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Re: [Discuss-gnuradio] SSB Phasing - working at last.

From: Daniel O'Connor
Subject: Re: [Discuss-gnuradio] SSB Phasing - working at last.
Date: Sun, 27 Feb 2005 01:26:57 +1030
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On Sun, 27 Feb 2005 00:40, Ramakrishnan Muthukrishnan wrote:
> Here, the data to delay and data to hilbert filter are entirely different.
> One is the I path and the other one is the Q path, where in the
> gr.hilbert_fc case, it is the same data input. hilbert_fc may be useful
> when the need to do hilbert trtansform occur early in the chain, but in the
> method I implemented, it occurs later.
> Is there a way, one can reliably do a "delay"? As I understand from Chuck's
> email quoting earlier emails, there is no control over the buffering. I
> implemented the delay using a filter, and it seem to do its job. Is there a
> better way to implement similar algorithms, which occur frequently in
> communication systems?

You'd need to buffer enough samples to get your delay. ie you don't care about 
time as such, just think of it in samples :)

Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
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