星载原子钟物理部分通用研究方法
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摘要
传统铷钟、铯钟、氢钟是导航卫星的核心载荷,它们的性能直接决定着导航定位的精度以及整个系统的自主运行时间。为了对不同种类的原子钟物理部分进行客观评估,对整机闭环系统进行仿真验证,提出了用于被动型原子钟的通用研究方法—调制-解调法。利用此方法研究了铷钟的开环特性,实现了铷钟的动态锁定,并且成功推广到铯钟和氢钟的研制中。该方法为更好地开展星载原子钟的电路研究、整机调试以及新型原子钟的研发提供重要的参考。
Traditional frequency standards such as Rubidium,Cesium and Hydrogen atomic clocks are the key payload of navigation satellite. In order to evaluate the physical packages objectively of different kinds of atomic clocks and simulate the overall unit system,the general research method called Modulation-Demodulation was proposed for passive atomic clocks. With this method,the property of open-loop of Rubidium atomic clock was studied extensively. And the dynamic lock of Rubidium atomic clock was implemented as well. In addition,the method has been successfully extended to the research of Cesium and Hydrogen atomic clocks. Hence,the method above will provide important reference for atomic clock electric study and overall unit debugging as well as the development of new pattern atomic clock.
Traditional frequency standards such as Rubidium,Cesium and Hydrogen atomic clocks are the key payload of navigation satellite. In order to evaluate the physical packages objectively of different kinds of atomic clocks and simulate the overall unit system,the general research method called Modulation-Demodulation was proposed for passive atomic clocks. With this method,the property of open-loop of Rubidium atomic clock was studied extensively. And the dynamic lock of Rubidium atomic clock was implemented as well. In addition,the method has been successfully extended to the research of Cesium and Hydrogen atomic clocks. Hence,the method above will provide important reference for atomic clock electric study and overall unit debugging as well as the development of new pattern atomic clock.
引文
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[2]刘玉菲,高翔,吴亚明,等.不同原子频标的物理工作原理对比[J],微计算机信息,2006 22(4):171-172.
[3]康松柏,李文兵,钟达,等.开槽管微波腔中微波场分布初步研究[J],波谱学杂志,2012,29(1):87-91.
[4]聂帅,王鹏飞,等.一种铷原子频标磁屏蔽因子的测量方法[C].北京:全国时间频率学术会议,2015.
[5]王青,齐向晖,等.小型化光抽运铯原子束频标的研究进展[C].北京:全国时间频率学术会议,2015.
[6]林传福,刘铁新,翟造成,等.被动型小氢钟的试验研究[J].计量学报,2003,24(1):70-71.
[7]Busca,et al.Passive H maser[C].Atlantic:Annual Frequency Symposium,1979.
[8]尼古拉·德米朵夫.氢钟开发技术与展望[J].宇航计测技术,2007(增刊):6-14.