Radix 4 FFT

HI, I am not bale to find some good stuff on radix 4 FFT which explains the
algo. Only in P&M book it is explained to some extent but still not as
clear as radix 2. Please tell is there any material on radix 4 fft?

On Jul 27, 4:06 am, "sudarshan_onkar" <sudarshan.on...@gmail.com>
wrote:
> HI, I am not bale to find some good stuff on radix 4 FFT which explains the
> algo. Only in P&M book it is explained to some extent but still not as
> clear as radix 2. Please tell is there any material on radix 4 fft?

If you are having trouble understanding radix 4 FFT, I'd suggest going
back to radix 2 and understanding it fully - why is it called radix 2?
If you understand the "radix 2" part of the radix 2 FFT, you should
have no trouble understanding radix 4. See Oppenheim & Schafer
("Discrete Time Signal Processing")...