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针对大坝外观变形监测精度要求高、作业量大等特点,在测量机器人采集外业数据的基础上,以Visual Basic编程语言和Access数据库为工具开发了前方交会平差系统。解决了观测手簿生成、数据预处理、历史数据提取、变形曲线图绘制等实际应用问题,初步实现了大坝前方交会测量的内外业一体化。详述了该系统开发过程中的几项关键技术问题以及工程应用实例分析。
In view of the high deformation monitoring accuracy of dam appearance and the large workload, based on the collection of field data by robots, the front crossing adjustment system was developed using Visual Basic programming language and Access database as tools. The practical application problems such as the generation of observation handbook, data preprocessing, historical data extraction and deformation curve drawing were solved, and the integration of internal and external business of the intersection survey in front of the dam was initially realized. The key technical problems in the process of system development and examples of engineering application are described in detail.