sigpy.mri.rf.util.dinf¶
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sigpy.mri.rf.util.
dinf
(d1=0.01, d2=0.01)[source]¶ Calculate D infinity for a linear phase filter.
Parameters: - d1 (float) – passband ripple level in M0**-1.
- d2 (float) – stopband ripple level in M0**-1.
Returns: D infinity.
Return type: float
References
Pauly J, Le Roux P, Nishimra D, Macovski A. Parameter relations for the Shinnar-Le Roux selective excitation pulse design algorithm. IEEE Tr Medical Imaging 1991; 10(1):53-65.