From data in frequency domain to time domain (IFFT)
2 views (last 30 days)
Show older comments
Hello everyone. I have a big problem. I really need your help.
My main purpose of work is to find out impedance(t) from impedance(f). When the variable frequency source(1 Hz ~ 1MHz) is injected, the impedance(f) is calculated from measured voltage and current. The x-axis of impedance(f) is a frequency(1 Hz ~ 1MHz) and y-axis is an amplitude(ohm).
In this case, I would like to ifft the impedance(f). I have a question. The impedance(f) is consisting of only positive frequency. Can i obtain the original impedance(t) from the positive frequency?
I think it is impossible. so I made the data in the negative frequency(symmetry). but the result was not good.
Only if I have data in positive frequency, how can i get the data in time domain with ifft?
0 Comments
Answers (0)
See Also
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!