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Lightwave signal anti- noise ratio calculation manner and WDM transmission device of WDM transmission system and WDM transmission system
Lightwave signal anti- noise ratio calculation manner and WDM transmission device of WDM transmission system and WDM transmission system
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机译:WDM传输系统和WDM传输系统的光波信号抗噪比的计算方法及WDM传输装置
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摘要
A wavelength division multiplexing (WDM) transmission system for transmitting a wavelength division multiplexed signal light from a sender transmission apparatus to a receiver transmission apparatus is provided. The system comprises a computing unit that subtracts from a first optical signal noise ratio (OSNR) of the signal light measured by the receiver transmission apparatus a second OSNR ascribed to a sideband of the signal light measured by the sender transmission apparatus so as to compute a corrected OSNR of an amplified spontaneous emission (ASE) noise light with a reduction of an effect of the sideband.
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