多径干扰噪声的检测方法、装置、计算机设备及存储介质

By acquiring the test signal spectrum and power spectrum of the optical communication system, calculating the noise spectrum difference, and using a Wiener filter to filter out MPI noise, the problem of accuracy in detecting multipath interference noise in the optical communication system is solved, and the signal transmission quality is improved.

CN116470958BActive Publication Date: 2026-07-17INNOLIGHT TECHNOLOGY (SUZHOU) LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
INNOLIGHT TECHNOLOGY (SUZHOU) LTD
Filing Date
2022-07-12
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies cannot accurately detect multipath interference noise (MPI noise) in optical communication systems, especially under PAM modulation, where the bit error rate is high and affects signal transmission quality.

Method used

By acquiring the spectrum and power spectrum of the test signal, the noise spectrum is determined, and the difference between the noise spectrum and the received noise spectrum is calculated to obtain the multipath interference noise spectrum. Optimal filtering is then achieved using frequency domain methods and Wiener filters.

Benefits of technology

This enables accurate measurement of the MPI noise spectrum, reduces the bit error rate, and improves the signal transmission quality of optical communication systems.

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Abstract

本申请涉及一种多径干扰噪声的检测方法、装置、计算机设备、存储介质和计算机程序产品。其中方法通过获取测试信号对应的测试信号频谱和第一功率谱，并根据测试信号频谱和第一功率谱，确定测试信号的噪声谱，进而获取测试信号的噪声谱与预先测得的接收噪声谱之间的第一差值，从而得到多径干扰噪声谱，以实现对MPI噪声谱进行准确测量。
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