基于GPS PPK的高海拔电力工程航测应用

Application of high altitude power engineering aerial survey based on GPS PPK method

对PPK技术在相控点测量及POS解算时的精度进行了分析,结果表明其作业精度为厘米级,满足电力工程航测相关要求。同时,结合某电力工程实例进行了验证,利用该方法工程中平面中误差为0.22 m,高程中误差为0.34 m,可满足大比例尺地形图相关规范要求,大幅提高作业效率,减少作业强度;该作业方式可为高海拔区域气候多变、交通不便、体力消耗大等不利因素制约下开展工程勘察作业提供有效经验参考。

Analyzes the accuracy of PPK method in phase control point layout and POS solution.At the same time,combined with a power engineering example,the method has an error of 0.22 m in the plane and 0.34 m in the elevation,which can meet the requirements of the relevant specifications for large-scale topographic maps,greatly improve the operation efficiency and reduce the operation intensity;this operation method can It provides an effective experience reference for carrying out engineering survey operations under the constraints of unfavorable factors such as climate change,inconvenient transportation,and large physical exertion in high-altitude areas.