diff options
Diffstat (limited to 'klippy/extras/shaper_calibrate.py')
| -rw-r--r-- | klippy/extras/shaper_calibrate.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/klippy/extras/shaper_calibrate.py b/klippy/extras/shaper_calibrate.py index 6891fefb..f497171f 100644 --- a/klippy/extras/shaper_calibrate.py +++ b/klippy/extras/shaper_calibrate.py @@ -48,7 +48,9 @@ class CalibrationData: # Avoid division by zero errors psd /= self.freq_bins + .1 # Remove low-frequency noise - psd[self.freq_bins < MIN_FREQ] = 0. + low_freqs = self.freq_bins < 2. * MIN_FREQ + psd[low_freqs] *= self.numpy.exp( + -(2. * MIN_FREQ / (self.freq_bins[low_freqs] + .1))**2 + 1.) def get_psd(self, axis='all'): return self._psd_map[axis] |