Method, apparatus, node device and network system for detecting optical signal-to-noise ratio
作者： Juan Ni , Ning Deng , Yijia Wei , Zhiyong Feng
DOI:
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摘要: The present invention discloses a method and an apparatus for detecting optical signal-to-noise ratio, node device, network system. includes: receiving detected signal carrying amplified spontaneous emission ASE noise; first alternating current component direct of the signal; acquiring modulation information correction corresponding to according information; determining ratio OSNR component, information.
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