System for Real-time Data Acquisition and Processing of Control Surveying Based on PDA

摘要

According to the feature of control surveying and development situation of field data acquisition and processing, combining with the PDA, which are widely used in mobile field, a design idea of system for data acquisition and processing of control surveying based on PDA was introduced in the article. The development of this system was carried out under Operating System of Windows CE, the language used for development is Visual Basic .Net, which can provide a emulate PDA environment for development on a personal computer (PC). After system development was finished on PC, the system was then transplanted to real PDA environment for verification. The developing thinking and realization of system was described in the article. Data files structure was designed to match the requirement of the system and main data structure of traverses was introduced. The system can meet design objective on the structure and functions to realize data acquisition and processing of control surveying. It is also verified by an example of control network. The result indicates that the system is practical, reliable and easy to use for control surveying. It can also greatly improve work efficiency in the field. The system for real-time data acquisition and processing of control surveying based on PDA possesses the reality and feasibility for inside and outside integration.