Re: [Discuss-gnuradio] Impulse response USRP DAC<->ADC

2008-03-26 Thread Matt Ettus
Per Zetterberg wrote: When I changed the base-band frequency of the digital up/down-conversion from zero to 4MHz the hole disappeared. There is no 4 MHz hole. You are seeing rolloff from the CIC filter on the TX. Matt ___ Discuss-gnuradio

Re: [Discuss-gnuradio] Artwork

2008-03-26 Thread Matt Ettus
Patrick Strasser wrote: Hello! I'd like to use the logo from the wiki. I've found two images in the savannah web repository [1], but I was not able to find any vector-format source file for those. Are any "source" files available? Are the pictures GPLed? Patrick http://web.cvs.savannah.gnu

Re: [Discuss-gnuradio] a question about wx.App()

2008-03-26 Thread Bill Stevenson
Thank u! Your explanation to me is rather explicit! I have found outthe App() and downloaded wxWidgets 2.8.7, from which i checked out theapp.cpp file, thank u! But I still have sth confusing me. 1, e.g. there is a method called detachmenubar in the /src/gtk/frame.cpp, but i cannot find that me

[Discuss-gnuradio] Re: Discuss-gnuradio Digest, Vol 64, Issue 61

2008-03-26 Thread CHIN-YA HUANG
Tom, For the message 3, you mention that QAM 16 works well, but QAM64 does not. Is it still be the problem of receiver or anything else like the old message about synchronization, interference, or frequency offset related issue ? Chin-Ya > > -- > > Message: 3

Re: [Discuss-gnuradio] Signal processing block compiling problem

2008-03-26 Thread Paul Creekmore
Michael Dickens wrote: On Mar 24, 2008, at 10:12 PM, Jonathon Pendlum wrote: "/usr/bin/ld: cannot find -lfftw3f" This even occurs if I try to compile the howto example. Another member on my team has installed FFTW3, so I'm not sure why I am getting this error. Can anyone help me out? Thanks!

Re: [Discuss-gnuradio] GNU Radio on VMWare

2008-03-26 Thread Michael Dickens
On Mar 26, 2008, at 10:04 AM, Mr. mollasadra wrote: The only remaining question is: how many of those modules that ./ configure said it was skipping am I suppose to get because they are unnecessary (depending on my operating system requirements, sound card, etc) and how many were skipped bec

[Discuss-gnuradio] Best GR-friendly Linux distro ... Ubuntu won !

2008-03-26 Thread mohamed adm
Ubuntu 7.10 Gusty seems to be more GR-friendly than others, I tried it well and everything works fine, but can't find USB info from "lsusb" or "/proc/bus/usb"! any ideas? To install just follow wiki guides at: http://gnuradio.org/trac/wiki/UbuntuInstall For lazy ones, with source just prepare the

Re: [Discuss-gnuradio] OFDM insufficient ports

2008-03-26 Thread Tom Rondeau
Sarang Mandke wrote: I used Tom Rondeau's changeset 7848 and applied it to my current updated code. Currently I am getting a runtime error from ofdm sampler saying that there are "insufficient output ports". Has anyone faced a similar issue? Esp. for OFDM over air, this is a major prob. [ch

Re: [Discuss-gnuradio] OFDM Updates

2008-03-26 Thread Tom Rondeau
CHIN-YA HUANG wrote: Hello Tom, Based on your information below I know the problem will be receiver. However, if I want to solve the receiver's problem. Where is the starting point you suggestion? From the gnu-radio core part? Chin-Ya This problem will be fixed once I get time to merge

Re: [Discuss-gnuradio] OFDM Updates

2008-03-26 Thread CHIN-YA HUANG
Hello Tom, Based on your information below I know the problem will be receiver. However, if I want to solve the receiver's problem. Where is the starting point you suggestion? From the gnu-radio core part? Chin-Ya From: Tom Rondeau Subject:[Discuss-gnuradio] OFDM Updates Date: Thu

RE: [Discuss-gnuradio] GNU Radio on VMWare

2008-03-26 Thread Mr. mollasadra
I knew it was something stupid. After installing everything, (this being on a virtual machine) I forgot to restart the operating system. So after a simple restart, everything seems to work fine now. The only remaining question is: how many of those modules that ./configure said it was sk

Re: [Discuss-gnuradio] a call for a better wiki

2008-03-26 Thread Andrew Back
On 24/3/08 04:41, "Eric Blossom" <[EMAIL PROTECTED]> wrote: <> > Let's come to some kind of agreement on the category list, then edit > the headers of any miscategorized classes, then create the wiki page > linking to the updated docs. I'm wondering if a TiddlyWiki might be a nice way to navigat

[Discuss-gnuradio] Antenna Bias

2008-03-26 Thread ALeX
Hi, I have a DBSRX Rev 2.1, and I must use an active antenna that work at 5v (max 30mA of power consumption). First of all, I try to short J101 and I have 5V without any load, when I try to use this antenna the output voltage go down at 35mV. I decide to test the voltage output where the load is m