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Computer Simulation of Calculation Frequency Deviation from Odd Frequency Spectrum Cover

Computer Simulation of Calculation Frequency Deviation from Odd Frequency Spectrum

Measurement Science Review
Volume 26 (2026): Issue 1 (February 2026)
By: Peter Andris and  Ivan Frollo  
Open Access
|Jan 2026

Figures & Tables

Fig. 1.

Procedure of the simulated experiment. The labels (a), (b), (c), and (d) correspond to those in Fig. 3. and Fig. 5.
Procedure of the simulated experiment. The labels (a), (b), (c), and (d) correspond to those in Fig. 3. and Fig. 5.

Fig. 2.

Transformations of indices. After FT, the positions of the samples also change; in the latter case, only the indices (blue color) are affected.
Transformations of indices. After FT, the positions of the samples also change; in the latter case, only the indices (blue color) are affected.

Fig. 3.

Components of the complex spectrum and their suitability for further calculation: (a) Real, (b) and (c) Imaginary, and (d) Absolute value. Typical shape, close to the expected result. The discrete nature of the signals has been suppressed for better clarity.
Components of the complex spectrum and their suitability for further calculation: (a) Real, (b) and (c) Imaginary, and (d) Absolute value. Typical shape, close to the expected result. The discrete nature of the signals has been suppressed for better clarity.

Fig. 4.

Finding the frequency f0.
Finding the frequency f0.

Fig. 5.

Calculation of frequencies A using three components of the spectrum: (a) Real, (b) Imaginary, (c) Absolute value.
Calculation of frequencies A using three components of the spectrum: (a) Real, (b) Imaginary, (c) Absolute value.
DOI: https://doi.org/10.2478/msr-2026-0002 | Journal eISSN: 1335-8871
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Language: English
Page range: 10 - 13
Submitted on: Jun 26, 2025
|
Accepted on: Nov 10, 2025
|
Published on: Jan 5, 2026
Published by: Slovak Academy of Sciences, Institute of Measurement Science
In partnership with: Paradigm Publishing Services
Publication frequency: Volume open
Keywords:
nuclear magnetic resonance,
odd frequency function,
complex frequency spectrum,
computer simulation
Related subjects:
Engineering,
Electrical engineering,
Control engineering, metrology and testing

© 2026 Peter Andris, Ivan Frollo, published by Slovak Academy of Sciences, Institute of Measurement Science
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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