In optical performance monitoring system,the analog to digital converter is needed to detect the peak of nanosecond pulse and get the signal envelope.A scheme based on a designed anti-aliasing filter and analog to dig...In optical performance monitoring system,the analog to digital converter is needed to detect the peak of nanosecond pulse and get the signal envelope.A scheme based on a designed anti-aliasing filter and analog to digital converter is proposed to broaden the nanosecond pulse and make it easier for the analog to digital converter to catch the peak of the nanosecond pulse.The experimental results demonstrate that,with the proposed scheme,the optical performance system needs less time to get the recovered eye-diagram of high speed optical data signal,and is robust to phase mismatch in the analog to digital converter circuit.展开更多
介绍了利用ICE(internet communication engine)中间件开发应用程序方法和优势,提出了一种基于ICE的局域网监控系统方案。阐述了整个方案的实现功能和关键技术。该方案采用ICE中间件技术实现了一种分布式的通信代理模块,使得各个模块之...介绍了利用ICE(internet communication engine)中间件开发应用程序方法和优势,提出了一种基于ICE的局域网监控系统方案。阐述了整个方案的实现功能和关键技术。该方案采用ICE中间件技术实现了一种分布式的通信代理模块,使得各个模块之间可以透明的通信,提高了系统的安全性、健壮性、可扩展性和可维护性。展开更多
基金supported by National 863 Program of China(2013AA013401),P.R.ChinaNational Natural Science Foundation of China under Grant No.61177067,No.61027007,and No.61331010
文摘In optical performance monitoring system,the analog to digital converter is needed to detect the peak of nanosecond pulse and get the signal envelope.A scheme based on a designed anti-aliasing filter and analog to digital converter is proposed to broaden the nanosecond pulse and make it easier for the analog to digital converter to catch the peak of the nanosecond pulse.The experimental results demonstrate that,with the proposed scheme,the optical performance system needs less time to get the recovered eye-diagram of high speed optical data signal,and is robust to phase mismatch in the analog to digital converter circuit.
文摘介绍了利用ICE(internet communication engine)中间件开发应用程序方法和优势,提出了一种基于ICE的局域网监控系统方案。阐述了整个方案的实现功能和关键技术。该方案采用ICE中间件技术实现了一种分布式的通信代理模块,使得各个模块之间可以透明的通信,提高了系统的安全性、健壮性、可扩展性和可维护性。
