SystemDiagnostics

Last-modified: 2024-04-28 (Sun) 17:30:34 (13m)

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Schedule

Once every 2 weeks

Setup

RF Coil: Nova 16ch head shape receivers + volume coil transmitter
Phantom: 18cm spherical phantom (new 2015.09.01~)
Position: spherical phantom center should be adjusted to the center of gradient. The headshape coil position should be marked and located at same place.
Use same pad between the phantom and headshape coil to have same hight.
User account: vnmr1

Menu (~45 min)

spuls_mx (7 min)

Shimming (FWHM)
RF stability test (60 degree pulse)

gemsir_BSI_V3_ptx (3 min)

3 orthogonal plain scan with the volume coil (SNR)
3 orthogonal plain scan with the array coil (SNR)
Inversion recovery test

mprage_ns_ptx (5 min)

Array coil receive
128x128x128 FOV:20x20x20cm

epi_riken_ptx (5 min)

Oblique slice 5-minite run (Signal stability-RF,Gradient,Shim,etc)
Array coil receive

spuls_mx (5 min x 2)

Check the CPC's front panel values.(tpwr=56,tr=0.5s,pw=4ms)
Ch.B,Ch.A

Analysis

Prepare a script to make the diagnostic summary
Make graphical results and upload to our web
>> sysdiag [spuls_data] [mprage_data] [epi_data] (-)
  • spuls data: Check and plot the RF stability
  • mprage data: Check the SN of merged data and data from each coil
  • epi data: Check the frequency data and standard deviation

※If you don't want to record the data to log file, put [-] at the end.