If I recall correctly, this book gives a very nice description of the biplex fft algorithm: https://www.amazon.com/Multirate-Digital-Signal-Processing-Crochiere/dp/0136051626
I agree with Aaron's memory of the output ordering. Glenn On Feb 21, 2018 18:04, "Jack Hickish" <jackhick...@gmail.com> wrote: > Howdy, > > Partly motivated by a search for RAM savings, and partly for fun, I'm > looking through the innards of the fft_biplex_real_4x block. Can someone > tell me, using short words and/or pictures, what the the relationship > between the inputs (pol1, pol2) and the outputs (out1, out2) on the > biplex_core block is. > > I'm in the midst of reverse engineering the block by simulation / staring > at the unscrambler / reading about fft biplex implementations, but surely > someone must(!) know what this block actually does (or claims to do)? > > Yours, optimistically, > > Jack > > -- > You received this message because you are subscribed to the Google Groups " > casper@lists.berkeley.edu" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to casper+unsubscr...@lists.berkeley.edu. > To post to this group, send email to casper@lists.berkeley.edu. > -- You received this message because you are subscribed to the Google Groups "casper@lists.berkeley.edu" group. To unsubscribe from this group and stop receiving emails from it, send an email to casper+unsubscr...@lists.berkeley.edu. To post to this group, send email to casper@lists.berkeley.edu.
