【作者】 王金虎； 李传荣； 周梅；

【Author】 Wang Jinhu~(1,2),Li Chuanrong~1,Zhou mei~1 1.Academy of Opto-Electronics,Chinese academy of sciences,Beijing,China 2.Graduate University of Chinese academy of Sciences,Beijing,China

【机构】 中国科学院光电研究院； 中国科学院研究生院；

【摘要】 GNSS实时动态(Real Time Kinematic,RTK)定位技术又称载波相位动态实时差分技术,它能够实时地提供所测量的点在指定坐标系中的三维坐标,具有精度高、实时性和高效性等特点。本文针对无人机载影像数据处理中厘米级精度像控点的需求,通过在任务区中布设基准站和像控点,结合RTK定位测量技术的原理及相应的精度控制方法进行像控点的测量及对测量数据进行处理,测量数据的处理结果达到了无人机影像处理所需的精度要求。同时,本文分析和总结了影响RTK测量精度的因素,为无人机载相机的动态检校和所采集影像的几何纠正提供了有力的支持。更多还原

【Abstract】 GNSS RTK technique,known as the Dynamic real-time carrier phase differential technique,makes it possible to get 3D coordinates of the surveying point in certain Coordinate System in real-time.Also because of the high accuracy,real-time and high efficiency characteristics,RTK is now widely used in various situations.This paper combines the theory of RTK surveying and project acquirements and then applies the technology to the surveying of Ground Control Points.By setting base-station and Ground Control Points,processing the surveying data by applying appropriate accuracy controlling means,finally we get centimeter-level accuracy GCPs coordinates.The results were used for Image Geometric Correction that captured by Unmanned Aerial Vehicle and Camera Calibration.Also,this paper concludes the possible causes that decline surveying accuracy.更多还原