Re: [Discuss-gnuradio] ofdm reception affected by python threading?

2010-05-24 Thread Eric Blossom
On Fri, May 21, 2010 at 02:15:15PM -0700, Veljko Pejovic wrote: > Hi, > > I'm using two USRP2 with XCVR2450s, a week old gnuradio git master and > Ubuntu 9.10. > > A few months ago while using the OFDM code I observed that I tend to > receive (or send?) packets in groups, although I was sending t

Re: [Discuss-gnuradio] Hi all, how to use usrp and gnuradio support triangulation to locate a cell phone

2010-05-24 Thread Josh Blum
That cellphone triangulation stuff is just an urban legend: http://www.wired.com/underwire/2008/06/cellphones-cant/ -Josh On 05/24/2010 08:06 PM, John Wu wrote: Hi all, I am a fresh on usrp and gnuradio, now I want to use them to support locate a cell phone, and what I know is locate a cell ph

Re: [Discuss-gnuradio] can not open link "http://gnuradio.org/svn/usrp-hw/trunk/USRP_REV_4_2/"

2010-05-24 Thread Josh Blum
from this page: http://www.ettus.com/download this is the real link, though it seems not to be loading for me: http://code.ettus.com/redmine/ettus/projects/public/documents -josh On 05/24/2010 08:28 PM, John Wu wrote: Hi all, I want to get usrp board schematic, and this link is usrp board sche

[Discuss-gnuradio] can not open link "http://gnuradio.org/svn/usrp-hw/trunk/USRP_REV_4_2/"

2010-05-24 Thread John Wu
Hi all, I want to get usrp board schematic, and this link is usrp board schematic pdf download link, however it can't be open. ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] Hi all, how to use usrp and gnuradio support triangulation to locate a cell phone

2010-05-24 Thread John Wu
Hi all, I am a fresh on usrp and gnuradio, now I want to use them to support locate a cell phone, and what I know is locate a cell phone need to use triangulation method. Anyone know if gnuradio contain triangulation block or any open triangulation algorithm available? Thanks!

Re: [Discuss-gnuradio] Need help with gr how to create a signal processing block template

2010-05-24 Thread Eric Blossom
On Mon, May 24, 2010 at 03:36:35PM -0700, H.Raza wrote: > > Thanks Eric for your reply. The suggestion was immensely helpful. I was > looking for the wrong documentation initially and could not understand how > Automake works, think I had the Make one open. > > As the documentation is very compre

RE: [Discuss-gnuradio] (no subject)

2010-05-24 Thread Nick Foster
Apologies all for the spam -- I appear to have some malware of some sort. Back to your regularly-scheduled gnuradio. --n > From: bistro...@hotmail.com > To: wb1...@runbox.com; discuss-gnuradio@gnu.org; guffik...@hotmail.com; > jl...@comcast.net; o...@nerdnetwor

[Discuss-gnuradio] (no subject)

2010-05-24 Thread Nick Foster
http://www.google.com/reader/item/tag:google.com,2005:reader/item/48612a9369c5d13c _ The New Busy is not the old busy. Search, chat and e-mail from your inbox. http://www.windowslive.com/campa

Re: [Discuss-gnuradio] Need help with gr how to create a signal processing block template

2010-05-24 Thread H.Raza
Thanks Eric for your reply. The suggestion was immensely helpful. I was looking for the wrong documentation initially and could not understand how Automake works, think I had the Make one open. As the documentation is very comprehensive, I was only able to grasp a few things but I was able to fix

Re: [Discuss-gnuradio] Need help with gr how to create a signal processing block template

2010-05-24 Thread Eric Blossom
On Mon, May 24, 2010 at 12:01:17PM -0700, H.Raza wrote: > > Thanks a lot for the reply Tom, I figured out that part after looking at a > number of sample Makefile.am files in different projects. I used the -I > flag to include the directories and the compilation began, but after a few > steps I re

Re: [Discuss-gnuradio] Delay of synchronization with PPS and UHD on USRP2

2010-05-24 Thread Josh Blum
It turns out that the time registers were being written in the wrong order. I have pushed a fix to the master (seconds need to be written last). -Josh On Mon, May 24, 2010 at 3:49 AM, Manuel Fuhr wrote: > 2010/5/21 周亮 : >> Hi, >> >> These days I am trying to synchronize two USRP2 with PPS signal

Re: [Discuss-gnuradio] execute MATLAB code with mlab_call

2010-05-24 Thread H.Raza
Dev the link that you posted is no longer working it seems. I am working on a similar project which involves a part in which I need to execute MATLAB code as part of a flowgraph, so I was hoping to use your block as a reference for my own work. If it is possible, kindly can you reupload it and pro

Re: [Discuss-gnuradio] Need help with gr how to create a signal processing block template

2010-05-24 Thread H.Raza
Thanks a lot for the reply Tom, I figured out that part after looking at a number of sample Makefile.am files in different projects. I used the -I flag to include the directories and the compilation began, but after a few steps I received the following error. == from Terminal

Re: [Discuss-gnuradio] USRP2 and DBSRX

2010-05-24 Thread Jason Abele
On Mon, May 24, 2010 at 6:09 AM, gabriele pirazzi wrote: > > Anyone can clarify this issue: > to correct configure the DBSRX for USRP2 is requested the USRP1 or following > the instruction in > http://gnuradio.org/redmine/wiki/gnuradio/USRP2DBSRXModification in > sufficient? yes, if you want to u

Re: [Discuss-gnuradio] USRP2 and DBSRX

2010-05-24 Thread gabriele pirazzi
Hi, i think this is very important. Anyone can clarify this issue: to correct configure the DBSRX for USRP2 is requested the USRP1 or following the instruction in http://gnuradio.org/redmine/wiki/gnuradio/USRP2DBSRXModification in sufficient? Thanks Gabriele -- View this message in context:

Re: [Discuss-gnuradio] Delay of synchronization with PPS and UHD on USRP2

2010-05-24 Thread Manuel Fuhr
2010/5/21 周亮 : > Hi, > > These days I am trying to synchronize two USRP2 with PPS signal  and UHD. > The two USRP2 is connect with same reference clock and PPS signal. I use > function "set_time_next_pps(uhd::time_spec_t(0))" to set time to be zero, > and make two USRP2 start sampling after 3 secon

Re: [Discuss-gnuradio] Rx and Tx on same antenna

2010-05-24 Thread Mirko Heukemes
Am 21.05.2010 10:12, schrieb Martin Braun: On Thu, May 20, 2010 at 02:46:38PM +0200, Mirko Heukemes wrote: Hello, I'm starting to play around with gnuradio and the USRP1. I have the RFX400 daughterboard but only one antenna. I used the examples usrp_wfm_rcv.py and usrp_nbfm_rcv.py for testi