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Metrology is part of the essential but largely hidden infrastructure of the modern world. This book concentrates on the infrastructure aspects of metrology. It introduces the underlying concepts: International system of units, traceability and uncertainty; and describes the concepts that are implemented to assure the comparability, reliability and quantifiable trust of measurement results. It is shown what benefits the traditional metrological principles have in fields as medicine or in the evaluation of cyber physical systems.
Whereas simple manual drives were often used in stage technology in the past, today highly specialized know-how is employed. Therefore, personnel must be trained accordingly. This training ranges from courses for craftsmen to higher education at technical colleges and universities. The book therefore appeals to the entire range of interested parties; only one chapter requires basic technical knowledge.
The book focuses on the extension of quality-assured measurement and metrology into psychological and social domains. This is not only feasible and achievable, but also a pressing concern. Significant progress in developing a common conceptual system for measurement across the sciences has been made in recent collaborations between metrologists and psychometricians, as reported in the chapters of this book. Modeling, estimation, and interpretation of objectively reproducible unit quantities that support both general comparability and adaptation to unique local circumstances are demonstrated in fields as diverse as artificial intelligence, justice, and beauty perception.
This book elucidates the complexities surrounding measurement uncertainties, offering detailed insights into uncertainty analysis, error propagation, and calibration methodologies. Through rigorous examination, it provides practical strategies for mitigating measurement errors and enhancing precision. An essential reading for students seeking a thorough understanding of uncertainty quantification.
Precision and uniformity are indispensable when working with physical quantities, units and formula symbols. Only through unambiguous and authoritative notation is interdisciplinary cooperation possible. The book gives an overview of all common quantities and units, which are needed in studies and teaching as well as in everyday work. All printed quantities and units are currently valid and standardized in ISO/IEC. The book includes: _brief introduction to the development of the system of units _overview on the system of quantities and units _calculating with quantity values _units (international system of units, SI) _notation of numbers _mathematical symbols _Standardized symbols for quantities (mechanics, space and time, radiation, solid state physics, etc.), elements, nuclides, particles and quantum states. _Appendix: conversion to the U.S. customary system of units.