Re: [Discuss-gnuradio] Volk branch on github

:06 +0100, Martin DvH wrote: > On Tue, 2012-02-14 at 22:56 -0500, Tom Rondeau wrote: > > There's been a ton of work going on in getting us ready to really > > start using Volk in GNU Radio blocks. Instead of repeating myself, > > here, you can see more about the who/what/w

Re: [Discuss-gnuradio] Volk branch on github

On Tue, 2012-02-14 at 22:56 -0500, Tom Rondeau wrote: > There's been a ton of work going on in getting us ready to really > start using Volk in GNU Radio blocks. Instead of repeating myself, > here, you can see more about the who/what/when/why/how of the changes > here: > > > http://www.trondeau

Re: [Discuss-gnuradio] GNU Radio at Chaos Communication Camp 2011

Hi, I will be going and probably take a few others from The Netherlands with me. I organized a gnuradio workshop on HAR2009 together with Pascal Schiks. Maybe we will do that again on CCC. I will be taking about a dozen USRPs, daughterboards, clocktamers, antennas and OpenBTS desktop kits with

[Discuss-gnuradio] gnuradio.org seems to be down

gnuradio.org seems to be down Martin ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] Large FFTs

Dear Carles, On Mon, 2010-08-23 at 21:37 +0200, Carles Fernandez wrote: > Dear Thomas, > > we have found some problems when using USRP2+DBSRX for GPS due to > phase noise. See details in http://www.ruby-forum.com/topic/213845 I have experimented with using the clock from the usrp to a modified TV

[Discuss-gnuradio] Patch to increasy dynamic range of usrp2 by adding shift_iq setting

Hi All, I created a patch which adds a shift_iq setting to the usrp2. This can shift the output of dsp_core_rx by 0 to 3 bits. (= Multiply by 1, 2, 4 or 8) It does proper rounding and clipping. With the shift_iq setting in combination with the already existing scale_iq you can optimize the dynam

[Discuss-gnuradio] Re: gnuradio.org seems to be down

On Wed, 2010-06-09 at 07:09 -0400, Johnathan Corgan wrote: > On Wed, Jun 9, 2010 at 07:07, Martin DvH wrote: > > > The gnuradio.org server seems to be down. (9 Jun 2010) > > Works for me here. Might be a routing issue for you, try seeing where > traceroute fails. It seems

[Discuss-gnuradio] gnuradio.org seems to be down

The gnuradio.org server seems to be down. (9 Jun 2010) Even a ping times out. Martin ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] removal of mblock and inband code

I noticed this in a recent commit: > commit ac2b84b93cad94f9a8830eeb5e62dace997c9a47 > Author: Johnathan Corgan > Date: Mon Apr 26 22:41:19 2010 -0700 > >Remove mblock library. We hardly knew 'ye. This commit removes all mblock and inband code. Is a new message passing interface usable

Re: [Discuss-gnuradio] USRP1 Inband rework, request for features and comments

On Tue, 2010-02-16 at 15:43 -0700, Eric Schneider wrote: > Hi George, no worries, I know perfectly well how it is to have too many > ambitions and too little time... :-) > > I can confirm that the timestamps are correct. I have been using it for > some time. > > The compiled RBF is not in my de

Re: [Discuss-gnuradio] Spread Spectrum question in gnuradio

On Wed, 2010-04-28 at 11:23 -0700, Johnathan Corgan wrote: > On Tue, Apr 27, 2010 at 21:19, John Andrews wrote: > > > If I want to transmit a signal which is DSSS spread using BPSK. Is it > > correct for me to first digitally spread the incoming data bits and then > > apply BPSK before sending it

Re: [Discuss-gnuradio] gr.prefs

On Wed, 2010-04-28 at 15:28 -0400, Marcus D. Leech wrote: > Is there any kind of guide as to how gr.prefs is supposed to be used? > Is this functionality going > to be deprecated at any point, is there any kind of plan as to how it > will be used? > There is not much documentation but I found o

Re: [Discuss-gnuradio] Problem with new install

On Tue, 2010-04-27 at 08:57 -0700, William Pretty Security Inc wrote: > Hi All; > > > > Well I picked up my new system at Best Buy. (details later) I > installed Ubuntu 9.10 and Gnuradio from the git. > > I must have made a typo somewhere because I get the following error > when I probe the US

[Discuss-gnuradio] fix for usrp2 overruns when stopping and restarting rx streaming

Hi All, When you use an USRP2 for capturing and you call u2->stop_rx_streaming() and later u2->start_rx_streaming(0) You always get a single overrun. -a single 'S' is output on the console -u2->rx_overruns() returns 1 (in stead of 0) I am developing a usrp2 application which does not permit

[Discuss-gnuradio] AFC (Automatic Frequency Control) FM demo python and GRC scripts

Hi all, I wrote two gnuradio AFC (Automatic Frequency Control) demos This AFC technique can come in handy when your tuning is critical and there is a frequency offset or doppler shift to be expected. (Like when trying to receive NOAA weather satelites which can have a substancial doppler shift. I

Re: [Discuss-gnuradio] LFRX boards at low-VHF frequencies

On Fri, 2010-03-12 at 14:12 -0500, Marcus D. Leech wrote: > Has anybody on-list had experience using the BASIC_RX or LFRX boards at > low-vhf frequencies > (30-50MHz)?? BasicRX works when you add a corresponding bandfilter and a LNA. Note however that the first niquist frequency is at 32 Mhz wit

[Discuss-gnuradio] simultanuous receive and transmit on USRP2 in C++, maybe use threads

Hi All, I am building an application where I simultanuously want to receive and transmit using the USRP2. Since I also need the timestamps, I implement this using C++. (Building my own filewriter class which extends usrp2::rx_nop_handler, like in rx_streaming_samples.cc) Should I use threads to k

[Discuss-gnuradio] Altera Quartus II for linux free web edition finally available

With the release of Quartus II 9.1 on 2 november 2009 Altera has finally decided to make a free Linux Web edition available. https://www.altera.com/support/software/download/altera_design/quartus_we/dnl-quartus_we.jsp http://www.altera.com/corporate/news_room/releases/2009/products/nr-quartus-ii-

[Discuss-gnuradio] HAR2009 SDR:Village

below. Greetings, Martin Dvh https://wiki.har2009.org/page/Village:SDR Village:SDR Village for those that are interested in Software Defined Radio Morely for those that are interested in the OpenSource SDR platform GNU-Radio We'll bring a couple of USRP's and other devices to demonstr

Re: [Discuss-gnuradio] Programming USRP as a relay node

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

Re: [Discuss-gnuradio] CUDA-Enabled GNURadio gr_benchmark10 possible improvements

gnuradio-CUDA docs (if it is not already there). Greeting, Martin > > Are these 2 outputs normal? Are they suppose to happen? If not, how do > I fix this? > > 2009/6/30 Martin DvH > On Tue, 2009-06-30 at 02:52 -0400, Yu-Hua Yang wrote: > > Upon a cl

Re: [Discuss-gnuradio] CUDA-Enabled GNURadio gr_benchmark10 possible improvements

On Tue, 2009-06-30 at 02:52 -0400, Yu-Hua Yang wrote: > Upon a closer look into cuda_muiltiply_const_ff_kernel.cu, there > exists 5 different kernel functions to do the multiplication, where > the default one, > > __global__ void > cuda_multiply_const_ff_kernel(const float* g_idat

Re: [Discuss-gnuradio] GnuRadio and CUDA

On Fri, 2009-06-19 at 03:28 -0400, Yu-Hua Yang wrote: > Continuing from this thread > http://lists.gnu.org/archive/html/discuss-gnuradio/2008-11/msg00293.html > > Has there been any progress made since 2008? > No, not much. I am waiting for the OpenCL implementations from nvidia and ATI to becom

Re: [Discuss-gnuradio] TVRX question

On Sun, 2009-06-21 at 15:15 +0200, Sebastiaan Heunis wrote: > Hi all > > For some reason I always thought that the TVRX daughterboards support > IQ sampling. Turns out I was wrong. You are only partly wrong. The TVRX is only sampled in I. But the usrp firmware transforms this into IQ samples at

Re: [Discuss-gnuradio] DBS-RX satellite connection

On Sat, 2009-06-06 at 21:57 -0700, Eric Blossom wrote: > On Sat, Jun 06, 2009 at 02:30:05AM -0400, davek wrote: > > I would like to get my usrp conneced to my TVRO satellite dish. I am > > wondering... > > Is the DBSRX daughter card suitable for direct connection to a satellite > > LNB? > > Yes.

Re: [Discuss-gnuradio] Upcoming changes in the development trunk

On Wed, 2009-05-27 at 08:12 -0700, Johnathan Corgan wrote: > On Wed, May 27, 2009 at 7:35 AM, Martin DvH > wrote: > > >> * Elimination of the single-threaded flowgraph scheduler. The > >> "thread-per-block" scheduler is already the default in 3.2. While thi

Re: [Discuss-gnuradio] Upcoming changes in the development trunk

On Wed, 2009-05-27 at 06:44 -0700, Johnathan Corgan wrote: > In no particular order of time or importance, these are among some of > the changes planned for the development trunk and 3.3 release that may > affect you: ... > > * Elimination of the single-threaded flowgraph scheduler. The > "threa

Re: [Discuss-gnuradio] Recommended PC Hardware for Performance

On Tue, 2009-05-19 at 08:26 -0400, Tom Lutz wrote: > This may be a somewhat banal question, but what would be the optimal > hardware/software configuration needed to leverage the power of > gnuradio? > > Core i7 versus Core2 Duo versus Other (maybe cell)? gnuradio depends heavily on floating point

Re: [Discuss-gnuradio] USRP emulation ??

On Fri, 2009-05-15 at 08:16 -0500, Jason Uher wrote: > > In my opinion, this is a really good idea. We're actually working on this > > as part > > of a bigger simulation project, which abstracts the USRP and the wireless > > channel. > > It not far along yet, but we'll put it on CGRAN once there

[Discuss-gnuradio] gnuradio.org seems to be down

gnuradio.org seems to be down Greetings, Martin ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] schematic for lf-rx

On Wed, 2009-04-29 at 11:43 +0200, Markus Feldmann wrote: > Hi All, > > is there a schematic for the LF-RX ? > I need only a pdf file not really schematic file. > gschem schema, pcb pcb-layout. There are also postscript and pdf versions in the same dir. http://gnuradio.org/trac/browser/usrp-hw/t

Re: [Discuss-gnuradio] FIR filter , Clock recovery and Quadrature demodulation

On Sun, 2009-04-26 at 22:30 +0500, M. Awais Arshad wrote: > Hi, > > The following are some code segments of gsm-scan.py basically > used for gsm data reception. I have a few questions about the > difference between input_rate and sps, > > > > clock_rate = 64e6 > #set the defa

Re: [Discuss-gnuradio] Standalone USRP1 Operation

On Thu, 2009-04-23 at 23:43 -0700, Firas A. wrote: > Hi, > > Has anyone tried to run USRP1 without PC? > > I have an application where a friend supported me with a standalone USRP > FPGA image. I used the PC only to load this image to the USRP using gnuradio > blocks/tools. After that I can plug

Re: [Discuss-gnuradio] Is it possible to buy a RFX900 without the filter?

On Thu, 2009-04-23 at 23:07 -0400, davek wrote: > what capacitor does rfx1800 use in C204? If I recall well it is a 100 pF 603 capacitor. Martin > > On Thu, Apr 23, 2009 at 7:10 PM, Martin DvH > wrote: > Hi Jhon, > > On Wed, 2009-04-22 at 22:03

Re: [Discuss-gnuradio] Is it possible to buy a RFX900 without the filter?

Hi Jhon, On Wed, 2009-04-22 at 22:03 -0700, Jhon Lee wrote: > > I read the discuss-gnuradio list and know that I need to bypass the > filter with a capacitor and cut away the filter. I would like to know > if it is possible to get a RFX900 which has removed the filter when I > order it. You c

Re: [Discuss-gnuradio] Resource busy error:

hat we want here. There is a kind of circular reference here so the tb keeps existing I would try: tb._tune_callback.tb=None tb._tune_callback=None tb.u=None tb=None Good luck, Martin > > thanks > bhargav > > > > On Wed, Apr 22, 2009 at 5:54 PM, Martin DvH > wrote: >

Re: [Discuss-gnuradio] Resource busy error:

On Wed, 2009-04-22 at 17:41 -0500, kollimarla bhargav wrote: > Hi all, > We are trying to run a simple receiver program using > benchmark_rx.py. The problem we are facing is when we try to run > another receiver program like usrp_spectrum_sense.py inside the > benchmark_rx.py using os.sy

[Discuss-gnuradio] KD7LMO Killed while bicycling

I am sorry to bring you this sad news. I found this information on: http://groups.yahoo.com/group/Ballooning/message/2810 "KD7LMO Killed while bicycling We have received word that Michael Gray, KD7LMO, was killed Sunday, April 12, while bicycling to visit his parents. This occurred about 3:30 P.

Re: [Discuss-gnuradio] Re: OpenBTS compilation error

@@ */ +#define HAVE_BYTESWAP_H - #include "usrp_standard.h" #include "usrp_bytesex.h" #include "usrp_prims.h" <<>> Greetings, Martin > > Thank you, > Jane > > > > Martin Dvh wrote: >> T. W. wrote: >>>

Re: [Discuss-gnuradio] Hacking at Random: Dutch outdoor technology-conference

Eric Blossom wrote: > FYI, > > These outdoor European hacker get-togethers are a fabulous time! > I highly recommend them! August 13-16, near Vierhouten, NL. > > https://har2009.org > https://wiki.har2009.org/page/Main_Page > > Eric I can also highly recommend it. HAR2009 is the followup

Re: [Discuss-gnuradio] OpenBTS compilation error

oInterface.h:25, > from radioInterface.cpp:23: > /usr/local/include/usrp_bytesex.h:37:2: warning: #warning Using > non-portable cod > e (likely wrong other than ILP32). This is a known bug. A temporary workaround can be done by using attached patch. See description below.

Re: [Discuss-gnuradio] Re: Pulse-doppler RADAR wind profiler project and how to bypass interpolation, DAC filtering, etc.

On Mon, 2009-02-23 at 19:43 +1100, Nick Withers wrote: > Just resending as this didn't seem to get through to the list... > > Presumably I must be subscribed to post? > > On Tue, 2009-02-17 at 20:37 +1100, Nick Withers wrote: > > Hi all, > > > > I'm new to GNURadio / the USRP, but am working on

Re: Re[Discuss-gnuradio] quire USRP1 / USRP2 ASAP

Martin DvH wrote: > On Tue, 2009-02-03 at 10:38 -0800, chitlas wrote: >> Hi, >> >> Please let me know from where I can purchase USRP1 / USRP2 as I see that >> USRP2 is due for release (beta is no longer available) and USRP1 is out of >> stock till Feb end or so f

Re: [Discuss-gnuradio] GNU Radio server broken?

Johnathan Corgan wrote: > The gnuradio.org site is back up, though we will require another > period of downtime in the next day or so. Please let us know if you > find anything out of the ordinary. > > We are now running Apache 2.2, Trac 0.10.4, and Subversion 1.4.6, and > planning a further upgr

Re: [Discuss-gnuradio] Simple Broadcast FM Receiver

0 This will use the alsa software resampler to resample the 32000 to 44100 Please use reply-to-all when using the mailinglist. Now I was the only one who got your reply, and not the mailinglist. Greetings, Martin > > 2009/1/27 Martin DvH <mailto:gnuradiom...@olifantasia.com>> &

Re: Re[Discuss-gnuradio] quire USRP1 / USRP2 ASAP

On Tue, 2009-02-03 at 10:38 -0800, chitlas wrote: > Hi, > > Please let me know from where I can purchase USRP1 / USRP2 as I see that > USRP2 is due for release (beta is no longer available) and USRP1 is out of > stock till Feb end or so from ETTUS's site. > > Thanks in advance. > > Regds/Sudhir

Re: [Discuss-gnuradio] Re: SVN Revisions and GSSM-

On Wed, 2009-01-28 at 11:26 +0100, José Carlos Reyes wrote: > OK. I have just installed that recommended revision. But when I am > installing GSSM in the step 5, I type sudo /usr/local/bin/mktun gsm. > It gives me the following error: > > w...@wsn-desktop:~$ sudo /usr/local/bin/mktun gsm > /usr/l

Re: [Discuss-gnuradio] Re: GNU-Radio GUI applications freeze

On Mon, 2009-01-26 at 10:56 +, feldmaus wrote: > Raul Siles gmail.com> writes: > > > > > Hello, > > I'm running GNU-Radio 3.1.3 under Fedora 8 (fully updated) with USRP > > and all the USRP graphical (GUI) applications freeze, such as > > usrp_oscope.py or usrp_fft.py. > > > > The applicat

Re: [Discuss-gnuradio] Simple Broadcast FM Receiver

On Mon, 2009-01-26 at 17:04 +1300, Muhammad Abrar wrote: > when i run this program ithe following ewrror appears, how can i resolve this. > Nameerror: microtune_eval_board is not defined at line 70: > > #!/usr/bin/env python > > # simple broadcast FM receiver > > > from GnuRadio import * > >

[Discuss-gnuradio] Re: GNU Radio GPGPU WIP Branch Status?

(device_output,device_input_a,device_input_b, n); } > > I'm wondering if you can elaborate on (A) and (C) above [(B) I > understand]. Do you anticipate these changes to be simple / straight > forward? What specific changes do you beli

Re: [Discuss-gnuradio] Extracting intermediate data

On Tue, 2009-01-20 at 15:33 -0500, Catalin Lacatus wrote: > Hello, > > I am working with usrp_spectrum_sense.py and I am trying to analyze the > intermediate data from different DSP blocks. > > After I passed the input stream to a vector I tried to save this information > on a file like this:

[Discuss-gnuradio] Re: Openbts patches

On Mon, 2009-01-19 at 22:37 -0800, Johnathan Corgan wrote: > On Mon, Jan 19, 2009 at 2:22 PM, Martin DvH > wrote: > > > The first bug prevents the OpenBTS tranceiver from starting with the > > error "make failed on Rx" > > > > The check on line 173 in

[Discuss-gnuradio] Openbts patches

Hi, I have been working with OpenBTS in trying to get it to compile and found two bugs and solved them. The first bug prevents the OpenBTS tranceiver from starting with the error "make failed on Rx" The check on line 173 in USRPDevice should be for !m_uRx in stead of ! m_uTx The second is that

[Discuss-gnuradio] preferences in conf.d issues

Hi All, I have been struggling with the strange behaviour of the configuration files in /usr/local/etc/gnuradio/conf.d This is the place where the following files with gnuradio user preferences live: gnuradio-core.conf gr-audio-jack.conf gr-wxgui.conf gr-audio-alsa.conf gr-audio-oss.conf WHen

Re: [Discuss-gnuradio] Re: gr-howto-write-a-block seems broken, anybody working on it.

On Mon, 2008-12-08 at 14:51 -0800, Johnathan Corgan wrote: > On Mon, Dec 8, 2008 at 2:34 PM, Johnathan Corgan > <[EMAIL PROTECTED]> wrote: > > >> /usr/local/include/gnuradio/swig/gr_realtime.i:3: Error: Unable to find > >> 'gruel/realtime.h' > > > > This should have been fixed in a fairly recent

[Discuss-gnuradio] gr-howto-write-a-block seems broken, anybody working on it.

Hi, gr-howto-write-a-block seems broken. When I try to bootstrap ./configure make Making all in lib make[3]: Entering directory `/pub/projects/gnuradio/svn/trunk/gr-howto-write-a-block/src/lib' /usr/bin/swig -c++ -fvirtual -python -modern -I/usr/local/include/gnuradio/swig -I/usr/local/include/

Re: [Discuss-gnuradio] GnuRadio and CUDA

o-core.so > /usr/local/lib/libgromnithread.so -lrt /usr/local/lib/libfftw3f.so > -L/usr/lib/gcc/i386-redhat-linux/4.1.2 > -L/usr/lib/gcc/i386-redhat-linux/4.1.2/../../.. -lstdc++ -lm -lc > -lgcc_s /usr/lib/gcc/i386-redhat-linux/4.1.2/crtendS.o > /usr/lib/gcc/i386-redhat-linux/4.1.2/

Re: [Discuss-gnuradio] GnuRadio and CUDA

On Fri, 2008-11-14 at 16:42 -0800, Bob Keyes wrote: > I've just been given a Nvidia Quadro 5600 and I am thinking of using it for > DSP. Has anyone experimented with USRP & gnuradio & cuda? > I have been working on this for quite some time now. I did a glsl implementation a few years back but it

Re: [Discuss-gnuradio] GPU progress?

On Sat, 2008-11-15 at 10:30 -0500, Marcus D. Leech wrote: > What is the current status of GPU support in Gnu Radio? In particular, > a GPUed FFT implementation would be peachy keen. > I have been working on this for quite some time now. I did a glsl implementation a few years back but it didn't

Re: [Discuss-gnuradio] Re: Soft-DVB DVB-T transmitter

looking forward for the sources. One of the things I am planning to do is use the structure of your code as a basis for a DVB-T receiver. It is always easier debugging a receiver when you can make a full loop. (transmitter and receiver back-to-back) Greetings, Martin > 2008/11/3, Martin DvH <

Re: [Discuss-gnuradio] Any tutorials (documentation) about gr-radar-mono

On Mon, 2008-11-10 at 20:14 +0100, Bruhtesfa Ebrahim wrote: > Hi Johnathan, > > Thank you so much for the advise that you gave me ! ! ! > Could you also look at the following description and give me your > comment.? - Thanks > > Ya! I am looking to detect human motion at a distance of minimum

RE: [Discuss-gnuradio] Re: Soft-DVB DVB-T transmitter

On Mon, 2008-11-03 at 14:13 +0100, Martin DvH wrote: > > > > > > > Van: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] > Namens Vincenzo Pellegrini > > Verzonden: maandag 3 november 2008 0:16 > > Aan:

RE: [Discuss-gnuradio] Re: Soft-DVB DVB-T transmitter

> Van: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Namens Vincenzo Pellegrini > Verzonden: maandag 3 november 2008 0:16 > Aan: Martin DvH > CC: discuss-gnuradio > Onderwerp: [Discuss-gnuradio] Re: Soft-DVB DV

[Discuss-gnuradio] Re: Soft-DVB DVB-T transmitter

Hi, > > In fact: 8 complex Msps implement a 7 MHz channel while 9.142857143 > > complex Msps implement an 8 MHz channel. > > Just try to go as close as possible to such sampling frequency by > > using USRP2 and let me know what happens... it could turn out that we > > need a resampler block. > So

[Discuss-gnuradio] Re: Soft-DVB DVB-T transmitter

Hi Vincenzo, On Sun, 2008-11-02 at 01:28 +0100, Vincenzo Pellegrini wrote: > Hi Martin, > sorry for the delayed replies but now I've passed my first cluster of > PhD tests (went well) Congratulations. > and I've got to carry out some work + preparing the second group of > tests. Success. > Well

Re: [Discuss-gnuradio] Anyone using GNU Radio for doppler radar application

On Tue, 2008-10-28 at 20:15 +0100, Bruhtesfa Ebrahim wrote: > Thank you Micheal ! I have installed the doxygen now using macports. > > By the way I am using USRP+Tx and RX daughterboards on OS X 10.5 for > doppler radar application. > Anyone, having experience on using GNU radio for doppler rad

Re: [Discuss-gnuradio] Re: USRP2 current svn code not working. Is the svn code still in flux?

On Sun, 2008-10-26 at 14:03 -0700, Johnathan Corgan wrote: > On Sun, 2008-10-26 at 21:49 +0100, Martin DvH wrote: > > > The new fpga image in combination with the latest svn code also makes it > > possible to set the gain from the gui of usrp2_fft.py without crashing the >

Re: [Discuss-gnuradio] Re: USRP2 current svn code not working. Is the svn code still in flux?

On Sun, 2008-10-26 at 10:09 -0700, Johnathan Corgan wrote: > On Sun, Oct 26, 2008 at 8:33 AM, Johnathan Corgan > <[EMAIL PROTECTED]> wrote: > > > Also, I suspect that there might be a compatibility issue between the > > version of the FPGA code that was shipped on the SD card and the current > >

Re: [Discuss-gnuradio] Re: USRP2 current svn code not working. Is the svn code still in flux?

On Sun, 2008-10-26 at 08:33 -0700, Johnathan Corgan wrote: > On Sun, 2008-10-26 at 16:27 +0100, Martin DvH wrote: > > > I checked out your development branch too. > > branches/developers/jcorgan/u2-wip > > Should I build that and see what it does? > > I'm abo

Re: [Discuss-gnuradio] Re: USRP2 current svn code not working. Is the svn code still in flux?

On Sun, 2008-10-26 at 07:44 -0700, Johnathan Corgan wrote: > On Sun, 2008-10-26 at 15:37 +0100, Martin DvH wrote: > > > The current svn code does not seem to produce correct results for me > > when using usrp2_fft.py > > Could you please try usrp2_rx_cfile.py and se

[Discuss-gnuradio] USRP2 current svn code not working. Is the svn code still in flux?

Hi, The current svn code does not seem to produce correct results for me when using usrp2_fft.py I know there has been going on a lot of usrp2 work this weekend. Is the svn code still in a state of flux or should it work by now and should I check my setup. If I don't set the frequency I get a

Re: [Discuss-gnuradio] Signal processing and GPU

On Mon, 2008-10-20 at 15:03 -0700, [EMAIL PROTECTED] wrote: > Has anyone tried using GPU for signal processing? > Does anyone know of a reason why this would not be a good idea > I am planning on starting on it this week, would appreciate inputs I have been working on this for quite some time now

[Discuss-gnuradio] [cell] videocard with onboard cell processor announced

http://www.tcmagazine.com/comments.php?id=21673&catid=2 Th Leadtek PxVC1100 card features a PCI-Express x1 interface, active cooling, it boasts a SE1000 SpursEngine chip which integrates four Synergistic Processing Element (SPE) cores, at a currently unknown frequency and has 128MB of XDR memory

[Discuss-gnuradio] gnuradio.org seems to be down

Hi, gnuradio.org seems to be down (including svn and trac) Greetings, Martin ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] make check failure and solution patch (faulty gr_basic_block sort in gr_flow_graph)

Hi All, This patch makes the sort of basic_blocks reliable in gr_flowgraph.cc Without it make check can fail in qa_gr_flowgraph.cc:240 background: While working with new buffer code I found that make check can fail in qa_gr_flowgraph.cc 240: CPPUNIT_ASSERT(graphs[0].size() == 4); The cause of t

Re: [Discuss-gnuradio] Re: Multiple USRP's debugging

Douglas Geiger wrote: > On Mon, Jul 21, 2008 at 9:46 AM, Douglas Geiger > <[EMAIL PROTECTED] > wrote: > > I am having trouble getting two USRP's synchronized using the > multiple USRP setup described at > http://www.gnuradio.org/trac/wiki/MultiUsrp and > h

Re: [Discuss-gnuradio] What's wrong with this constellation?

Peter Monta wrote: > Hi Mason, > >> ... The amplitude of the receiver output seems to spray out pretty >> widely from the constellation point intended. > > It could be an AGC issue---is the AGC time constant long compared with a > symbol? > Is the distribution of constellation points uniform (eac

Re: [Discuss-gnuradio] help with "safe" and "clean" band

Mihail L. Sichitiu wrote: > Hi there, > > I'm brand new at this GNU Radio thing, so please forgive me if my question > has a "well-known" answer. I'd like to try out some performance tests on a > few modulation schemes, so I need a clean band for these tests. Obviously > the 2.4GHz ISM band is ful

Re: [Discuss-gnuradio] DAB with GNU Radio

Christoph Fischer wrote: > Hello Andreas, > > thank you for your very interesting reply. > >>> we would like to implement a DAB receiver with GNU radio. On the >>> hardware side we have a USRP with the TVRX daughterboard. >> >> Jens Elsner, who worked on DAB some time ago, found out that the TVR

[Discuss-gnuradio] GnuRadio code and documents at Olifantasia.com down, but back up

Hi All. All Olifantasia.com servers have been offline for several weeks, but they are back up again. I send this to the GnuRadio mailing list since I have several GnuRadio examples, presentations and code-snippets hosted at the Olifantasia webserver and have got some questions where they went an

Re: [Discuss-gnuradio] Re: Discuss-gnuradio Digest, Vol 64, Issue 1

jiqun qi wrote: > Hey, > > Which IDE for python is suitable for debugging on Gnu-radio projects, > especially for those new to Gnu-radio? I recently found: SPE IDE (Stani's Python Editor) http://pythonide.blogspot.com/ Which is quite a nice python IDE greetings, Martin > I use idle in ubuntu li

Re: [Discuss-gnuradio] GPS on USRP

Firas A. wrote: > Hi, > > Check : > > www.gps-sdr.com > > Regards, > > Firas This is Great work. It sound like you've got GPS working for the most part. And in a multi-threading way. Which is very good. Is the gps-sdr work-in-progress code available anywhere yet. I could only find the USRP_

Re: [Discuss-gnuradio] Bug in gnuradio-core\src\lib\general\gr_test.cc

Andrew Rose wrote: > I've got a background project to try to get GNU Radio working with the > native Windows tool chain (see > http://www.gnuradio.org/trac/wiki/WindowsNativeInstall). As a > side-effect of using a different compiler, I get different > warnings/errors. > > Here's something I found

Re: [Discuss-gnuradio] GNU Radio on embedded systems

Philip Balister wrote: > Has anyone looked at GNU Radio on an embedded system seriously? I've > built it for an ARM processor and heard that the dial tone example > will work. > > I'm particularly interested in using the python-less method > of connecting blocks. I understand that many of the GNU

Re: [Discuss-gnuradio] DAB receiver

Jens Elsner wrote: > Hallo Andreas, > > with the current status of OFDM PHY code in GNU Radio I think it is definately > worth a try. > > The work I did on DAB was basically OFDM synchronization in one GNU > Radio block. The code was more or less a hack, but it deepened my > understanding of digi

Re: [Discuss-gnuradio] minimizing interference with usrp

Matt Ettus wrote: > Juha Vierinen wrote: >> Hi, >> >> I have been doing some radio astronomy experiments with USRP using a >> 30 MHz dipole antenna (actually it is more of a riometer experiment). >> I am running into various interference issues. E.g., at one point I >> noticed that if my laptop pow

Re: [Discuss-gnuradio] Filter FIR on FPGA

[EMAIL PROTECTED] wrote: > Hi, > I'm designing a pass band filter FIR on FPGA. This filter has 64MHz of sample > rate and as window type "HAMMING". I'm using "MegaCore® IP Library" for > design > of the filter. > Is correct to use this software for design of the filter? Could you suggest me > oth

Re: [Discuss-gnuradio] Interest in beamforming and GNSS receivers

com/projects/gnuradio/mdvh/ or http://gnuradio.org/trac/browser/gnuradio/branches/developers/nldudok1 or (when it has stabalized) in GnuRadio trunk Greetings, Martin > Thanks, > Pavol > > PS: I haven't USRP yet. However, I am buying my first USRP, right now :) > > Martin Dvh wr

Re: [Discuss-gnuradio] Shielding on 2.4GHz

DiX wrote: > Hi everyone, > > I am using FLEX2400 d'boards to transmit and receive 802.11b packets > with codes from bbn and gnuradio_example/python/digital. The problem is the > d'board is always interferenced by some CISCO access points and other > wireless cards located right outside of my

Re: [Discuss-gnuradio] Interest in beamforming and GNSS receivers

Carles Fernandez wrote: > Hi everybody, > > I discovered GNU Radio few months ago, in a before-go-to-bed surfing. I > found it very interesting, but complicated because of my poor skills in > programming Python or C++. I'm doing research on Global Navigation Satellite > Systems (GNSS) receivers, a

Re: [Discuss-gnuradio] gr-sounder tx and rx results

Johnathan Corgan wrote: > On 1/24/08, Dev Ramudit <[EMAIL PROTECTED]> wrote: > >> I've been trying out the gr-sounder code to see if I can use it for >> some research. I modified it slightly and graphed the output in >> realtime. > > Let me work with you offline on this. The code does wo

Re: WSR08 Software Radio Conference in Karlsruhe, Germany March 5/6, 2008 (was Re: [Discuss-gnuradio] Pentium IV computing power in FLOPS)

John Clark wrote: > Martin Dvh schrieb: >> Vincenzo Pellegrini wrote: >> >>> Thanks Eric. >>> >>> very precious info.. >>> just by the way.. on March 6th, the Soft-DVB work will be presented in >>> Karlsruhe at the WSR08 software

WSR08 Software Radio Conference in Karlsruhe, Germany March 5/6, 2008 (was Re: [Discuss-gnuradio] Pentium IV computing power in FLOPS)

Vincenzo Pellegrini wrote: > Thanks Eric. > > very precious info.. > > just by the way.. on March 6th, the Soft-DVB work will be presented in > Karlsruhe at the WSR08 software defined radio conference. I didn't know of WSR08. Seems like a very nice conference about Software Radio. There are thr

Re: [Discuss-gnuradio] Need info for paper.

John Clark wrote: > I'm co-writing a paper on the use of GNU Radio. Because I'm inclined to > use 'Open Source' solutions, > GNU Radio and the attendant DSP library, was for me about the only > choice I would have made... > However, in the paper I'd like to at least make some attempt at > indicati

Re: [Discuss-gnuradio] Problem with symmetric behavior

Robert Miller wrote: > Hello, > > I created a flowgraph based upon the usrp_nbfm_ptt.py example. I am > witnessing some weird, asymmetric behavior when running the graph. The code > generates a tone from the user specified daughterboard and then plots the > spectrum via an fft from another user

Re: [Discuss-gnuradio] PSK31 with GNU Radio

Dan MD1CLV wrote: > Hi all, > > Is anyone using GNURadio to modulate or demodulate PSK31? According to > the archives, Chuck Swiger did have this working, but the page with his > code on is gone and it isn't archived on the wayback machine. Chuck has put up a new webpage at http://www.swigerco.co

Re: [Discuss-gnuradio] Re-writing blocks using intel libraries

Tom Rondeau wrote: > Martin Dvh wrote: >> Eric Blossom wrote: >> >>> On Tue, Dec 11, 2007 at 03:41:46PM -0800, Eugene Grayver wrote: >>> >>>> Please see answers in-line. >>>> >>>> Thanks! >>>> Gener

Re: [Discuss-gnuradio] Re-writing blocks using intel libraries

Eric Blossom wrote: > On Tue, Dec 11, 2007 at 03:41:46PM -0800, Eugene Grayver wrote: >> Please see answers in-line. >> >> Thanks! > >> General curiosity questions: >> >> Are you using oprofile to measure performance? >> >> I am a bit of a maverick, and for various reasons am using a pure C++ >

Re: [Discuss-gnuradio] BasicRX boards and AM transmission

Don Ward wrote: > "Philip Heron" <[EMAIL PROTECTED]> wrote: > >> Martin Braun wrote: >>> RXing with the USRP simply doesn't work, though, neither with >>> usrp_rx_nogui.py nor with anything I could come up with. I get lots >>> more noise than expected and usually I get a very loud buzz or >>> whis

Re: [Discuss-gnuradio] Re: Ideas for improved FM reception

Patrick Strasser wrote: > Martin Dvh schrieb am 2007-12-07 18:28: > >> The second thing I want to do is detecting if multiple transmitters >> (at different locations and frequencies) transmit the same radiostation. >> With a single tuner I can capture all these

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