摘要
提出了空间直角坐标系坐标转换非线性模型顾及二次项及交叉项的直接解法 ,公式简洁 ,易于进行精度评定。最后解算公式中顾及了非线性模型的固有曲率立体阵和参数曲率立体阵 ,能够揭示非线性平差的本质。对求解较大的转换参数具有重要的理论和实践意义。
In this paper,the directly calculation method of nonlinear coordination conversion model for spatial right\|angle coordination system is presented in consideration of both the second\|order and the intersection\|order terms,by which the formula can be simplified and the precision estimated easily.Stereo matrixes of the intrinsic curvature and parameter curvature of nonlinear model are taken into calculation formula ot reflect nonliear in truth.It is valid for theory and practice to calculate bigger conversion parameter.
出处
《工程勘察》
CSCD
北大核心
2002年第5期27-30,共4页
Geotechnical Investigation & Surveying
基金
国家自然科学基金资助项目 (4 0 1740 0 3)
