基于时间间隔测量的宽范围高分辨率时间同步检测方法

doi:10.3969/j.issn.0372-2112.2013.06.006

电子学报 ›› 2013, Vol. 41 ›› Issue (6): 1076-1083.DOI: 10.3969/j.issn.0372-2112.2013.06.006

基于时间间隔测量的宽范围高分辨率时间同步检测方法

杜保强¹, 刘丹¹, 郭淑婷¹, 王延峰¹, 曹玲芝¹, 左艳迪¹, 周渭^1,2

1. 郑州轻工业学院电气信息工程学院, 河南郑州 450002;
2. 西安电子科技大学信息处理研究所, 陕西西安 710071

收稿日期:2012-08-24 修回日期:2013-01-12 出版日期:2013-06-25
- 作者简介:
- 杜保强男,1973年生于河南民权,2011年获得西安电子科技大学博士学位,博士后,现为郑州轻工业学院副教授,硕士生导师,主要研究方向为精密时频测控,信号与信息处理. E-mail:dubaoqiang@ zzuli.edu.cn 刘丹女,1986年生于河南新乡,现为郑州轻工业学院硕士研究生,研究方向为信号与信息处理. E-mail:liudan@ zzuli.edu.cn郭淑婷女,1982年生于河南新乡,2008年在西安电子科技大学获得硕士学位,现为郑州轻工业学院讲师,研究方向为信号与信息处理、精密时频测控.E-mail:guost@ zzuli.edu.cn
- 基金资助:
- 国家自然科学基金 (No.60772135,No.10978017); 中国博士后科学基金 (No.2011M501446,No.2012T50738); 河南省基础与前沿技术研究基金 (No.122300410169); 郑州市重点攻关项目 (No.121PZDGG245); 中国科学院精密导航定位与定时技术重点实验室开放基金 (No.2012PNTT01); 郑州轻工业学院博士基金 (No.2011BSJJ031); 郑州轻工业学院科研基金 (No.2012XJJ009)

High-Resolution and Wide-Range Time Synchronization Detection Method Based on Time Interval Measurement

DU Bao-qiang¹, LIU Dan¹, GUO Shu-ting¹, WANG Yan-feng¹, CAO Ling-zhi¹, ZUO Yan-di¹, ZHOU Wei^1,2

1. College of Electric and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou, Henan 450002, China;
2. Institute of Signals and Data Processing, Xidian University, Xi'an, Shaanxi 710071, China

Received:2012-08-24 Revised:2013-01-12 Online:2013-06-25 Published:2013-06-25
- Supported by:
- National Natural Science Foundation of China (No.60772135, No.10978017); China Postdoctoral Science Foundation (No.2011M501446, No.2012T50738); Fund of Henan Research Program of Basic and Frontier Technology (No.122300410169); Key Project of Zhengzhou City (No.121PZDGG245); Key Laboratory of Precision Navigation, Positioning and Timing Technology of Chinese Academy of Sciences (No.2012PNTT01); Doctoral Foundation od Zhengzhou University of Light Industry (No.2011BSJJ031); Science Research Foundation of Zhengzhou University of Light Industry (No.2012XJJ009)

摘要/Abstract

摘要： 针对传统时间同步技术中测量范围与分辨率之间的矛盾,提出一种基于时间间隔测量的宽范围高分辨率时间同步检测方法.利用电磁波信号在特定介质中传播的准确性和稳定性,结合任意信号之间无需频率归一化处理的异频相位检测原理,以时空转换关系为基础,将基于长度游标的时频测量技术应用于导航卫星1pps信号的同步检测,进而提高1pps信号之间时间差测量的分辨率.同时,该技术与传统的高精度时间间隔测量方法配合使用,形成多层次逐级测量法,可以进一步扩宽测量范围.实验结果证明了该方法的合理性和科学性,其测量分辨率可达到50ps量级,稳定度优于10ps.该方法将为我国航空航天、导航定位、通信、计量、雷达、天文等高科技领域的进一步发展提供理论指导并对其中关键的时间同步方面提供技术支持.

关键词: 时间同步, 异频相检, 卫星导航, 多层次测量

Abstract: Aiming at the contradictory between measurement range and resolution in the traditional time synchronization technology,a high-resolution time synchronization detection method with wide range is proposed on the basis of time interval measurement.Using the accuracy and stability of electromagnetic wave signal transmission in a specific medium,combining the different frequency phase detection principle without frequency normalization between any signals,and based on the conversion of time and space relations,a time-frequency measurement technique based on length vernier is used in navigation satellite for the synchronization detection of 1pps signal,which improves the resolution of the time difference measurement of 1pps signal.Moreover,the multi-levels measurement method formed by combining the technique and the traditional time interval measurement method with high precision has a wide measurement range in time and frequency measurement field.It was found that the method is reasonable and scientific in our experiment.Experimental results show that the measurement resolution with 50ps can be obtained in this method,and its stability is better than 10ps.The novel method may be ussful for providing the theoretical guidancethe and the key technical support of time synchronization to the chinese high-tech areas,such as aeronautics and astronautics,navigation and positioning,communication,metrologica,radar,astronomy and so on.

Key words: time synchronization, different frequency phase detection, satellite navigation, multi-levels measurement

中图分类号:

TM935.15

杜保强, 刘丹, 郭淑婷, 等. 基于时间间隔测量的宽范围高分辨率时间同步检测方法[J]. 电子学报, 2013, 41(6): 1076-1083.

DU Bao-qiang, LIU Dan, GUO Shu-ting, et al. High-Resolution and Wide-Range Time Synchronization Detection Method Based on Time Interval Measurement[J]. Acta Electronica Sinica, 2013, 41(6): 1076-1083.

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基于时间间隔测量的宽范围高分辨率时间同步检测方法

High-Resolution and Wide-Range Time Synchronization Detection Method Based on Time Interval Measurement

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