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'Frequency'
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Lirong TAN

Thu. 23 Jun.11,
02:44

[Start of:
'fMRI frequency range'
0 Reply]

 
  Category: 
Funktional MRI
 
fMRI frequency range
Hi,

I am trying to decompose the original fMRI time series into several components with different frequency ranges. I use the MODWT wavelet analysis. To obtain the components' frequencies, I need to know the frequency range of the original fMRI signal. Is it 0-1/TR?

Thanks a lot.

Lirong
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I L

Wed. 12 Oct.05,
22:52

[Start of:
'SAR, Magnetic field and exitation frequency'
1 Reply]

 
  Category: 
Basics and Physics
 
SAR, Magnetic field and exitation frequency
Could you give me the relation between the SAR and the exitation frequency for a given magnetic field ?
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Reader Mail

Tue. 3 May.05,
21:21

[Start of:
'Radio frequency exposure'
1 Reply]

 
  Category: 
Basics and Physics
 
Radio frequency exposure
Is there a relationship between SAR and Gauss? A conversion formula? Also, is the EMF exposure reduced by the square or the cube of the distance?
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Alyssa Cash

Wed. 22 Apr.20,
07:45

[Start of:
'ACR QC'
0 Reply]

 
  Category: 
General
 
ACR QC
Can anyone tell me where to find the center frequency and TX GAIN for my daily QC on a Siemens Espree???
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CLAUDIO RIBERTI

Tue. 30 Jan.18,
13:13

[Start of:
'Siemens Skyra 3 T'
0 Reply]

 
  Category: 
Artifacts
 
Siemens Skyra 3 T
In MR cardio exams I perform a sequence called trufi-frequencyScout-multi.

This sequence provides several images (from a same slice) each one with a specific frequency.
After this, we choose the better image and use its frequency value as an entry in the cine subsequent sequences.

The question is: Where do I find the place to insert this Value in the Cine sequence?
I travelled all the cine sequence away and could not find.
Anyone can help?

Thanks a lot.
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