用最优化方法研究测角后交最佳点位  

RESEARCH ON OPTIMUM POINT POSITION OF ANGULAR RESECTION BY OPTIMIZATION METHOD

作　　者：刘爱荣[1] 法惟刚[1] 

机构地区：[1]本溪冶金高等专科学校,辽宁本溪117022

出　　处：《勘察科学技术》2002年第3期48-52,共5页Site Investigation Science and Technology

摘　　要：该文给出测角后交点位精度的显函数表达式 ,用解析法分析了对称交会的最佳点位 ,用无约束最优化DFP法研究了一般情况下的测角后交最佳点位的规律 。In the paper, an explicit function expression of point position accuracy of angular resection is given Optimum point position of symmetric intersection is analyzed by analytical method The regularity of optimum point position of angular resection in the ordinary circumstances is studied by DFP method of unconstrained optimization The insufficiency of the conclusions in certain references has been pointed out as well

关 键 词：测角后方交会 点位方差 图形系数 解析法 对称交会 DFP法 

分 类 号：P228.4[天文地球—大地测量学与测量工程]