how to calculate second moment from fid data

0	I want to get second moment from fid data. Does anyone know how to do it or is there any free computer program solving such problem? thanks a lot! fsecond-momen-fid asked Jan 03 '13 at 03:38 Minghui Zhang 3

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Generally if you fit the rigid signal (corresponding to the rapid decay) with an Abragam function, i.e. exp(-0.5(at)^2)sin(bt)/(bt), then the second moment is calculated as M2=a^2+1/3*b^2

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answered Jan 07 '13 at 16:08

Roja
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Thank you very much for your answering! - Minghui Zhang (Jan 08 '13 at 06:49)

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Asked: Jan 03 '13 at 03:38

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Last updated: Jan 08 '13 at 06:49

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