Acta Metrologica Sinica  2020, Vol. 41 Issue (1): 100-102    DOI: 10.3969/j.issn.1000-1158.2020.01.18
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Evaluation of Effective Efficiency Uncertainty in WR-42 Power Standard System
GU Ruo-chen,YUAN Wen-ze,DING Na,CUI Xiao-hai,LI Yong
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.
Key wordsmetrology      power standard      micro-calorimeter      DC substitution      WR-42      uncertainty     
Received: 09 April 2019      Published: 19 December 2019
PACS:  TB973  
Corresponding Authors: Xiaohai Cui     E-mail: cuixh@nim.ac.cn
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GU Ruo-chen
YUAN Wen-ze
DING Na
CUI Xiao-hai
LI Yong
Cite this article:   
GU Ruo-chen,YUAN Wen-ze,DING Na, et al. Evaluation of Effective Efficiency Uncertainty in WR-42 Power Standard System[J]. Acta Metrologica Sinica, 2020, 41(1): 100-102.
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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2020.01.18     OR     http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2020/V41/I1/100
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