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Research and Application of Timing Technology

Author: LiuKai
Tutor: ZhouWei
School: Xi'an University of Electronic Science and Technology
Course: Measuring Technology and Instruments
Keywords: Time unified GPS FPGA Second pulse
CLC: TP274
Type: Master's thesis
Year: 2010
Downloads: 211
Quote: 3
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Abstract


Time unified system is a standard time signal and standard frequency signal to provide conventional test weapons , missiles, space experiment to achieve the reunification of the time and frequency of the test system , a complete system composed of a variety of electronic devices . The time unified system is an emerging engineering disciplines developed due to the need of the missile and space experiments , with the development of science and technology , more and more modern , such as communication , navigation , power scheduling , astronomy , geodesy , earthquakes , traffic and other fields of engineering and scientific research takes time unified system . The paper through simulation to design high-precision time unified system , the time unified system , the most important part - time synchronization part of the principle focus of analysis , and simulation to achieve . Time synchronization section contains the interval measurement and second pulse correction part , we study the principle of measuring time intervals based on digital phase shift , simulation GPS second pulse and the local oscillator frequency division generated second pulse interval measurement . Then using the GPS second pulse with the local time of the second pulse interval of the local second pulse correction , the completion of the second pulse and the time of the GPS second pulse following the local oscillator synchronization . Design time synchronization based on the realization of the program to obtain a precise UTC time . We take advantage of the wider applications in electronic design automation FPGA technology to the entire the time unified system design , analysis and simulation on the basis of the program . The results show that , to time unified system based on GPS and FPGA technology can achieve high accuracy to meet the monitoring and control sector and the power sector , and many other applications .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system
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