> I have an image acquired with a pulnix digital camrecorder and this image > is in fact an array of striates. I draw a line on my striation image and i > take the line profile. Now I want to find the frequency of the striation, > i tried with "Extract Single Tone Information.vi" and it works but only > for the most important tone of my signal... I need to detect all the > frequencies of my signal. not only the most important... How can I do that > ??? >
The other VIs on that row may be appropriate, or you could use the Extract Single Tone and set the export signals to give you the residual after the strongest tone is removed. You could then loop through and extract several more until the amplitude drops below your noise floor. Greg McKaskle
