A wavelength label information analysis device and analysis method
A wavelength label and information analysis technology, applied in the field of optical communication, can solve the problem of not being able to correctly detect the frequency-related information of the wavelength label and the result error, etc.
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[0031] In this solution, a Chirp-Z Transform (CZT for short) transformation is introduced into the frequency analysis of the wavelength tag technology to overcome the defects of using the FFT transformation.
[0032] figure 1 It is a diagram of a general device for analyzing wavelength label information, and the device includes an optical splitter (11), an optical conversion unit (12), a signal conditioning unit (13), an ADC unit (14), and a logic processing unit (15).
[0033] Among them, the optical splitter (11) divides the received optical signal carrying the wavelength label into the optical conversion unit (12), and the ratio of the optical signal distributed to the optical conversion unit (12) by the conventional optical splitter is 1%. ~5%. The optical-to-electrical unit (12) converts the received optical signal into an electrical signal and sends it to the signal conditioning unit (13), and the signal conditioning unit (13) processes the received electrical signal, i...
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