Technology of time-interval measurement in Time and Frequency Remote Calibration System

Tao He; Huijun Zhang; Zhixiong Zhao; Xiaohui Li

doi:10.1117/12.2014505

31 January 2013 Technology of time-interval measurement in Time and Frequency Remote Calibration System

Tao He, Huijun Zhang, Zhixiong Zhao, Xiaohui Li

Proceedings Volume 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation; 875903 (2013) https://doi.org/10.1117/12.2014505
Event: International Symposium on Precision Engineering Measurement and Instrumentation 2012, 2012, Chengdu, China

Abstract

Time and Frequency Remote Calibration System (TFRCS) based on GPS common-view has been designed by National Time Service Center (NTSC), which is used to realize time and frequency calibration for remote users as well as the precise time traceable to UTC (NTSC) for the local reference time. The high precision PCI plug-in time interval counter is the critical measuring instrument of TFRCS, which is self developed to measure the time interval between two 1 PPS signals from GPS timing receiver and local reference time. The basic principle of time interval counter and the realization method of bottom driver based on PCI are reviewed. On this basis, the method and the measuring results of time interval data based on the driver program are then presented. An experiment has been designed to test the performance of the self developed time interval counter. Research on the technology of time-interval measurement has a very important significance for TFRCS. Furthermore, it also can be used in the field of high precision time-interval measurement.

Citation Download Citation

Tao He, Huijun Zhang, Zhixiong Zhao, and Xiaohui Li "Technology of time-interval measurement in Time and Frequency Remote Calibration System", Proc. SPIE 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation, 875903 (31 January 2013); https://doi.org/10.1117/12.2014505

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