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Re: [Discuss-gnuradio] Moon Bounce Experiment
From: |
Joseph Craig |
Subject: |
Re: [Discuss-gnuradio] Moon Bounce Experiment |
Date: |
Wed, 20 Oct 2010 23:06:25 -0600 |
On Oct 20, 2010, at 6:58 PM, Marcus D. Leech wrote:
> On 10/20/2010 08:49 PM, Joseph Craig wrote:
>> Hi Marcus,
>>
>> Thanks for the quick reply...
>>
>>
>> On Oct 20, 2010, at 5:51 PM, Marcus D. Leech wrote:
>>
>>
>>> On 10/20/2010 07:13 PM, Joseph Craig wrote:
>>>
>>>> I have managed to install gnuradio and run usrp_fft.py with success!
>>>>
>>>> Now for the questions...
>>>>
>>>> 1) I'm always seeing... "Exception RuntimeError: 'maximum recursion
>>>> depth exceeded while calling a Python object' in <type
>>>> 'exception.AttributeError'> ignored ". What does this mean, and how to
>>>> fix it?
>>>>
>>>>
>>> In what application are you seeing this error?
>>>
>> python
>>
>>
> I should perhaps have clarified. Which application, written, obviously,
> in Python, was producing this error for you?
>
>>>
>>>> 2) How do I save the I/Q stream to disk? I'm interested in the maximum
>>>> bit resolution for the best dynamic range. I just want the raw time
>>>> samples.
>>>>
>>>>
>>> You should investigate gnuradio-companion (GRC), which allows you to put
>>> a signal processing
>>> graph together graphically--like LEGO building blocks. You can very
>>> easily put together a
>>> "baseband recorder" application in about 5 minutes this way.
>>>
>> 5 minutes is pretty enticing seeing how this has to be working friday. How
>> long does it take to setup GRC? Is there a guide?
>>
>>
> If built/installed Gnu Radio, you already have GRC/GnuRadioCompanion:
>
> gnuradio-companion
>
> At the prompt in a terminal window should bring up a GRC instance.
>
nope, command not found. I thought it was because I installed gnuradio with
synaptic, so I installed gnuradio-companion via apt-get, still nothing. where
should the program files appear?
>
> All you should need is a usrp-source block, and a file-sink block.
sounds like simulink. should be easy.
Joe
>
> The usrp-source block takes parameters like decimation,
> center-frequency, gain.
>
>
>
> --
> Marcus Leech
> Principal Investigator
> Shirleys Bay Radio Astronomy Consortium
> http://www.sbrac.org
>
>
- [Discuss-gnuradio] Moon Bounce Experiment, Joseph Craig, 2010/10/20
- Re: [Discuss-gnuradio] Moon Bounce Experiment, Joseph Craig, 2010/10/20
- Re: [Discuss-gnuradio] Moon Bounce Experiment, Eric Blossom, 2010/10/20
- Re: [Discuss-gnuradio] Moon Bounce Experiment, Joseph Craig, 2010/10/21
- Re: [Discuss-gnuradio] Moon Bounce Experiment, Marcus D. Leech, 2010/10/21
- Re: [Discuss-gnuradio] Moon Bounce Experiment, Joseph Craig, 2010/10/22
- Re: [Discuss-gnuradio] Moon Bounce Experiment, Marcus D. Leech, 2010/10/22
- Re: [Discuss-gnuradio] Moon Bounce Experiment, Joseph Craig, 2010/10/22
- Re: [Discuss-gnuradio] Moon Bounce Experiment, Josh Blum, 2010/10/22
- Re: [Discuss-gnuradio] Moon Bounce Experiment, Joseph Craig, 2010/10/22
- Re: [Discuss-gnuradio] Moon Bounce Experiment, Josh Blum, 2010/10/22
- Re: [Discuss-gnuradio] Moon Bounce Experiment, Joseph Craig, 2010/10/22