On Thu, May 28, 2009 at 12:51:31AM +0200, Martin DvH wrote:
> On Wed, 2009-05-27 at 08:12 -0700, Johnathan Corgan wrote:
> > On Wed, May 27, 2009 at 7:35 AM, Martin DvH
> > wrote:
> >
> > >> * Elimination of the single-threaded flowgraph scheduler. The
> > >> "thread-per-block" scheduler is alre
John Ackermann N8UR wrote:
Are there any significant hardware differences between the beta and
production units? If so, can the betas be reworked to production status?
Most of the small list of changes were in layout and are not user
visible. The only change of note is that two of the clo
On Thu, May 28, 2009 at 12:42 AM, Josh Blum wrote:
>
>> Apologies for the wrong information. I don't mean to side track the
>> original query, but I have a couple of questions.
>>
>> I found this in the FAQ.
>>
>> "Regarding the bandwidth, we can sustain 32MB/sec across the USB. All
>> samples sen
We are pleased to announce that the USRP2 is now for sale!
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If you require a quote, they are available from that page as well. If
you require anything else in your quote, please contact us at
sales at
Yc Park wrote:
Hello,
Also, I found that the observed spectrum of my usrp2 is very choppy with
the interpolation lower than 10, which means my baseband sampling rate
can be only 10Msps. So, is this the limitation with usrp2? or are there
any ways to lower this interpolation rate down to aroun
On Thu, May 28, 2009 at 08:53:17AM +0200, Yc Park wrote:
> Hello,
>
> I asked this question before, but no one answered yet -- maybe it was
> not recognized out of several questions.
> Anyway, I have two related questions with usrp2.
> (gnuradio 3.2svn + dbrx2400 db'd)
>
>
> I see the minimum de
hi,
I am presently trying to link 'usrp_spectrum_sense.py' and
'benchmark_ofdm_tx.py' into a single python code.
I have achieved this by going for a multiple flow graph
implementation. But I am not getting how to pass parameters from the
prompt to each of these flow graphs.
When I execute this new
Hello all,
I am new to GNU radio software. I have used step by step instructions
given in:
http://www.tools4sdr.com/articles/Tutorial+to+install+GNU+Radio+with+cygwin+
and+Windows_2688210
to install gnu radio with cygwin.
1) What basic check can I do to ensure that gnu radio has b
Serenella Ferri De Collibus wrote:
Hi all,
I'm trying to use OSSIE.0.7.1 with new release of gnuradio (3.2).
The building of gnuradio it's ok, but when I attempt to build OSSIE, the
make of USRP component returns this error:
.
src/tvrx.h:38: error: conflicting return type specified for ‘v
Hi,
I have another question regarding this. I sunk the output from the Costas
onto FFTsink and got this.
http://img172.imageshack.us/img172/9956/costasfft.jpg
Are the peaks that appear on this the lower and upper sidebands of the data
signal? I am transmitting using benchmark_tx.py (dbpsk).
Thank
Hi,
I have another question regarding this. I sunk the output from the Costas
onto FFTsink and got this.
http://img172.imageshack.us/img172/9956/costasfft.jpg
Are the peaks that appear on this the lower and upper sidebands of the data
signal?
Thanks,
Ali
On Thu, May 28, 2009 at 5:38 AM, Mir M. A
Thanks a lot Tom for your help. I now understand how Costas loop operates.
After all the tests that I did following your suggestions I was able to find
the answer for a lot of my unanswered questions.
Thanks again,
Ali
On Wed, May 27, 2009 at 10:42 AM, Tom Lutz wrote:
> > I am using Flex-2400 b
Is any method to obtain the RSSI value for USRP2?
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Hello,
I asked this question before, but no one answered yet -- maybe it was
not recognized out of several questions.
Anyway, I have two related questions with usrp2.
(gnuradio 3.2svn + dbrx2400 db'd)
I see the minimum decimation rate of usrp2 is still 4 with GRC, and
wonder if there is any way
Hi all,
I'm trying to use OSSIE.0.7.1 with new release of gnuradio (3.2).
The building of gnuradio it's ok, but when I attempt to build OSSIE, the
make of USRP component returns this error:
if g++ -DPACKAGE_NAME=\"USRP\" -DPACKAGE_TARNAME=\"usrp\"
-DPACKAGE_VERSION=\"0.6.2\" -DPACKAGE_STRING=\"USR
Apologies for the wrong information. I don't mean to side track the
original query, but I have a couple of questions.
I found this in the FAQ.
"Regarding the bandwidth, we can sustain 32MB/sec across the USB. All
samples sent over the USB interface are in 16-bit signed integers in
IQ format, i
On Wed, May 27, 2009 at 11:35 PM, Karthik wrote:
> On Wed, May 27, 2009 at 9:18 PM, Firas Abbas wrote:
>>
>> Hi,
>>
>>> On Wed, 5/27/09, Karthik wrote:
>>>
>>> If you use usrp_c() source, then the real part of the complex values are
>>> the I values and the imaginary parts are Q values. They ar
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