Bursa的3参数模型与7参数模型的适用性研究  

The adaptability study of Bursa’s 3-parameter and 7-parameter models

作　　者：于彩霞[1] 黄文骞[1] 樊沛[1] 

机构地区：[1]海军大连舰艇学院海洋工程系,辽宁大连116018

出　　处：《测绘科学》2008年第2期96-97,共2页Science of Surveying and Mapping

基　　金：国家自然科学基金资助项目(40371097)

摘　　要：对于Bursa模型,7参数模型相对于3参数模型更严密,但存在局部区域内参数不稳定且难于确保参数在控制点外围区域的转换精度。本文利用仿真试验检验3参数模型与7参数模型的精度、稳定性与所用公共点的控制范围的关系,得出了模型的选择方法。In Burs, compared with 3-parameter model, 7-parameter is more strictly. But it has the problems that the parameters are instable locally and hard to ensure the transformation accuracy in the area outside control points. In the paper, the accuracy, stability and the relation with the control points range of 3-parameter and 7-parameter models are verified by simulation test. The method of choosing model is obtained.

关 键 词：BURSA模型 坐标转换 转换参数 

分 类 号：P22[天文地球—大地测量学与测量工程]