RF inhomogeneity

[Rongchun Zhang]

Hi, 

I am trying to test the performance of certain pulse sequence with different RF inhomogeneity. But it seems that SPINEVOLUTION could not contain the RF inhomogeneity factor. Am I right? I kind of did not know how to do it.

Thanks!

Rongchun

[Rongchun Zhang]

Should I just vary the RF power with a constant 90 degree pulse length?

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Best regards,

Rongchun

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张荣纯 Rongchun Zhang
Room 4002, Chemistry Building, 

Biophysics and Department of Chemistry,

University of Michigan, Ann Arbor, MI, US.

Mobile: (01)734-393-9636

Email: zrc...@gmail.com
           rozh...@umich.edu

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[Pieter Smith]

Dear Rongchun Zhang,

The way I've done this in the past is by using an average-over parameter to take the average of a distribution of RF powers (see "ave_par[Nd]" in the manual). You can use "ave_wht" to modify the distribution as you wish (if you want a Gaussian distribution of RF powers, for instance).

Best,

Pieter

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[Rongchun Zhang]

That's quite a good idea.

Thanks very much, Peter.