| 单词 | vor | |||||||||||||||||||||
| 释义 | VORvor(vɔː)VORVORVORVOR (very high frequency omnidirectional radio-range)![]() ![]() ![]() ![]() or the code may be removed. In the system, the ground station transmits two signals simultaneously but with a phase difference, as with a bearing of the beacon from the aircraft. There is no phase difference when the aircraft is directly north of the transmitting station; the signals are 90° out of phase when the aircraft is due east of the transmitting station and 180° and 270° when the aircraft is directly south and west, respectively, of the transmitting station. Stations are aligned with magnetic north, except when located in high latitudes, where they are aligned with true north. The system is used for both en route navigation and as a terminal approach aid. On aeronautical charts, the availability of VORs and terminal VORs is indicated as shown in the illustration.VORVORVestibulo-ocular reflex, see there.VORVOR
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