Hi Julien,
On Tue, Nov 13, 2012 at 07:31:30PM +, julien.oliv...@lacime.etsmtl.ca wrote:
I took the opportunity to add a copy on the AcademicPapers page of
the wiki:
http://gnuradio.org/redmine/projects/gnuradio/wiki/AcademicPapers
Thanks for adding this! I had a quick peak, and it
On Tue, Nov 13, 2012 at 12:46:20PM -0800, Biniyam Zewede wrote:
I am doing my senior design project on cooperative spectrum sensing. I have
already done the theortical design and matlab simulation for the system. Now,
I
want to implement this on a hardware. I want to use gnu radio and usrp.
hi community,
so many .wav files are not supported by the wav file source in gnuradio.
can anyone please tell me how to make those files supported by wav file
source.
thanks,
Lingeswar
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16/8 Bit Mono/Stereo is supported. Convert to that format.
MB
On Wed, Nov 14, 2012 at 03:25:50PM +0530, Lingeswar Lingeswar wrote:
hi community,
so many .wav files are not supported by the wav file source in gnuradio. can
anyone please tell me how to make those files supported by wav file
Hello all,
I tried to use this grc file to test the bit error rate for the different
digital modulation method, but it doesn't work so well.
When **I set Gray Code(No), Diff Encoding(No), the BER of QAM Mod and
Demod is 0.
In the other case, the BER is not 0.
Do I need any block else to make
On Tue, Nov 13, 2012 at 07:31:30PM +, julien.oliv...@lacime.etsmtl.ca wrote:
Feedback and comments are welcome. If somebody thinks this has a
place in the main repo, let me know what remain to be done.
Out of curiosity, how were you able to determine Eb/N0 in Fig. 3? Could
you use the
ya i checked the datasheet of vert2450 and i tried at 2.45G not at 2.5G. i
just merged two files into one single file. i have two usrp and two
daughter boards as well. and XCVR2450 can support both transmission and
reception at high and low frequency bands. and i know that it cannot
support full
Good point. That's probably what I'll do.
Is there any way to check whether upstream blocks are done? From examining
gr_block_executor, it knows how to do this, so would it make sense to have it
alert downstream blocks?
-Original Message-
From: trond...@trondeau.com
Hello Josh,
The wav file has float values in the -1 to 1 range. In the old GRC script I
had used a constant multiplier of (2**15-1) to get the correct amplitude.
In the newer GRC script I took that out since it was already in the correct
range.
When I check the output of the LFTX with an
As an additional check, I reduced the signal amplitude further in the WAV file
to make sure there is no truncation. I still see the same two underruns at the
start of running the script.
Thanks, - Tom
From: Tom Hendrick sdtom...@yahoo.com
To:
On 14 Nov 2012 12:08, daviko wrote:
Hello
I'm using USRP2
Rev 4.0 with a daughterboard xcvr2450
When I use the commmand
uhd_usrp_probe
I got this message
UHD Warning:
Unable to
set the thread priority. Performance may be negatively
affected.
Please see the general application
Hi Josh and others,
I have some more questions related to DUC/DDC cordic, USRP tuning process:
1) When an eob tag is issued, the DUC phase accumulator on transmit DSP chain
is reset. What about the DDC phase accumulator on receive DSP chain? Does it
reset at well? I am asking because I have
On 11/14/2012 12:15 PM, Zing Yu wrote:
Hi Josh and others,
I have some more questions related to DUC/DDC cordic, USRP tuning
process:
1) When an eob tag is issued, the DUC phase accumulator on transmit
DSP chain is reset. What about the DDC phase accumulator on receive
DSP chain? Does
The DDC chain follows the same basic rules, but rather, it is controlled
by issuing stream commands. So when a receive burst is ended, the CORDIC
phase will also reset back to zero.
Okay. If I understand you correctly, then if I have a GRC flow-graph which
consists of both uhd usrp source and
Hi!
I'm trying to do a block for GRC, using some functions availables in GSL.
First, I put a example within work function including #include
gsl/gsl_sf_bessel.h
***
int
ocupacion_correlator::general_work (int noutput_items,
gr_vector_int ninput_items,
Below link might be helpful to you:
http://www.ruby-forum.com/topic/4407135#new
From: Adriana Arteaga adriarteag...@hotmail.com
To: discuss-gnuradio@gnu.org discuss-gnuradio@gnu.org
Sent: Wednesday, November 14, 2012 3:56 PM
Subject: [Discuss-gnuradio] GNU
Hi All,
I've made some blocks on top of GRExtras, which are running without problem
in my local machine (I build the whole GRExtras + new blocks). However,
when I build the same GRExtras into my USRP E110 and then, I run the top
block, I got the following error:
AttributeError: 'module' object
hi martin, thanks for reply. converting from 32 bit to 16 bit results in
added noise and i cannot able to hear the actual signal. for conversion i
tried sox and audacity. can you tell me how to convert from higher bit to
lower bit conversion without any loss of information..
Date: Wed, 14 Nov
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