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Optical signal-to-noise ratio measuring device and optical signal-to-noise ratio measuring method

机译:光学信噪比测量装置和光学信噪比测量方法

摘要

An optical signal-to-noise ratio (OSNR) measuring device includes a processor, wherein the processor executes a process. The process includes: converting an optical signal to an electrical signal; first acquiring a signal intensity from the electrical signal; second acquiring a noise intensity of a predetermined frequency band from the electrical signal; performing a digital conversion on the noise intensity; and computing an OSNR of the optical signal based on the signal intensity and the converted noise intensity. The predetermined frequency band is a frequency band including a folding noise that occurs when the digital conversion is performed.
机译:光学信噪比(OSNR)测量设备包括处理器,其中处理器执行处理。该过程包括:将光信号转换为电信号;以及首先从电信号中获取信号强度;第二,从电信号中获取预定频段的噪声强度;对噪声强度进行数字转换;根据信号强度和转换后的噪声强度计算光信号的OSNR。预定频带是包括在执行数字转换时出现的折叠噪声的频带。

著录项

  • 公开/公告号US10374701B2

    专利类型

  • 公开/公告日2019-08-06

    原文格式PDF

  • 申请/专利权人 FUJITSU LIMITED;

    申请/专利号US201715418335

  • 申请日2017-01-27

  • 分类号H04B10/60;H04B10/077;H04B10/079;

  • 国家 US

  • 入库时间 2022-08-21 12:13:41

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