Hi,
There is a bug in gr_vco_f. It is not working.
http://www.nabble.com/file/p24385994/top_block.py top_block.py is a test
program implemented using GRC.
Best Regards,
Firas
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You probably have an error in the flow graph: are any blocks or
connections in red? The error message will be in the parameters dialog.
Also, try running some of the examples, i dont know where they get
installed to, but you can download the examples from here as well:
http://gnuradio.org/trac
I have installed GRC on Ubuntu 9.04 with GNuradio 3.2.
I make a simple flow graph but the problem is that the tab on pannel (
execute the flow graph is still disable). Is there any problem in
installation?
All options in Build are also disable.
Thanks
--
Bari
Hi,
--- On Wed, 7/8/09, Shabbir Ahmed wrote:
>
> For Windows Vista:
>
> Make sure the User Account Control is turned OFF. That blocks the permission
> to the folders, even though you have the ownership.
>
> Wanted to share this with the group.
>
>
> Thank you loads.
>
> Regards,
>
> Shab
On Tue, Jul 7, 2009 at 11:20 PM, Abdalla Sokar wrote:
>
>
>
> thanx very much this way really worx and wonderfully too
>
> --- On Wed, 7/8/09, davek wrote:
>
> From: davek
> Subject: Re: [Discuss-gnuradio] Audio Sample rate problem
> To: "Abdalla Sokar"
> Date: Wednesday, July 8, 2009, 5:14 AM
>
Dear All:
During trying to install GNURADIO on a windows machine I am sure that every
one runs into the following link:
http://gnuradio.org/trac/wiki/WindowsTips
I was having problems with the permissions on my Cygwin installation. The
document above mentions about the ownership of two directori
my audio sampling rate is 48000 not 32000 so all the the gnu examples that
output an audio dont work and due to this 48000 i cant configure the decimation
and interpolation to be even integers as required
so is there away to change sampling rate of my audio card to 32000
i am using Dell Inspiro
On Tue, Jul 07, 2009 at 01:28:01PM -0400, devin kelly wrote:
> What is the situation with VRT and UDP?
We've got UDP and the IF-Data working on an experimental platform, but
it hasn't been ported to the USRP2 yet. When everything is fully
wrung out on the experimental platform, we'll back-port it
This sort of thing is heavily dependent upon the transmission environment. I
wouldn't think it could be generalized.
Jordan
On Mon, Jul 6, 2009 at 11:44 AM, adib_sairi wrote:
>
>
> Jordan J Riggs wrote:
> >
> > What do you mean by "signal propagation study"? Can you be more specific?
> >
> > Jo
What is the situation with VRT and UDP? Has what's going into the VRT
context packets been finalized? If so, where should I look for this
information? I've been looking in Eric Blossom's branch, it looks like he
is doing most of the VRT development, is this right?
Who is doing the UDP developme
Hi,
I am trying to use benchmark_ofdm_tx.py and benchmark_ofdm_rx.py to test the
OFDM communication between two usrp nodes.
While the transmitter is sending data, I use a sprctrum analyzer to observe
the spectrum, and find the signal bandwidth far beyond my calculation, which
is 330kHz around wi
--- On Tue, 7/7/09, Johnathan Corgan wrote:
>
> GNU Radio has gr.scrambler() and gr.descrambler() blocks to
> do this.
>
> In the example digital packet radio application, we instead use a
> whitener that has a pre-generated sequence of bits that we XOR the
> payload with.
>
> Johnathan
>
Aha
On Tue, Jul 7, 2009 at 08:14, Firas A. wrote:
>...some digital modulations (for example GMSK)
> reception can be improved by using a scrambling engine which is something I
> used before many years ago to improve data reception circuitry performance.
Pseudo-randomizing bit sequences to prevent lon
Hi,
I never used Gnuradio packets transmission blocks and even don't know how
the digital benchmark_?X.py work. But, today when I was explaining GNURadio
for some friends, I noticed that some digital modulations (for example GMSK)
reception can be improved by using a scrambling engine which is so
Hello everyone,
I have posted a similar question before but didnt get too much attention
thats why I am posting this question with hopes that I will get some
response this time because I have tried to make the question simpler.
In one line the problem is I am so far unable to configure 2 RX chan
On Sat, 2009-07-04 at 14:15 +0300, Tasos Kyrillidis wrote:
> Hello everyone,
>
> I am a postgraduate student at Technical University of Crete, Chania
> and i am currently working on a project with USRPs. Part of our
> project is to communicate with a relay node. But this relay node is a
> little b
Katy Qian wrote:
Hi,
For the majority of my tests (ex. below), with benchmark_ofdm_*, the
receiver terminates prematurely with:
...
ok: True pktno: 7501 n_rcvd: 4537n_right: 4263
ok: True pktno: 7502 n_rcvd: 4538n_right: 4264
ok: True pktno: 7503 n_rcv
> I haven't receive my USRP yet so i am trying to make some simple, USRP
> independenent applications.
>
> I want to implment FSK modulator by transfering a signal between two laptops
> using the sound card ,the problem is i get syntax error when using the
You'd probably be better off using the
On Fri, Jul 3, 2009 at 1:05 PM, John Gilmore wrote:
> > gr-audio-oss and gr-audio-jack. The sound module being used is
> > snd_hda_intel.
>
> In my experience, there seem to be endless permutations of problems
> with snd_hda_intel ("HD Audio"). Even in newer Linux releases like
> Ubuntu 9.04. I
any help?
2009/7/2 Yu-Hua Yang
>
>
> -- Forwarded message --
> From: Yu-Hua Yang
> Date: 2009/7/2
> Subject: Re: [Discuss-gnuradio] CUDA-Enabled GNURadio gr_benchmark10
> possible improvements
> To: Martin DvH
> Cc: discuss-gnuradio
>
>
> Thanks Martin, for your generous effor
Hi,
I found this document written by Matt about USRP2:
http://bwrc.eecs.berkeley.edu/Research/Cognitive/usrp-family-09-open.pdf
Best Regards,
Firas
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