This paper presents a UWB tapered Vivaldi Antenna for time domain radar applications. The proposed antenna has a hyperbolic cosine aperture profile which produces a smoother transition between the feeding slotline and the curved profile of the taper. Measurements results show that the impedance bandwidth is 0.8-9.93 GHz for the S <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">11</inf> < 10 dB with an average peak gain in the end-fire direction greater than 3 dBi. These results are in good agreement with those obtained in simulation.
Tópico:
Antenna Design and Analysis
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Fuente2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI)
