C. Dubois, J. Andrieu, B. Beillard, B. Jecko, R. Guillerey, S. Colson, M. Legoff
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UWB radar improvements by using a several antennas system
PULSAR is an ultra wide-band radar developed to detect quickly buried mines on a large area. This paper presents briefly the recent development efforts on this system, especially on a new pulse generator (fast high voltage pulse generator) and a new UWB antenna (Dragonfly antenna). It also deals with the possibility to use several scissors antennas in order to build an antenna array. A study was carried out with 2 scissors antennas, one beside the other, in order to evaluate the influence of the distance between them. Other simulations are realised with only one generator connected to 3 antennas.
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