Flexible optical network time domain equalization method and system based on composite neural network
A neural network and time domain equalization technology, which is applied in neural learning methods, biological neural network models, selection devices for multiplexing systems, etc. The effect of channel equalization effect
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[0105] Such as Figure 4 As shown, the embodiment provides a schematic diagram of a typical transmission system, including three parts: a sending end, a transmission link, and a receiving end.
[0106] In the sending end, a tunable laser working in the C-band is used as the light source. After the signal to be sent is preprocessed by the digital signal processing module of the sending end, the digital-to-analog conversion is completed by the arbitrary waveform generator to obtain an analog signal, which is amplified by the electric amplifier. Finally, the Mach-Zehnder modulator is driven to generate the modulated optical signal, and the fiber input power is regulated by the erbium-doped fiber amplifier;
[0107] The transmission link is a standard single-mode fiber, and the adjustable optical attenuator can be used to adjust the received optical power and optical signal-to-noise ratio;
[0108] At the receiving end, the optical signal is received and converted into an electri...
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