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cest_eval [2016/02/14 14:35]
mzaiss
cest_eval [2016/02/14 15:35] (current)
mzaiss
Line 34: Line 34:
 further we need the frequency offset axis, or the omega-axis (w-axis) of the Z-spectrum. It is saved in the parameter struct P under the sequence parameters P.SEQ further we need the frequency offset axis, or the omega-axis (w-axis) of the Z-spectrum. It is saved in the parameter struct P under the sequence parameters P.SEQ
   * **P.SEQ.w**   * **P.SEQ.w**
- 
-==== Find minumum of Z-spectra: dB0 map ==== 
  
 To calculate the internal B0 map the function MINFIND_SPLINE_3D is called To calculate the internal B0 map the function MINFIND_SPLINE_3D is called
- +after that the **B0-correction** and **normalization** can be performed 
-<code matlab>​ +and the final stack is  ​ 
-[dB0_stack_int]=MINFIND_SPLINE_3D(Mz_stack,​Segment,​P);​ +  * **Z_corrExt**  ​- the B0-corrected and normalized stack of Z-spectra
-</​code>​ +
-it requires the interpolation grid for the w-axis interpolation which is given by +
-  * **P.EVAL.w_fit=(-10:​0.01:​10)';​** +
- +
- +
-==== Create B0-corrected and normalized Z-spectra ==== +
- +
-Now the **B0-correction** and **normalization** can be performed: +
-  * [Mz_CORR ] = **B0_CORRECTION**(Mz_stack,​dB0_stack_int,​P,​Segment);​ +
-  * [Z] = **NORM_ZSTACK**(Mz_CORR,​M0_stack,​P,​Segment);​ +
- +
  
  
cest_eval.txt · Last modified: 2016/02/14 15:35 by mzaiss