Advances in Radio Science
Advances in Radio Science
ARS
Articles | Volume 22
Articles | Volume 22
https://doi.org/10.5194/ars-22-35-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ars-22-35-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 22
08 Nov 2024
 | 08 Nov 2024

Uncertainties of S-Parameter Measurements in Rectangular Waveguides at PTB

Andreas Tobias Schramm, Frauke Kathinka Helene Gellersen, and Karsten Kuhlmann

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Latest update: 22 Nov 2024
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Short summary
A systematic analysis of measurement uncertainties in rectangular waveguide calibrations is condcuted. Uncertainty budgets for different waveguide bands are examined, individual uncertainty contributions are discussed and the significant impact of connection repeatability is highlighted. Consequently, an investigation into misaligned waveguide interfaces is undertaken, emphasizing the importance of precise alignment, supported by simulation and experimental data.
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