Sampling frequency in the `_zoomFourierTransform2D` method is calculated as ``` sample_frequency_x = len(x) / x_range ``` This should be ``` sample_frequency_x = (len(x)-1) / x_range ``` and similarly for the y-axis Otherwise introduces a phase tilt.
Sampling frequency in the
_zoomFourierTransform2Dmethod is calculated asThis should be
and similarly for the y-axis
Otherwise introduces a phase tilt.