A Structure Design Method for Reduction of MRI Acoustic Noise

Table 2

Maximum SPL reductions of the frequency bands of interest in the central gap by applying asymmetric gradient coil assembly designs.

Frequency bands of interest	200–240 Hz	305–345 Hz	660–720 Hz
Selected criteria (dB)	3.0	3.5	6.5
Optimal length increment interval (cm)	20–25	11–20	19–25