GNSS antenna phase center and group delay evaluating

Li, Lixun; Li, Baiyu; Chen, Huaming; Wang, Feixue

doi:10.1109/apcap.2015.7374396

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“…With the development of satellite navigation, remote sensing, modern communication, et al, antenna group delay (GD) is paid more and more attentions nowadays. Especially for global navigation satellite systems (GNSS), antenna GD measurement accuracy will set the boundaries of how well it will perform [11][12][13][14][15]. The group delay of the antenna versus aspect angle is defined in the standard of Radio Technical Commission for Aeronautics (RTCA), and its limit is also specified from 0.65 ns to 2.5 ns related to the elevation angle at GPS L1 frequency (1575.42 MHz) which shows the requirements for high accuracy antenna GD measurement [16].…”

Section: Introductionmentioning

confidence: 99%