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Introduction

  • Gustav Gautschi
Chapter

Abstract

A measurement is the experimental determination of the magnitude of a physical quantity by comparing it with the corresponding unit of measurement. However, most measurements are made indirectly by exploiting physical effects in suitable measuring devices such as transducers or sensors. Most often the quantity to be measured is converted by a sensor into an output quantity of different nature that then can be amplified and recorded as required. A particularly convenient type of output signal is an electric quantity, and one speaks of an electric measuring method.

Keywords

Acoustic Emission Piezoelectric Sensor Output Quantity Gold Foil Transduction Element 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2002

Authors and Affiliations

  • Gustav Gautschi
    • 1
  1. 1.ZürichSwitzerland

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