摘要
由于单一指标或将多种指标简单结合无法有效表征GNSS定位结果的质量,提出一种综合评价指标。该指标对观测数据质量指标、GNSS定位处理算法特征数据进行归一化处理,利用变异系数定权方法,将多种指标进行线性组合,所得到的新指标即为综合评价指标。新指标数值越小,表明结果质量越好。实测数据验证表明,新指标是一种有效的定位结果质量评价指标,可服务于工程实践,同时可为GNSS定位结果质量评估提供新思路。
Since a single indicator or a simple combination of several indicators that cannot effectively characterize the GNSS positioning quality,we propose a comprehensive evaluation indicator.This indicator normalizes the observation data quality indicators and GNSS positioning processing algorithm feature data,and uses the coefficient of variation weighting method to linearly combine several indicators.The new indicator is a comprehensive evaluation indicator,with smaller value indicating higher quality.The results show that the new indicator is an effective evaluation indicator for the positioning quality,which can be used in engineering practice and provide a new idea for the quality assessment of GNSS positioning.
作者
黄友灿
陈玉林
薛阳
储兆伟
HUANG Youcan;CHEN Yulin;XUE Yang;CHU Zhaowei(Power China Huadong Engineering Co Ltd,201 Gaojiao Road,Hangzhou 311122,China;Qianxun Spatial Intelligence Co Ltd,1688 North-Guoquan Road,Shanghai 200438,China)
出处
《大地测量与地球动力学》
CSCD
北大核心
2023年第11期1167-1171,共5页
Journal of Geodesy and Geodynamics
关键词
GNSS
定位解算
质量评价指标
GNSS
positioning processing
quality evaluation indicator