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Metrology and Measurement Systems

The Journal of Committee on Metrology and Scientific Instrumentation of Polish Academy of Sciences

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Volume 18, Issue 2 (Jan 2011)

Issues

Application of Sensitivity Analysis to the Correction of Static Characteristics of a Phase Angle Modulator

Ryszard Sroka
  • Department of Measurement and Instrumentation, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Cracow, Poland
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2011-06-09 | DOI: https://doi.org/10.2478/v10178-011-0007-3

Application of Sensitivity Analysis to the Correction of Static Characteristics of a Phase Angle Modulator

The paper presents definitions and relative measures of the system sensitivity and sensitivity of its errors. The model of a real system and model of an ideal measuring system were introduced. It allows to determine the errors of the system. The paper presents also how to use the error sensitivity analysis carried out on the models of the measuring system to the correction of the nonlinearity error of its static characteristic. The corrective function is determined as a relation between the input variable of the tested system and its chosen parameter. The use of the proposed method has been presented on the example of a phase angle modulator. The obtained results have been compared with the results of analytic calculations. The idea of a phase angle modulator is also presented.

Keywords: phase modulator; sensitivity analysis; static characteristics; methods of correction

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About the article


Published Online: 2011-06-09

Published in Print: 2011-01-01


Citation Information: Metrology and Measurement Systems, ISSN (Print) 0860-8229, DOI: https://doi.org/10.2478/v10178-011-0007-3.

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