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matei jordache
2026-04-01 23:07:05 -07:00
parent 878c7b415c
commit d4cecf0372
79 changed files with 139 additions and 127 deletions
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docs/nodes/PSDF.md
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@@ -21,7 +21,7 @@ Compute the two-dimensional power spectral density function with Gwyddion-style
| windowing | dropdown | hann | Window function applied before FFT to reduce spectral leakage: hann, hamming, blackman, or none |
| level | dropdown | mean | Pre-processing: subtract mean, subtract plane, or none |
## Limitations
## Notes
- Output is in the frequency domain; physical units on axes are spatial frequency (1/m) and PSDF units are z_unit²·m².
- Window RMS compensation is applied to normalize the spectral density consistently across window choices.