Magnetic Resonance
Magnetic Resonance
MR
Articles | Volume 7, issue 2
Articles | Volume 7, issue 2
https://doi.org/10.5194/mr-7-125-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/mr-7-125-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 7, issue 2
Research article
 | 
14 Sep 2026
Research article |  | 14 Sep 2026

Simulating the extraction of signal parameters and spectrograms for non-stationary NMR signals

Jixin Chen

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Short summary
This simulation study compares Fourier transform, wavelet analysis, and direct nonlinear time-domain fitting for stationary, very short, and non-stationary nuclear magnetic resonance (NMR) free induction decay (FID) signals. It examines dynamically broadened signals, point-sampling approximations to finite collection windows, and the capabilities and limitations of wave fitting for parameter estimation from short, relatively simple FID segments.
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