控制系统、监控系统、监测系统、管理系统等各种应用系统,其功能的发挥都要基于精确、可靠的信息采集,信息采集是最基础,但也是最关键的环节。有些现代化的管理手段之所以不能实施,就是受限于信息采集技术和设备在特殊条件下或特殊环境中的信息采集能力。在轨道交通中,无论是干 Control systems, monitoring systems, monitoring systems, management systems and other applications, its functions are based on accurate and reliable information collection, information collection is the most basic, but it is also the most critical part. Some of the modern management methods can not be implemented, is limited by the information collection technology and equipment in special conditions or special environment information collection capabilities. In rail transit, either dry