3 ms·
Good point! I believe the author in this particular case was subtracting in the frequency domain, not in the time domain — subtracting spectrographs instead of
by schiffern 12y ago
Good point! I believe the author in this particular case was subtracting in the frequency domain, not in the time domain — subtracting spectrographs instead of waveforms. In that case, a 90° phase-shifted sine wave would indeed cancel out.