|
Message
From: Jerzy G<furia1024@w...>
Date: Thu Jan 22 10:13:35 CET 2004
Subject: Odp: [oc] FFT for COFDM systems
Hello> I'm working on a small parallel FFT core (either 8 or 16 point
FFT).
> The idea is that this core will be surrounded by a lot of
memory blocks
> in an FPGA and data will be routed into and out of it by some
other
> logic. This will be a building block for a 8K FFT or
whatever. Anyway,
> is COFDM transmition systems there is an I and a Q stream of
symbols. I
> know that the I and Q are refered to real and imaginary, but
do I need a
> complex FFT or two real FFT's?
Complex FFT of course,
if s(t) = q(t)+i(t) then S(w) != Q(w) + I(w);
I think so.
Jerzy Gbur
--
"Everything is simple until it'll be comprehensible" - furia
----------------------------------------------------
Załóż konto pocztowe i odbierz nagrodę!
http://klik.wp.pl/?adr=http%3A%2F%2Fabc.wp.pl%2Fopenoffice&sid=101
|
Browse
