An intelligent lighting system for railway goods yard based on spread spectrum power line carrier communication technique is proposed.
用扩频电力线载波通信技术设计了铁路站场智能化照明系统。
2
In this dissertation, we focus on researching the performance of both linear high-speed optical fiber communication and soliton transmission system using PSA as in-line amplifier.
本论文提出把PS A作为在线放大器应用于线性高速光纤通信系统和光孤子系统。
3
Meeting system, on-line game back up server based on group communication.