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Title: Coaxial power sensor calibration with adaptor by direct comparison transfer
Authors: Cai, Yang
Shan, Yueyan
Lin, Zhiping
Neo, Hoon
Keywords: DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2012
Source: Cai, Y., Shan, Y., Lin, Z.,& Neo, H. (2012). 2012 Conference on Precision Electromagnetic Measurements.
Abstract: This paper describes the practical development of National Metrology Centre (NMC)'s microwave power sensor calibration system using the direct comparison transfer method based on previous developed coaxial broadband calibration system. We propose an analytical method to deal with the adaptor problem to treat the connector difference and power level difference of DUTs from the reference standards. The model is established by using signal flow graph together with non-touching loop rule analyses. The calibration transfer equation is derived through the transfer functions. The uncertainties are evaluated for the complex reflection coefficient inputs following the internationally recommended guidelines.
DOI: 10.1109/CPEM.2012.6250675
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:EEE Conference Papers

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