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Normalization

 

For the comparison of spectra normalization is often useful to bring their peaks to comparable heights.

To perform a normalization for a specific peak, you have to set markers with the hotkey o, one at the right side of the peak and one at the left border, which define the normalization region. You can set normalization background markers by using the command:

tv > normalization marker enter {cursor | value | offset}

Spectra are normalized in TV by using the command:

tv > spectrum norm

To identify normalized spectra, an asterisk (*) will be applied to the spectrum status (see section 6.8.18 p. [*]).

An example of recalibrated and normalized spectra can be seen in figure 4.3 on page [*], where the region of the right peak was marked before normalization.


  
Figure 4.3: An example for recalibrated and normalized spectra. In the lower pane the original data is shown.
\begin{figure}
 \begin{center}
 \leavevmode
 
\epsffile {pictures/norm-demo.ps}
 \end{center}\end{figure}

A complete list of all normalization commands can be found in section 6.6 on page [*].



Andreas Fitzler
7/13/2000