Should you use vi (vim) the following in your .vimrc file should display
tabs as 4 spaces and more importantly insert 4 spaces instead of a tab when
you hit the tab key.
set ts=4
set shiftwidth=4
set expandtab
On Tue, Apr 13, 2010 at 7:51 AM, Johnathan Corgan <
jcor...@corganenterprises.com> wro
On Wed, Apr 14, 2010 at 16:26, Faisal Khan wrote:
> I am using a RFX2400 card and wanted to use USRP2 to sample a BW of 50MHz,
> in ISM band. If I am correct, by default, USRP2 uses a total of 32
> bits/sample (16 bit I and 16 bit Q). For looking at a BW of 50MHz, I would
> need 50MS/s which will
G'day,
The FX2 chip has issues and this time I suspect a faulty crystal. I would like
to replace it before going any further.
The current crystal is a ECSD240E, but I can't find any information on it.
Does anyone know the part number for a replacement crystal and a possible
source?
Thanks,
c
Hi,
I am using a RFX2400 card and wanted to use USRP2 to sample a BW of 50MHz, in
ISM band. If I am correct, by default, USRP2 uses a total of 32 bits/sample (16
bit I and 16 bit Q). For looking at a BW of 50MHz, I would need 50MS/s which
will be equal to 50MS/s x 32 bit/sample = 1600Mbps. T
Hi all,
I'm trying to create a flowgraph that receives multiple signals simultaneously.
As the program has no a priori knowledge of how many signals will be present,
and as that number will change during runtime as transmissions appear and
disappear, I would like to dynamically add and remove
On Wed, Apr 14, 2010 at 02:06:19PM -0400, Catalin Patulea wrote:
> On Tue, Apr 13, 2010 at 5:06 PM, Eric Blossom wrote:
> > I suggest (following Cypress's lead) that you have your device come
> > up as something other than an unconfigured Cypress FX2.
> Eric, would you be able to assign a temporar
Hello, Johnathan,
Thank you for your reply.
What I want to do is collect the samples from the usrp2 and use
gr.probe_avg_mag_sqrd_cf to check that if the one channel is free or not. If
it is free, wait 3 second and repeat checking the samples again. I think it
just the simple example of spectru
On Wed, Apr 14, 2010 at 12:27, Andy_Long wrote:
> I have faced the same problem. I try to received the limited samples from
> USRP2 by using "head"block. It should return a -1 and the flow graph will
> stop, am I right?
The flowgraph will not only stop, but will end its lifetime. Once
run() has
Ahmad Zaki Yaacob schrieb:
Hi all,
I am running DBSRX on USRP2. My laptop is Dell Vostro 1510, Intel
Core2 Duo 2.4GHz, 2GB Ram. Ubuntu 9.10 version 2.6.31-20. My installed
Gnuradio is version 3.2.2-1. Previously I have been able to use
BasicRX and able to listen to FM radio.
Currently I'm worki
Hello, Johnathan
I have faced the same problem. I try to received the limited samples from
USRP2 by using "head"block. It should return a -1 and the flow graph will
stop, am I right?
Then I call myblock.run() again during the while loop for several times.
However, after running the loop for mor
On Tue, Apr 13, 2010 at 5:06 PM, Eric Blossom wrote:
> I suggest (following Cypress's lead) that you have your device come
> up as something other than an unconfigured Cypress FX2.
Eric, would you be able to assign a temporary PID to us under the FSF
VID? We are working toward USB certification bu
On Wed, Apr 14, 2010 at 09:56:48AM -0400, Tom Rondeau wrote:
> On Wed, Apr 14, 2010 at 2:15 AM, Mir M. Ali wrote:
> > Hi,
> > I have a Gnuradio block that i built in C++ that has a vector passed to it.
> > When I want to import the python equivalent of that block in python how will
> > i pass a ve
On 04/13/2010 08:14 AM, Marcus D. Leech wrote:
I have a potential application for an FFT beamformer. 5 or 7 antennas,
5 or 7 USRP2.
The actual application is fairly narrowband--less than 250KHz wide.
If I lock all the USRP2 to a common source (GPSDO probably) is that
likely to be good enough
On Wed, Apr 14, 2010 at 06:48, Tom Rondeau wrote:
> Another point of clarification for the way benchmark_rx works. We use
> differential modulation to account for the phase ambiguity. For BPSK,
> there would indeed be a 180 degree ambiguity, but we use DBPSK, which
> is insensitive to that. For a
Axel,
regarding your interleaver question:
Block or convolutional, I suspect that any practical application will
use a convolutional interleaver in a "block" fashion, ie
it will have M symbols in the input and produce M symbols at the output
where the positions are permuted.
If you can describ
On Wed, Apr 14, 2010 at 2:15 AM, Mir M. Ali wrote:
> Hi,
> I have a Gnuradio block that i built in C++ that has a vector passed to it.
> When I want to import the python equivalent of that block in python how will
> i pass a vector to it. I thought lists were an equivalent but it doesn't
> work.
>
On Tue, Apr 13, 2010 at 1:11 AM, Ian Holland
wrote:
>
> Hi All
>
> I have been studying up on the Costas loop, and have a couple of queries as
> to the benchmark_tx.py and benchmark_rx.py as a result.
>
> Firstly, for BPSK, there should in theory be a 180 deg. phase ambiguity when
> using a Costas
Another question on xcvr2450:
In the firmware I can see that the maximum linearity is not switched
on. Can I do it ? Does it make sense ?
BR/
Per
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Hi all,
I am running DBSRX on USRP2. My laptop is Dell Vostro 1510, Intel
Core2 Duo 2.4GHz, 2GB Ram. Ubuntu 9.10 version 2.6.31-20. My installed
Gnuradio is version 3.2.2-1. Previously I have been able to use
BasicRX and able to listen to FM radio.
Currently I'm working on DBSRX. I have followed
Hi
Thanks for answering my questions.
I changed my code, it works now.
I will try the random interleaver, to see how it works. But in the end I
will need a super control over it. I need something that look like that :
http://www.mathworks.com/access/helpdesk/help/toolbox/commblks/ug/fp60504.html
(
Hello
Is somebody here, who has ready got gnuradio work on the linux distribution
SUSE Enterprise version 10 oder higger?
I´m using gnuradio now with ubuntu but I´ll like to change the OS and get
Gnuradio work on SUSE
Thanks
Romuald
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On Wed, Apr 14, 2010 at 01:15:17AM -0500, Mir M. Ali wrote:
> Hi,
> I have a Gnuradio block that i built in C++ that has a vector passed to it.
> When I want to import the python equivalent of that block in python how will i
> pass a vector to it. I thought lists were an equivalent but it doesn't w
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