公开(公告)号：US20170019173A1

公开(公告)日：2017-01-19

申请号：US15277802

申请日：2016-09-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhaohui LI ,  Jianping LI ,  Dawei WANG

IPC: H04B10/079 ,  H04B10/61 ,  H04B10/50

CPC classification number: H04B10/0795 ,  H04B10/503 ,  H04B10/61

Abstract: The present invention discloses an apparatus. The apparatus includes: a coherent receiving unit, configured to perform coherent synthesis on a received to-be-detected optical signal and a multi-wavelength local oscillation laser beam, and convert a coherent receiving signal formed by means of the coherent synthesis into an analog electrical signal; a data acquiring unit, configured to acquire the analog electrical signal output by the coherent receiving unit, and convert the analog electrical signal into a digital signal; a power spectrum generation unit, configured to process the digital signal output by the data acquiring unit, to generate a continuous full power spectrum of the to-be-detected optical signal; and an optical performance parameter monitoring unit, configured to monitor, according to the continuous full power spectrum generated by the power spectrum generation unit, an optical performance parameter of a transmission link carrying the to-be-detected optical signal.

Abstract translation: 本发明公开了一种装置。 该装置包括：相干接收单元，被配置为对接收到的待检测光信号和多波长本地振荡激光束执行相干合成，并将通过相干合成形成的相干接收信号转换为模拟 电信号 数据获取单元，被配置为获取由相干接收单元输出的模拟电信号，并将模拟电信号转换为数字信号; 功率谱生成单元，被配置为处理由数据获取单元输出的数字信号，以产生待检测光信号的连续全功率谱; 以及光学性能参数监视单元，被配置为根据由功率谱生成单元产生的连续全功率谱监视承载待检测光信号的传输链路的光学性能参数。