Abstract: Through the research on the current situation of PDA application to road engineering at home and abroad,a kind of survey and design integration system inside or outside road job is proposed based on high-performance PDA.The function of main modules,the development and runtime environment of the system have been illustrated.The system is powerful,efficient,real-time,visual,and easy to operate.

Key words: personal digital assistant (PDA), road engineering, survey and design, setting-out

摘要： 通过对国内外PDA在道路工程中的应用现状研究,提出了一种基于高性能PDA的道路内外业勘测设计一体化系统,阐述了系统主要模块的功能,并对其开发、运行环境进行了说明。该系统具有功能强大、效率高、实时化、可视化、操作简便等优点。

关键词: 个人数字助理, 道路工程, 勘测设计, 放样