Gaussian Filter
Use the Gaussian option to apply a Fast-Fourier Transform Gaussian filter to a channel.
The filter option is available with the following extensions and menus:
- Geophysics: 1D FFT > 1D Filtering
- Gravity and Terrain Correction: Moving Platform Gravity > Apply Single FFT Filter
Gaussian filter options
Standard deviation of function (in ground units). Script Parameter: FFTGAUSS.STDDEV |
|
Low or High Pass Filter |
Select "Low" or "High" Pass filter (Default is Low) Script Parameter: FFTGAUSS.PASS |
Application Notes
The Gaussian filter is another smooth filter that is often used for low-pass or high-pass applications.
Gaussian Filter
Parameters:
k0 Standard deviation of the Gaussian function in cycles/ground_unit (similar to a cutoff except that the function amplitude at this point is only 0.39).
0/1 Specify 0 or 1 for residual or regional, respectively.
See Also:
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