<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Phase methods of measuring physical quantities and phase measuring equipment are widely used in various fields of science and technology. The article proposes a signal processing methodology based on a combination of the discrete Hilbert transform (DHT) and deterministic, as well as statistical methods of phase measurement. This methodology makes it possible to more fully use the information resource of the measuring signal phase in a wide range of the signal-to-noise ratio. It can be used both in computerized measurement and testing systems, as well as in the processing of measurement data. The benefits of the DHT are considered. The possibility of using statistics of directional data for phase measurements is shown. Circular statistics, such as the mean ring value, circular variance and the resulting vector length, were proposed for use in the phase measurements. Some examples of the use of this methodology in measurements and non-destructive testing are given.</p>
</abstract>

Phase methods of measuring physical quantities and phase measuring equipment are widely used in various fields of science and technology. The article proposes a signal processing methodology based on a combination of the discrete Hilbert transform (DHT) and deterministic, as well as statistical methods of phase measurement. This methodology makes it possible to more fully use the information resource of the measuring signal phase in a wide range of the signal-to-noise ratio. It can be used both in computerized measurement and testing systems, as well as in the processing of measurement data. The benefits of the DHT are considered. The possibility of using statistics of directional data for phase measurements is shown. Circular statistics, such as the mean ring value, circular variance and the resulting vector length, were proposed for use in the phase measurements. Some examples of the use of this methodology in measurements and non-destructive testing are given.

Using Signal Phase in Computerized Systems of Non-destructive Testing

Measurement Science Review

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Using Signal Phase in Computerized Systems of Non-destructive Testing"}

Phase methods of measuring physical quantities and phase measuring equipment are widely used in various fields of science and technology. The article proposes...

Using Signal Phase in Computerized Systems of Non-destructive Testing

Online veröffentlicht: 21. Jan. 2022

Seitenbereich: 32 - 43

Eingereicht: 09. Nov. 2021

Akzeptiert: 13. Jan. 2022

DOI: https://doi.org/10.2478/msr-2022-0004

Schlüsselwörter
signal processing, phase measurement, discrete Hilbert transform, circular statistics

© 2022 Zhong Mei et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Using Signal Phase in Computerized Systems of Non-destructive Testing

Online veröffentlicht: 21. Jan. 2022

Seitenbereich: 32 - 43

Eingereicht: 09. Nov. 2021

Akzeptiert: 13. Jan. 2022

DOI: https://doi.org/10.2478/msr-2022-0004

Schlüsselwörtersignal processing, phase measurement, discrete Hilbert transform, circular statistics

© 2022 Zhong Mei et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Schlüsselwörter
signal processing, phase measurement, discrete Hilbert transform, circular statistics