| IRIG-B码在时间同步系统中的应用 |
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| 引用本文： | 邴志光,束坤,顾燕飞.IRIG-B码在时间同步系统中的应用[J].现代电子技术,2012,35(7):16-18. |
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| 作者姓名： | 邴志光 束坤 顾燕飞 |
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| 作者单位： | 1. 江苏科技大学,江苏镇江,212003
2. 船舶重工集团公司723所,江苏扬州,225001 |
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| 摘 要： | 当前,越来越多的系统是由分布在不同位置的多个分系统组成的,实现各个分系统之间的时间同步成为一个重要的研究课题。为了实现两站的时间同步,采用了时间双向对比法,在时间双向对比法中,要实现两站的时间同步,两站之间必须进行信息的传递,采用IRIG-B码作为时间双向对比法中的时间传递码元,利用FPGA实现了IRIG-B码的编码与解码,可以发现利用FPGA实现的IRIG-B码比传统的利用单片机实现IRIG-B码具有更多的优点：占用的FPGA资源少,语言结构简单易用实现,并且得到的IRIG-B码精度高。
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| 关 键 词： | IRIG-B 时间同步 FPGA 时间双向对比法 |
Application ofIRIG-B code in time synchronization system |
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| BING Zhi-guang
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SHU Kun
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GU Yan-fei.Application ofIRIG-B code in time synchronization system[J].Modern Electronic Technique,2012,35(7):16-18. |
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| Authors: | BING Zhi-guang SHU Kun GU Yan-fei |
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| Affiliation: | 1(1.Jiangsu University of Science and Technology,Zhenjiang 212003,China;2.The 723 Institute of CSIC,Yangzhou 225001,China) |
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| Abstract: | Currently,more and more system is composed by a number of subsystems which are distributed in different locations.Achieving time synchronization of each subsystem is an important study.For achieving time synchronization between two platforms,using time two-way transfer method,in this method,two platforms must transfer information to achieve time synchronization.IRIG-B code is adopted as a code which is used for time transfer in time two-way transfer.The FPGA can be used to achieve a coding and decoding of IRIG-B code,which has more virtue than traditional method: occupied resource is less,language structure is simple and easy to implement,and precision of IRIG-B code is high. |
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| Keywords: | IRIG-B time synchronization FPGA time two-way transfer method |
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