High precision clock synchronization method, module, equipment and system for timing system
A high-precision clock and timing system technology, applied in the fields of high-precision clock synchronization methods, modules, equipment and systems, can solve problems such as multi-level time difference accumulation, limited PTP timing accuracy, and time deviation
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[0064] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0065] The present invention provides a high-precision clock synchronization method for a time service system to solve the problems of limited time service accuracy, asymmetrically introduced time deviation and multi-level cascade introduced time difference accumulation in the existing PTP protocol-based time service method. figure 1 It is a system block diagram of the first embodiment of the present invention. The timing system includes a master end and a slave end. The master end and the slave end communicate and exchange network data with time stamps through the PHY interface control unit. The master end includes a master end satellite Receiver, master local frequency source, master time difference measurement and master PHY interface control unit, slave includes slave satellite receiver, slave local frequency sour...
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Abstract
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