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the claim
Sampling rates lower or higher than the Nyquist rate cause signal aliasing and reconstruction effects.
the verdict
SUPPORTED
the evidence backs this
Recorded sources
3 sources for · 0 against
Is it true that sampling rates lower or higher than the Nyquist rate cause signal aliasing and reconstruction effects?
Yes. Evidence from signal processing and medical imaging confirms that sampling rates below the Nyquist threshold lead to signal aliasing and reconstruction artifacts.
Verdict: SUPPORTED · 3 sources for, 0 against · Last checked
The analysis
The retrieved papers provide consistent empirical and theoretical support for the claim regarding the Nyquist rate and the consequences of undersampling (aliasing and artifacts). Papers [0], [2], and [6] specifically discuss avoiding aliased mixing, applying the Nyquist-Shannon theorem to prevent data distortion, and the emergence of sampling artifacts when angular limits are violated.
Evidence for · 3
Highlights that novel functional MRI sequences enable critical sampling of physiological pulsations devoid of aliased mixing of signals.
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V, K., H, H., L, R., N, H., Z, R., M, J., A, E., J, T., V, P., T, V., T, T., J, K., & V, K. (2025). Ultrafast Imaging of Physiological Brain Pulsations With Magnetic Resonance Encephalography-From Noise to Predictive Clinical Biomarker.. doi.org. https://doi.org/10.1002/nbm.70092
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More for · 2
Utilizes the Nyquist-Shannon theorem to determine optimal sampling rates and avoid signal distortion in tracking symptom dynamics.
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H, J., TA, K., E, S., A, J., UW, E., RKK, P., CL, R., R, T., & EI, F. (2025). Optimizing the frequency of ecological momentary assessments using signal processing.. doi.org. https://doi.org/10.1017/s003329172510264x
Demonstrates that reducing spatial or angular views below the Nyquist limit introduces noticeable sampling artifacts and aliasing.
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S, J., M, D. G., X, H., R, S., A, S. T., M, N., & H, A. (2026). Sparse-view reconstruction and noise reduction in 99m Tc-prostate specific membrane antigen prostate imaging.. doi.org. https://doi.org/10.1097/mnm.0000000000002079
Receipt History
first checked04 Aug 2026
judged → SUPPORTED · 8104 Aug 2026
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