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本文从误差理论出发,采用数理统计方法,对云南省1980—1984年的流动重力测量料资进行了全面精度评价。得出多期三程测量一测段平均观测中误差为24微伽。同时,对影响三程测量精度的系统误差进行了分析。认为仪器的突然性掉格和非线性掉格是影响三程测量精度的系统误差的主要方面。提出了为提高观测精度在工作中应注意的几个主要问题。
Based on the error theory, this paper uses the mathematical statistics method to evaluate the overall accuracy of mobile gravity measurement materials in Yunnan Province from 1980 to 1984. Obtained multi-period three-way measurement of one section of the average observed error of 24 microgas. At the same time, the systematic errors that affect the accuracy of three-way measurement are analyzed. It is considered that sudden dropout and non-linear dropout of the instrument are the main aspects of systematic errors that affect the accuracy of three-way measurement. Several main problems that should be paid attention to in order to improve the observation accuracy are put forward.