Wireless Time Synchronization for Multiple UAV-Borne Pseudolites Navigation System

2016 ◽  
pp. 303-315 ◽  
Author(s):  
Chenglong He ◽  
Baoguo Yu ◽  
Zhixin Deng
Keyword(s):  
Navigation System ◽  
Time Synchronization

scholarly journals A clock synchronization method in power dispatching based on BeiDou navigation system

2021 ◽  
Vol 2108 (1) ◽  
pp. 012092
Author(s):  
Hongbo Lian ◽  
Xingcai Wang ◽  
Shuo Zhang
Keyword(s):  
Power System ◽  
Full Advantage ◽  
Navigation System ◽  
Field Programmable Gate Array ◽  
Time Synchronization ◽  
Clock Synchronization ◽  
Internal Clock ◽  
Improved Method ◽  
Field Programmable ◽  
Power Dispatching

Abstract This paper introduces the problems of poor signal condition of a single time source in time synchronization or error in time source switching in the power system. It adopts the two-clock mode timing scheme of BeiDou 2 synchronous satellite and GPS synchronous satellite to ensure the stable output of the main clock within a certain accuracy. The system takes full advantage of the field programmable gate array (FPGA) hardware method, aligns the internal clock lock signal with the input second pulse phase, and proposes an improved method for the problem of large clock synchronization deviation based on the network, which proves the effectiveness and superiority of the system to accurately output the pulse and provide reliable time synchronization for the power dispatching system.

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