系统控制核心是单片机，信号的传输采用电力载波通讯技术。
The core of the controlling system is the single-chip computer. and the conveying of the signal adopts the communication technology of powerline carrier wave.
主控装置包括单片机及与单片机电连接的存储器、 按键、显示装置、电力载波通讯模块。
The main control device comprises a singlechip and a memory, buttons, a display device and an electrical carrier wave communication module which are connected with the singlechip.
为了解决水文巡测设备中数据传输的可靠性，电力载波通讯中的单频阻波器技术被应用到巡测设备上。此法简单易行，稳定可靠。
Single - frequency resistance - wave technique has been introduced from power - driven carrier wave communication to patrol - measurement, thanks to its easy manipulation and stable reliability.
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