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近年来,通过对布设在陕甘宁地区水平形变网中,在测角、激光测距及基线量边观测资料的对比分析,发现水平形变测量中不同的施测方法所得结果有明显差异,其中激光测距和基线量边这两种独立测距方法之间的差异尤为显著。本文用RM—Ⅲ型距仪在西北地区8个水平网的资料,以数理统计方法,就下列问题进行探讨。 1)RM—Ⅲ测距仪所测边长是否存在有比较显著的系统误差;2)若存在,这种系统误差的变化规律及表现形式如何?
In recent years, by comparing and analyzing the measured data of goniometry, laser distance measurement and baseline measurement in horizontal deformation network distributed in the region of Shaanxi, Gansu and Ningxia, it is found that the results obtained by different methods of measurement are obviously different The differences between the two independent ranging methods, laser ranging and baseline metering, are particularly noticeable. In this paper, RM-Ⅲ-type distance meter in the northwest region of eight horizontal network data, mathematical statistics, the following issues are discussed. 1) Is there a significant systematic error in the measured length of the RM-III range finder? 2) If there is, what are the rules and manifestations of the systematic error?