JEOL JSPM-5200 Instructions Manual page 385

Spatial Frequency Band
A coaxial ring masking window is easily defined as a spatial frequency band.
Enter the lower frequency in the From input box and the upper frequency in
the To input box. Select Mask or Window in the Window/Mask frame. Then,
click on the Add button in the FFT Window.
[Window]:
[Mask]:
TMPM5200-2
The unit is 1/nm.
The frequency band between the specified lower and upper
frequencies will be erased from the window.
A masking window is applied to the frequency band between the
specified lower and upper frequencies.
６ ANALYSIS OPERATION
Lower frequency
Masking window is applied.
Upper frequency
Upper Frequency
Lower Frequency
Frequency band between
the specified lower and
upper frequencies is
erased from the window.
Upper Frequency
Lower Frequency
Masking window is applied
to this frequency band.
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