Full-Text Search:
Home|Journal Papers|About CNKI|User Service|FAQ|Contact Us|中文
《Engineering of Surveying and Mapping》 2009-04
Add to Favorite Get Latest Update

Study on fitting model of GPS geoid

WANG Chang,WANG Xu(College of Surveying and Geographical Science,Liaoning Technical University,Fuxin 123000,China)  
In Diaobingshan area,using 76 points which acquire geodetic height by GPS positioning technology known as the raw data,we create a mathematical model geoid,including quadric surface,least squares collocation method.One of these two models are fitted in the district and the district does not fit the two cases.Through examples we found that fitting points and the selected location of the fitting models have great impact.In the flat areas,when using non-Subregional Fitting,quadric surface and least squares collocation we can acquire height anomaly better than in Subregional Fitting situation,and Subregional Fitting and Not-Subregional Fitting can meet the requirements of precision.
【CateGory Index】: P228.4
Download(CAJ format) Download(PDF format)
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.
©2006 Tsinghua Tongfang Knowledge Network Technology Co., Ltd.(Beijing)(TTKN) All rights reserved