I am using fast fourier transforms to convert raw acceleration to displacement. I am able to get extremely close to expected results; however, I am having issues at the beginning of the dataset. I believe there may be an issue with the filter I am using.
Here is the code for the butterworth...
I am using fast fourier transforms to convert raw acceleration to displacement. I am able to get extremely close to expected results; however, I am having issues at the beginning of the dataset. I believe there may be an issue with the filter I am using.
Here is the code for the butterworth...
thread384-296403
The aforementioned thread presents a code that deals with a normal sin wave quite well; however, I introduced noise into the code by adding a 2.5hz sin wave, 5hz sin wave and 25hz sin wave, which produced some unexpected results. See the attached graph for further details, the...