On-vehicle,GPS antenna measurements
Makaleler > Tam Makale · 2007
Yazarlar: Korkut YEĞİN
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, SCI Expanded İndekslerine Giren Dergi, Uluslararası, 2007, cilt 6, ss 488-491
Özet
Although GPS antennas are commonly used for vehicle applications, their on-vehicle gain patterns are not known well. Especially, when the antenna is mounted at locations other than the roof center, the antenna gain becomes directional at mid-to-low elevation angles. The goal of this letter is to investigate the GPS passive antenna performance at its,actual, on-vehicle mounting locations. For four different antenna locations on a sedan vehicle with sunroof, the antenna gain is measured in a quasi-far-field antenna range. The results are also compared to those of finite ground plane, anechoic chamber measurements.