amiran2001
Member level 3
IIR filters are better for dsp or FIR filters?
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
lmjandy said:who can tell me, why we deed to design FIR or IIR?
why not FFT the signal first, and then remove the signal out the frequency band, then IFFT the signal, this process complete the signal filter, it is also fast and available?
why not??????????
noviceca said:lmjandy said:who can tell me, why we deed to design FIR or IIR?
why not FFT the signal first, and then remove the signal out the frequency band, then IFFT the signal, this process complete the signal filter, it is also fast and available?
why not??????????
Did you count the cost of FFT?