Title :
Novel shape of Vivaldi antenna for water detection using GPR
Author :
Elsheakh, D.M. ; Abdallah, E.A.
Author_Institution :
Microstrip Dept., Electron. Res. Inst., Cairo, Egypt
Abstract :
Novel planar ultra-wideband Vivaldi antenna is introduced for water detection using GPR with good performance as compared to conventional TEM horn antenna. An exponential tapered slot edge (TSE) structure with etched six pairs of defected ground structure as electromagnetic band gap (EBG) is employed. The proposed shape has the advantage of extending the low-end bandwidth limit and improves the antenna matching especially at low frequency. The electrical length of the antenna is reduced by 40 % as compared to the original antenna size.
Keywords :
defected ground structures; ground penetrating radar; planar antennas; ultra wideband antennas; EBG; GPR; TSE structure; Vivaldi antenna; antenna matching; defected ground structure; electromagnetic band gap; etched six pairs; planar ultrawideband antenna; tapered slot edge structure; water detection; Antenna feeds; Bandwidth; Ground penetrating radar; Microstrip antennas; Slot antennas; Vivaldi antennas; Ultra-wideband; Vivaldi antenna; ground penetrating radar; water detection;
Conference_Titel :
Antennas and Propagation (MECAP), 2012 Middle East Conference on
Conference_Location :
Cairo
Print_ISBN :
978-1-4799-1277-3
DOI :
10.1109/MECAP.2012.6618207
