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Re: [Discuss-gnuradio] DPSK Demodulation Output

From: Johnathan Corgan
Subject: Re: [Discuss-gnuradio] DPSK Demodulation Output
Date: Fri, 20 Feb 2009 07:09:32 -0800

On Wed, 2009-02-18 at 09:59 -0800, Charles Judah wrote:

> My question is, if I were to open and read a binary file of only
> alternating 1s and 0s into the DPSK modulator then immediately feed
> that back into the demodulator, what format is the demodulator putting
> byte data back out? Is it padding the information with 0s? Any insight
> into "how" the demodulation block submits the byte data to the
> subsequent connecting block would be greatly appreciated. 

The demodulator blocks output demodulated bits in what we call
"unpacked" form, which sends demodulated symbols in the LSBs of 1 byte
items.  In the case of dbpsk, these 1 byte items will have only the LSB
toggled to represent a decoded 1 or 0.


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