Azimuth zero position calibration method of telemetry equipment based on RTK surveying technology
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摘要:
针对现有遥测设备方位零位标定方法不满足机动测控需求的问题，提出一种基于旋翼无人机及实时动态 RTK 载波相位差分技术的遥测设备方位零位标定方法，推导测向关键算法，完成方位零位标定系统设计。通过采用数据同步匹配、异常值剔除及随机误差平滑等算法提高标定精度。测试及分析结果表明，采用该方法的方位零位标定精度可满足当前 S 频段和 Ka 频段遥测设备要求。
Abstract:
In order to solve the problem that the azimuth zero position calibration method of current telemetry equipment doesn't meet the requirements of mobile measurement and control, this paper proposes an azimuth zero position calibration method based on rotor UAV and RTK surveying technology. The key algorithm of direction finding is deduced and the design of azimuth zero calibration system is completed. The calibration accuracy is improved by using the algorithms of data synchronization matching, outlier elimination and random error smoothing. The test result shows that the calibration accuracy of this method can meet the requirements of current telemetry equipment in S and Ka frequency bands.
