Method for enhancing clock synchronization accuracy in distributed network system
A distributed network and clock synchronization technology, applied in the direction of synchronization signal speed/phase control, transmission system, synchronization device, etc., can solve problems such as deviation, large disturbance clock crystal oscillator speed, etc.
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[0015] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0016] As shown in Figure 1, the specific implementation of the method of the present invention for the large disturbance problem caused by network uncertainty includes the following steps:
[0017] 1. The local slave clock calculates the time offset from the master clock;
[0018] 2. According to the time deviation in the above step 1, compare it with the deviation value configured by the user through the register. If it is greater than the deviation value configured by the user through the register, discard the time deviation calculated this time and do not correct the system time. At the same time, we can analyze that this result is caused by an occasional large disturbance in the network. If it is less than or equal to the deviation value configured by the user through the register, adjust the time of the local slave clock according to the time de...
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