The technology of recovering amplitude, phase and polarization state information from the received signal by using which of the following characteristics of the laser to coherent with the received optical signal is called coherent receiving technology?

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D. same frequency

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A. Vibration in the same direction

Answer

B. Same amplitude

Answer

C. The direction of vibration is opposite

The technology of recovering amplitude, phase and polarization state information from the received signal by using which of the following characteristics of the laser to coherent with the received…

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