PHARAO时间和频率性能验证系统

Proceedings of the 2004 IEEE International Frequency Control Symposium and Exposition, 2004. Pub Date : 2004-08-23 DOI:10.1109/FREQ.2004.1418567

P. Guillemot, J. Dutrey, J. Vega, M. Chaubet, D. Chebance, C. Sirmain, G. Santarelli, D. Chambon, P. Laurent, M. Rousselet, C. Locke, E. Ivanov, M. Tobar, T. Potier

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引用次数: 7

摘要

PHARAO冷原子钟计划于2007年与ESA ACES任务一起飞行，将在图卢兹的CNES设施进行组装和测试。随着车载计算机和微波源的电气集成，工程模型的组装已经开始。验证工程模型和飞行模型的计量性能是集成活动的主要挑战之一。需要在10/sup -15/级别进行测试，以推断在10/sup -16/范围内的空间时钟性能的行为。本文详细介绍了该时频测试系统的结构和计量特点，并对PHARAO微波源的计量性能进行了初步评价。

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The PHARAO time and frequency performance verification system

The PHARAO cold atoms clock, which is scheduled to fly in 2007 with the ESA ACES mission, will be assembled and tested at the CNES facilities in Toulouse. Assembly of the engineering model has already started with electrical integration of the on-board computer and the microwave source. Verification of the metrological performances of both the engineering and flying models is one of the main challenges of integration activities. A test at the 10/sup -15/ level is needed to extrapolate the behaviour of the clock performances in space in the 10/sup -16/ range. The paper describes the detailed architecture and metrological features of this time and frequency test system with a preliminary evaluation of the metrological performances of the PHARAO microwave source.

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Proceedings of the 2004 IEEE International Frequency Control Symposium and Exposition, 2004.

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