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Re: [Discuss-gnuradio] /gnuradio-examples/python/digital/transmit_path.p
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From: |
Johnathan Corgan |
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Subject: |
Re: [Discuss-gnuradio] /gnuradio-examples/python/digital/transmit_path.py and bitrate Question? |
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Date: |
Thu, 19 Mar 2009 09:27:03 -0700 |
2009/3/19 w w <address@hidden>:
> I've been trying to analyse the transmit_path.py script and stumped with the
> bitrate value. I see bitrate being brought in from the options and also
> derived from pick_bitrate but I don't see where somthing is being done with
> it.
It is assigned in transmit_path.py, line 119.
It is used in tunnel.py, line 255.
The bitrate is a derived variable, mostly for display to the user,
though tunnel.py warns if the TX and RX sides don't match.
The modulator only needs to know the samples per symbol to use; the
transmitted bit rate is then additionally determined by the USRP
interpolation and DAC rate.
Johnathan