【摘要】 提出了一种基于ARM和GPRS网络的水情信息系统的设计方案。介绍了终端数据采集设备的硬件选型、通信协议设计、主控中心软件设计。系统利用现有GPRS网络发挥了网络覆盖率高、传输特性好等优势,因而特别适用于工作环境恶劣、地理位置偏僻、无人值守的场所。更多还原

【Abstract】 This paper presents the design of hydrological information system based on ARM and GPRS network. Introduces the hardware selection of terminal data collection equipment and the design of communication protocol and control center software. Using existing GPRS, which has high rate of network coverage and good transmission characteristic, The system is applicable to the situation of poor working environment or remote location or unmanned place.更多还原