相干光通信外差同步接收系统的性能仿真研究
首发时间:2012-05-17
摘要:相干光通信技术是通信技术研究的关键技术之一。本文主要研究了外差同步相干光通信系统。通过分析相干检测原理和相干通信的解调方式,设计了相干光通信外差同步接收机,用Optisystem仿真软件实现其在不同天气下系统性能的仿真分析。仿真结果表明了BPSK同步外差接收机应用于相干光通信的有效性及灵敏度优势。
关键词: 相干光通信 外差同步接收机 optisystem仿真
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Synchronous receiving system performance simulation of heterodyne coherent optical communication system
Abstract:Coherent optical communication technology is one of the key technologies of the modern communication. This paper mainly studies the synchronous heterodyne coherent optical communication system. A coherent heterodyne synchronous receiver has been designed through the analysis of coherent detection principle and the demodulation of coherent communication. What's more, this paper also did the simulation analysis the performance of the designed system under different weather conditions through the software Optisystem. The simulation results shows that the BPSK synchronous heterodyne receiver has the validity and sensitivity advantage in coherent optical communication.
Keywords: Coherent optical communication Heterodyne synchronous receiver optisystem simulation
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