文章提出一种基于RabbitMQ和HAProxy的监控系统框架,旨在提高监控系统的可靠性、稳定性和灵活性。针对监控系统的核心功能,实现与地面站设备互联通信和监控的功能,提出基于 XML 和 JSON 的通信协议解析及编解码引擎的技术方案,简化网络...文章提出一种基于RabbitMQ和HAProxy的监控系统框架,旨在提高监控系统的可靠性、稳定性和灵活性。针对监控系统的核心功能,实现与地面站设备互联通信和监控的功能,提出基于 XML 和 JSON 的通信协议解析及编解码引擎的技术方案,简化网络通信过程的编程开发,增强系统扩展性。展开更多
Slowing down velocity and controlling time delay of optical pulses in fiber have many potential applications in optical com-munication systems,and a number of theoretical and experimental studies have been done.In thi...Slowing down velocity and controlling time delay of optical pulses in fiber have many potential applications in optical com-munication systems,and a number of theoretical and experimental studies have been done.In this paper,the transmission spectrum and reflective spectrum of active fiber Bragg grating(FBG)couplers are studied,and the analytic expressions of dispersion and time delay are obtained.By changing the detuning and gain coefficient,different dispersions and time delays in active fiber Bragg grating coupler are obtained.The results show that different detunings and gain coefficients can result in various time delays,and thus tunable time delay could be achieved by changing signal frequency or gain coefficient.展开更多
基金supported by the National Natural Science Foundation of China(No.10704043)the Natural Science Foundation of Zhejiang Province(No.Y1110078)
文摘Slowing down velocity and controlling time delay of optical pulses in fiber have many potential applications in optical com-munication systems,and a number of theoretical and experimental studies have been done.In this paper,the transmission spectrum and reflective spectrum of active fiber Bragg grating(FBG)couplers are studied,and the analytic expressions of dispersion and time delay are obtained.By changing the detuning and gain coefficient,different dispersions and time delays in active fiber Bragg grating coupler are obtained.The results show that different detunings and gain coefficients can result in various time delays,and thus tunable time delay could be achieved by changing signal frequency or gain coefficient.
