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Re: [Discuss-gnuradio] question about Simple Transmitter
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From: |
Eric Blossom |
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Subject: |
Re: [Discuss-gnuradio] question about Simple Transmitter |
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Date: |
Sat, 14 Jun 2008 10:28:50 -0700 |
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User-agent: |
Mutt/1.5.17 (2007-11-01) |
On Fri, Jun 13, 2008 at 07:50:45AM -0700, mehdimolu wrote:
>
> hi,
>
> I wrote the code below to transmit a file. although i don't receive any
> error but I don't see any thing on the spectrum analyzer around 2.4G. it
> looks that it doesn't transmit any thing. can some one tell me what is the
> problem
The output of the dbpsk modulator is on the unit circle.
You need to mulitiple the output by a constant to get it into a
reasonable range for transmission. Try multiplying by 8192 using
gr.multiply_const_cc.
Eric