya, Minsk, Belarus
Abstract :
A novel wideband tapered-slot antenna for GPR applications is proposed. A conventional approach to reduce unwanted interactions between the antenna and the ground surface requires extensive microwave absorbers treatment. For the same purpose we propose to use corrugations along the antenna edges. The corrugations improve directivity and wideband matching of the antenna with free space retaining also good radiation efficiency. Further improvement of the antenna performance has been achieved by patching the corrugated areas of the antenna with the resistance card strips. The elimination of the foam-type absorbers makes the antenna more robust and easier in fabrication.
Keywords :
ground penetrating radar; slot antennas; GPR applications; antenna edges; antenna performance; corrugated edges; directivity; foam-type absorbers; free space; ground penetrating radar; ground surface; microwave absorbers treatment; radiation efficiency; resistance card strips; wideband matching; wideband tapered-slot antenna; Broadband antennas; Corrugated surfaces; Ground penetrating radar; Impedance matching; Loaded antennas; Microstrip antennas; Microwave antennas; Reflector antennas; Slot antennas; Surface treatment;
Conference_Titel :
Microwave Conference, 2003. 33rd European
Print_ISBN :
1-58053-834-7
DOI :
10.1109/EUMC.2003.1262993