Author:
Cai Chenglin,Wang fa,Qiu Yunxiang
Abstract
Abstract
Use the Beidou/GPS dual-mode pseudo-range differential positioning method is used to perform high-precision positioning and navigation for the UAV. The error separation differential positioning method is proposed to solve the problem that the correction difference calculated by the traditional differential positioning method is affected by the change of the baseline length, the reference inter-satellite difference method eliminates the reference station receiver clock error and performs ultra-short baseline and short baseline positioning tests. The positioning accuracy is better than 0.4 meters in the horizontal direction and the elevation is better than 0.5 meters.
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