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Define the shape from the XWIN-NMR shape tool:
- Select the desired shape from the Shapes menu. The following shapes are available:
- From the Analyze menu we can obtain the following information:
- Calculate Bandwith for Excitation [bandw2]
Total rotation (in degree): 90
DeltaOmega*DeltaT factor using transverse magn.: 2.122- Calculate Bandwith for Inversion [bandw2i]
Total rotation (in degree): 180
DeltaOmega*DeltaT factor using -Mz: 0.734- Calculate Bandwith for Refocusing -My [bandw2ry]
Define Total rotation (in degree): 180
DeltaOmega*DeltaT factor using -My: 0.882- Calculate gammaB1max on Resonance [calcb1m]
Length of pulse (in us): 10000
Total rotation (in degree): 90
Maximum gammaB1 (on resonance): 60.7419
Corresponding 90 degree square pulse: 4115.78- Calculate gammaB1max off Resonance [calcb1mo]
Length of pulse (in us): 10000
Total rotation (in degree): 90
Offset (in Hz): 3000
Maximum gammaB1 (off resonance): 85703.5
Corresponding 90 degree square pulse: 2.91703- Calculate average Power Level [calcpav]
Amplitude relative to a square pulse of 100%: 0.411578
Corresponding difference in dB: 7.71907
Power relative to a square pulse of 100%: 0.169396- Integrate Shape and compare to Square [integr]
Integral ratio compared to a square pulse of 100%: 0.411578
Corresponding difference in dB: -7.71907- Integrate Shape compared to Hard Pulse [integr2]
Length of pulse (in us): 10000
Length of hard pulse (in us): 10
Integral ratio compared to a square pulse of 100%: 0.411578
Change of power level compared to level of hard pulse in dB: 56.726