I started a new project involving GNURadio and USRP.
I'm using
Ubuntu 11.10 and GNU Radio Companion v3.5.1-9-g4beff39a. The hardwares
I've got are: 2 units of USRP1 Rev 4.1 and DBSRX Rev2.1.
I've got 2 questions:
1. These versions of USRP and daughter boards are still compatible with the
versi
Hi,
I'm getting confused with the concept of "Sampling rate" to set the UHD:USRP
Source and other blocks from the gnuradio-companion. If I'm still right, the
sampling rate must be at least the double of the operating frequency. But I can
see some working applications when this Nyquist theory is
Hi,
I've got 2 units of USRP1 and DBSRX dboards. The two USRP are synchronized for
master and slave. the uhd_fft.py is responding correctly.
Now I want to use a signal generator to provide 900 MHz. signal level is -20
dBm. From the gnuradio-companion, I created a flow graph using UHD-USRP Source
> Hello all,
>
> I was thinking Gnuradio might benefit from an online message board
> style forum. It would be easier for beginners not familiar with the
> workings of mailing-lists and would IMHO allow for easier message
> traversal for people to find previously solved problem. Has there been
> an
Hi,
can anyone give me the link where to get the schematic of the WBX daughterboard
rev 3.0 and the schematic of WBX-FE-Simple R5.0.
Many thanks.
Dominique.
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Hi,
I'm designing a beamforming network. I want to know if it is now
possible to align LOs from multiple SBX and usrp boards. It was said
from Ettus Research website that the re-synchronization feature in UHD
using SBX boards will be released in 2012. Could you please confirm if
it is implemen
Hi,
I'm using the Mutliply Const block in my flow graph. IO type: complex and
Constant: x+yj. I used 2 sliders to adjust x and y values. But only the slider
for x values works. The slider for y values does not work and get the system to
crash. Can anyone help me understand this?
Regards.
___
Hi,
I've tried to install gnuradio in Ubuntu 12.04. It is not working. it's saying
"you do not appear to have rtl-sdr directory". I did my best to solve it, but I
failed.
I went through the "build-gnuradio" script which is currently on gnuradio
website. The installation sequence tells that the
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Today's Topics:
1. build-gnuradio (current and old scripts) (guelord ingala)
2
I have ubuntu 12.04 and GNURadio 3.6.2.? I was trying to run some older
scripts which uses the USRP.? These scripts were made with GNURadio
Companion about 3 years ago, and then I added some extra menu options by
manually editing the python script made by GRC.
Unfortunately
when I run the scri
>when i am trying to transfer an audio signal from one usrp to another, i
>can't able to get the signal exactly. can anyone please help me in getting
>the original signal without noise.
Hi Lingeswar,
Make sure the transmitted signal level is good enough. Also try to adjust
(increase) the channel
Hi,
Can you please assist me to change the usrp2 IP address. I went through the
application note.
Method 1 responds that I don't have permission.
Method 2 goes well loading the new IP address: 192.168.10.3. But when I checked
with uhd_find_devices, it shows that the IP address has not changed.
From: Martin Braun
To: discuss-gnuradio@gnu.org
Subject: Re: [Discuss-gnuradio] GRC running for 45 minutes only
Message-ID: <541472de.8030...@ettus.com>
Content-Type: text/plain; charset=ISO-8859-1
On 09/13/2014 05:25 PM, Dominique Guelord Ingala wrote:
Hi,
Now my GRC runs for 45-60 m
Hi,
Now my GRC runs for 45-60 minutes only, after that the flowgraph is killed on
its own.
No error message provided.
Anyone can assist?
Thanks
Dominique___
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Hi, I need to allign the LOs for SBX boards. I read the application notes on
UHD-Synchronization.
http://files.ettus.com/uhd_docs/manual/html/sync.html#align-los-in-the-front-end-sbx-wbx-n-series
I've been working on this for a while, but I'm still confused a bit. Please
what is the directory
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