无定向导线测量近似平差方法探讨  

On Approximate Adjustment Measuring with Non-directional Traverse Survey

作　　者：李行洋[1] 李珩[1] 

机构地区：[1]湖北水利水电职业技术学院,武汉430070

出　　处：《水利科技与经济》2014年第10期59-61,64,共4页Water Conservancy Science and Technology and Economy

摘　　要：对于无定向导线,常用的近似平差方法只考虑了边长测量误差,而忽略了角度测量误差,因此可能使计算的待定点点位坐标值存在较大偏差。在顾及两类测量值误差的情况下,探讨满足坐标增量偏差平方和为最小的近似平差方法,并就实例进行验算、分析。For non-directional traverse , the commonly used approximate adjustment with regard to the side length measurement errors ignores the angle errors.Therefore the spot coordinate value at point of certainty has a big deviation.The paper attempts to find out a proximate adjustment which can both meet a minimum sum of squared deviations of incremental coordinates and have regard to the above two methods , then to test and analyze with practical examples.

关 键 词：无定向 导线 测量误差 近似平差 

分 类 号：TV212[水利工程—水文学及水资源]