| WR-42功率基准系统有效效率不确定度评定 |
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| 引用本文： | 谷若晨,袁文泽,丁娜,崔孝海,李勇.WR-42功率基准系统有效效率不确定度评定[J].计量学报,2020,41(1):100-102. |
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| 作者姓名： | 谷若晨 袁文泽 丁娜 崔孝海 李勇 |
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| 作者单位： | 中国计量科学研究院,北京 100029 |
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| 摘 要： | WR-42功率基准是一套微量热计系统,利用直流替代及量热技术对被测热敏电阻型功率座的有效效率进行定标。对WR-42功率基准系统中有效效率不确定度评定的过程进行了介绍,并给出了有效效率的测量结果与不确定度的评定结果。该基准的研制成功,填补了18～26.5GHz频段的空白,结合其它功率基准,使我国射频与微波功率计量基准频段从10MHz连续覆盖到了220GHz。
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| 关 键 词： | 计量学 功率基准 微量热计 直流替代 WR-42 不确定度 |
| 收稿时间： | 2019-04-09 |
Evaluation of Effective Efficiency Uncertainty in WR-42 Power Standard System |
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| GU Ruo-chen,YUAN Wen-ze,DING Na,CUI Xiao-hai,LI Yong.Evaluation of Effective Efficiency Uncertainty in WR-42 Power Standard System[J].Acta Metrologica Sinica,2020,41(1):100-102. |
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| Authors: | GU Ruo-chen YUAN Wen-ze DING Na CUI Xiao-hai LI Yong |
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| Affiliation: | National Institute of Metrology, Beijing 100029, China |
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| Abstract: | The WR-42 power standard is a micro-calorimeter system that uses DC substitution and calorimetry techniques to measure the effective efficiency of the WR-42 thermistor mount. The uncertainty assessment of effective efficiency in WR-42 micro-calorimeter system is introduced, and the measurement results of effective efficiency and uncertainty are given. The development of this power standard fills the gap between 18GHz and 26.5GHz, which help Chinese RF power standard fully cover the frequency band between 10 MHz and 220GHz. |
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| Keywords: | metrology power standard micro-calorimeter DC substitution WR-42 uncertainty |
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