首次电白兔绝对校准比对
First electrical White Rabbit absolute calibration inter-comparison
摘要：
由PTP White Rabbit（PTP-WR）设备组成的时间传输链路可以传输亚纳秒精度的时间。最初，White Rabbit器械被校准为一组两个器械。校准方面的进展使单独的绝对校准PTP-WR设备成为可能。这使得PTP-WR设备的交换无需昂贵的现场端到端校准。电绝对校准是绝对校准的基础。它校准内部时间戳和外部电时间参考平面之间的时间关系。在本文中，我们研究的电时间传递的精度时，一个链接设置使用电绝对校准的PTP-WR设备由不同的实验室校准。
英文摘要：
A time transfer link consisting of PTP White Rabbit (PTP-WR) devices can transfer time with sub-nanosecond accuracy. Originally White Rabbit devices were calibrated as a set of two devices. Progress in calibration makes individual absolute calibrated PTP-WR devices possible. This enables exchange of PTP-WR devices without the need for expensive in-situ end-to-end calibrations. Electrical absolute calibration is the basis of absolute calibration. It calibrates the time relationship between the internal timestamp and the external electrical time reference plane. In this paper we examine the electrical time transfer accuracy when a link is setup using electrical absolute calibrated PTP-WR devices calibrated by different laboratories.
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