Henri Baumann
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First results from the comparison of absolute gravimeters WETCAG-2024 at the Geodetic Observatory Wettzell, Germany Open
The validation of compatibility and long-term stability of absolute gravimeters is a key component for the realization of the International Terrestrial Gravity Reference Frame (ITGRF) of IAG and is relevant for metrology, in particular for…
View article: Digital Calibration Certificates (DCC): Benefits and Challenges to overcome for implementation
Digital Calibration Certificates (DCC): Benefits and Challenges to overcome for implementation Open
The term Digital Calibration Certificate (DCC) has been increasingly prevalent in the metrology field, with national and international conferences where stakeholders discuss DCC. This article delves into the implications of integrating “D …
Final Report on key comparison EURAMET.M.G-K2.2023 of absolute gravimeters Open
Main text The regional key comparison of absolute gravimeters, EURAMET.M.G-K3.2023, together with a simultaneously organized additional comparison, was held in Germany at the Geodetic Observatory Wettzell of the German Federal Agency for C…
Physics-Enhanced Graph Neural Networks for Soft Sensing in Industrial Internet of Things Open
The Industrial Internet of Things (IIoT) is reshaping manufacturing,\nindustrial processes, and infrastructure management. By fostering new levels of\nautomation, efficiency, and predictive maintenance, IIoT is transforming\ntraditional in…
Spatial-Temporal Graph Attention Fuser for Calibration in IoT Air Pollution Monitoring Systems Open
The use of Internet of Things (IoT) sensors for air pollution monitoring has significantly increased, resulting in the deployment of low-cost sensors. Despite this advancement, accurately calibrating these sensors in uncontrolled environme…
Spatial-Temporal Graph Attention Fuser for Calibration in IoT Air Pollution Monitoring Systems Open
The use of Internet of Things (IoT) sensors for air pollution monitoring has significantly increased, resulting in the deployment of low-cost sensors. Despite this advancement, accurately calibrating these sensors in uncontrolled environme…
View article: The results of CCM.G-K2.2017 key comparison
The results of CCM.G-K2.2017 key comparison Open
The CCM.G-K2.2017 comparison was organised for the purpose of determination of the degree of equivalence of the national standards for free-fall acceleration measurement. The comparison was held in the Changping Campus of National Institut…