Hi Matlab Community,
I'm looking for a criterion (best case available in Matlab) to quantify stability of oscillations. I have three images to explain a little more what I mean and are cases which I'm working with.
- A perfect sine wave should give me a perfect score ( say on a scale of 0 to 1 this should give me a 1)
- A sine wave that changes its frequency should give an intermediate score (the lower the more changes in frequency and the shorter behaviour of the same frequency is)
- random/noise signal should give me a very low score (say close to 0)
My source is biological, so the signal will be never be as nice as perfect sine waves.
Any ideas for possible criteria/computations area appreciated!