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I am wondering how well this will work for selecting a square wave. I'll try to do a demo in python. | I am wondering how well this will work for selecting a square wave. I'll try to do a demo in python. | ||
== Gay bob's idea == | |||
Just use a first difference, maybe taking it a few samples back, and see when that becomes big enough, then record that as a transition, and calculate the average difference in time between them over the period. | |||
Latest revision as of 20:10, 1 August 2026
https://en.wikipedia.org/wiki/Goertzel_algorithm
I am wondering how well this will work for selecting a square wave. I'll try to do a demo in python.
Gay bob's idea[edit]
Just use a first difference, maybe taking it a few samples back, and see when that becomes big enough, then record that as a transition, and calculate the average difference in time between them over the period.