Analysis to the Effectiveness of Observation Based on QR Decomposition

摘要：

In order to diagnose the II IU-conditioningl of the parameter estimation system in the modern surveying and mapping data processing, the effectiveness of observation is analyzed using observation structure.Th rough the QR decomposition of observation matrix ,we transfer the analysis of the observation structure into the analysis of R matrix,then we propose a relative-volume method to analysize the effectiveness of observation,the geometric meaning of which is plain. Examples show this method can accurately measure the II Ill-conditioning of parameter estimation system and is a new method for quantitative diagnosis of II Ill-conditioning.

关键词： QR decomposition observation structure II fltconditioning effectiveness of observation relative-volume method

作者: Jimin Liu Xiushan Lu Ying Guo

作者单位: Geomatics College,Shandong University of Science and Technology,Qingdao,266510,Shandong,China

会议类型: 国际会议

会议名称: Third International Conference on Information and Computing(第三届信息与计算科学国际会议 ICIC 2010)

会议地点: 无锡

会议语种:英文

页码: 227-230

在线出版日期: 2010-06-04（万方平台首次上网日期，不代表论文的发表时间）