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Measurement Techniques
Published in: Measurement Techniques 5/2021

16-10-2021

Influence of Amplitude Quantization on Error of Digital Voltmeter of Alternating Voltage

Author: G. I. Volovich

Published in: Measurement Techniques | Issue 5/2021

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Abstract

The occurrence of a procedural error in a digital voltmeter, related to the finite word length of the voltmeter’s analog-to-digital converter (ADC), is considered. Assessment of the influence of the finite ADC word length on the voltmeter’s measurement error is critical. The influence of quantization frequency and the form of the digital filter on the effective conversion word length in the case of synchronous and asynchronous quantization is demonstrated. The error of a digital voltmeter in representation of the quantization error with uniformly distributed central noise is estimated. Results of computer modeling of the process of conversion of an alternating voltage by a digital voltmeter are presented.
previous article State Verification Scheme for Measuring Instruments to Measure AC and DC Electrical Resistance
next article Approximate Methods of Solving Amplitude-Phase Problems for Continuous Signals

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Metadata
Title
Influence of Amplitude Quantization on Error of Digital Voltmeter of Alternating Voltage
Author
G. I. Volovich
Publication date
16-10-2021
Publisher
Springer US
Published in
Measurement Techniques / Issue 5/2021
Print ISSN: 0543-1972
Electronic ISSN: 1573-8906
DOI
https://doi.org/10.1007/s11018-021-01943-z

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