宇航计测技术

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卫星双向时间频率传递调制解调器研制进展

王学运1；赵博2；张升康1,3；王海峰1,3；袁媛1；王宏博1,3   

  1. 1、北京无线电计量测试研究所，北京  100039；
    2、中国人民解放军总参谋部测绘导航局，北京 100081；
    3、计量与校准技术国家级重点实验室，北京  100039
  • 出版日期:2014-10-15 发布日期:2014-10-15

The Progress of BIRMM Two-Way Satellite Time and Frequency Transfer Modem

WANG Xue-yun1；ZHAO Bo2；ZHANG Sheng-kang1,3；WANG Hai-feng1,3；YUAN Yuan1；WANG Hong-bo1,3   

  1. 1、Beijing Institute of Radio Metrology and Measurement, Beijing 100039;
    2、Surveying,Mapping and Navigation Bureau of the PLA Headquarts of General Staff, Beijing 100081；
    3、Science and Technology on Metrology and Calibration Laboratory, Beijing 100039
  • Online:2014-10-15 Published:2014-10-15

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摘要： 卫星双向时间比对调制解调器是卫星双向时间比对系统的核心设备，文章介绍了北京无线电计量测试研究所自主研发的卫星双向时间比对调制解调器(BIRMM modem)的研制情况，该设备具备1Mchip/s，2.5Mchip/s，5Mchip/s三种码速率，最多可拓展10个通道，中频输出频率70MHz。通过本地上星比对试验对BIRMM modem的核心性能指标进行了分析及评估。测试结果表明： BIRMM modem的时间比对精度优于0.3ns。

关键词: 调制解调器, 卫星双向时间频率传递, +本地上星时间比对试验

Abstract: The modem is the key equipment in two-way satellite time transfer (TWSTT).In this paper,the new progress of BIRMM TWSTFT modem is introduced. The modem has flexible configuration with multi chip-rate such as 1Mchip/s,2.5Mchip/s and 5Mchip/s and the receiver could expand to 10 channels in one module,the IF frequency is 70MHz. Referring to the test of local twoway satellite comparison,the BIRMM modem performance has been analyzed and evaluated.The test results show that,the precision of BIRMM modem within 0.3 ns.

Key words: Modem, TWSTFT, +Local two-way satellite time comparison test

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