Information synchronization method and apparatus
A technology of information synchronization and synchronization frame, applied in the synchronization field of quantum key distribution system, can solve the problems of low implementation efficiency, regardless of deviation, Bob cannot detect photon signals, etc., to save devices, achieve high efficiency and considerable economic effect
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[0063] The following describes the embodiments of the present invention in detail. This embodiment is implemented on the premise of the technical solution of the present invention, and provides detailed implementation modes and specific operation procedures, but the protection scope of the present invention is not limited to the following implementations example.
[0064] See figure 2 As shown, the present invention provides a synchronization method applied to a quantum key distribution system without the need to emit additional synchronization light. The method includes three steps: the first step is to calculate the delay: calculate the time delay of the signal light from the transmitting end to the receiving end; the second step is frame synchronization: the frame synchronization is performed through the classic channel, that is, the frame is determined; the third step is the position within the frame Synchronization: According to the transmission delay calculated in the firs...
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