5 ms·

You could autoscale the y axis to whatever makes the columns have the most similarity (minimize squared differences).

• simsla 9y ago
  Rather than lsq, you could use autocorrelation within rows to line them up.
  • rakoo 9y ago
    This thing is extremely periodic. You should do an FFT, there should be a peak that's more obvious than the others. That's your frequency and thus your period.