Szukana fraza: [Abstrakt = "The paper presents the SNR estimation method using digital smoothing filters. Based on the properties of these filters in the signal processing process, the method of calculating the SNR coefficient as well as the disturbance distribution parameters were proposed. The method was checked to the estimate of degradation in the single mode fiber \(SMF\) of 1 Gbit\/s bit rate for the transmission distance – 53 km."]

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