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Stretch x-Axis

The Stretch x-Axis command performs a correction for frequency scale shifts and stretches in IR-spectra using spectral interpolation with a convolution filter.

Stretch x-Axis is performed as follows:

Stretch x-Axis menu command

To stretch the x-axis using the menu command, please follow the instructions below:

  1. Activate the 2D data object you like to correct.

  2. From the Mathematics menu, select the Stretch x-Axis command.

  3. In the Mathematics tab, enter the desired parameters for x-Shift, stretch correction and frequency.

  4. Click the Calculate button.

Stretch x-Axis keyboard shortcut