Hi everyone,
I am just working at a project, which obtains accelerometers signal via RS232 to frequency analyzing(STFT). But now I have a problem, that is the digital signal is with unequal samples time interval. The samples time interval is change all the time, from 15ms to 150ms, the reason is the unfixed interval of accelerometers reading, and some data is missed through RS232 communication.
My question is how can I deal with these continuous samples for frequency- time domain analysis. Can I convert the digit signal to analog signals firstly, or linear interpolation for signal ?
Thanks for all!
Ted
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