摘要
本文对高精度轻小型航空遥感系统对地检校场试验进行了分析,详细介绍数据处理的过程,重点给出利用PosAV系统后处理软件PosPac输出的导航结果计算影像外方位元素与空三获取外方位元素的比较结果,并在1∶500成图比例尺下,采用3种不同方法均匀采集检校场外业点进行直接地理定位精度验证,对于大比例尺测图是可以实现的。
The analysis of SWDC calibration field test equipped with POS was given in this paper. A brief introduction of data processing in each process was given, also the differences between the exterior orientation elements calculated from the navigation data provided by the PosAV system post-processing software Pospac 4.1 and aerial triangulation were mainly addressed. At the same time, based on the 1:500 photogrammetric scale, three different methods were used to symmetrically collect the control points in the calibration field. The results verified the accuracy of direct georeferencing in large scale.
出处
《测绘科学》
CSCD
北大核心
2013年第1期128-129,135,共3页
Science of Surveying and Mapping
基金
中国测绘科学研究院重大科技专项(777101602)
科技型中小企业技术创新基金(11C26211103834)
关键词
POS
直接地理定位
检校场
精度
Pos
direct georeferencing
calibration field
accuracy
作者简介
杨娜(1987-),女,山东临沂人,研究生,研究方向:大地测最与测量工程。E—mail:sdyangna@126.com