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Operation
11
3.7 Spectrum Analysis
The Analysis menu offers several ways to evaluate and modify spectra:
Adjust Offset
This adds a constant value to all data points of the selected spectrum. The software
suggests a estimated value for compensating an offset, but you may also choose any
other value.
Normalize
This multiplies all data points of the selected spectrum by a constant factor. The default
factor is chosen for the maximum value to be scaled to 100.
Differentiate
This differentiates the spectrum with respect to the wavelength.
Spectral Averaging
This substitutes each data point by the average of the surrounding data points. You can
choose how many data points to include in the averaging. This is also known as ‘‘Boxcar
Averaging’’.
Arithmetic Operations
This creates a new spectrum by adding, subtracting, multiplying or dividing two spectra.
Adjust Wavelength
This allows to assigns a new wavelength scale to all spectra in the list based on the
parameters for the fourth-order polynomial function used for wavelength calibration. It
may be useful if you took spectra with an incorrect wavelength calibration.
Duplicate
This creates a copy of the selected spectrum and may be useful if you would like to
modify a spectrum, but also keep the original one.
Peak Width Diagram
This opens a window displaying the widths of the detected peaks (Full width at half
maximum).