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arXiv 2102.05942physics.ins-detphysics.app-ph
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INRIM同轴微量热计的改进及模型比较结果

Improvements on INRIM Coaxial Microcalorimeter and Outcome of a Model Comparison

Luciano Brunetti, Luca Oberto, Marco Sellone, Nosherwan Shoaib, Emil Vremera

摘要:

本文介绍了INRIM同轴微量热计的硬件和软件改进,以及在0.05 - 40 GHz频段实现主功率标准的结果。一个更好的温度和功率稳定性,提供了一个改善的信号/噪声比和漂移减少在每一个工作条件下的微量热计。在测量不确定性方面,INRIM校正模型也与传统的但更快的模型进行了比较。结果以2.92 mm热电功率传感器校准的形式呈现,结果表明测量系统的稳定性和可重复性得到改善。

英文摘要:

This paper describes hardware and software improvements of the INRIM coaxial microcalorimeter together with their outcome on the primary power standard realization in the frequency band 0.05 - 40 GHz. A better temperature and power stabilization turned out to provide an improved signal/noise ratio and a drift reduction in every working condition of the microcalorimeter. The INRIM correction model is also compared to a traditional, but faster, one in terms of measurement uncertainty. Outcomes are presented in form of a 2.92 mm thermoelectric power sensor calibration together with results that show the improved stability and repeatability of the measurement system.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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