Beat phenomena of oscillating readouts.
Hannes DillingerSophie M PeereboomSebastian KozerkePublished in: Magnetic resonance in medicine (2024)
Oscillating readouts such as those used in EPI can result in low-frequency, erroneous phase contributions, which are explained by the beat phenomenon. Therefore, EPI phase-correction approaches may need to include beat effects for accurate image reconstruction.