Re: [Discuss-gnuradio] Discuss-gnuradio Digest, Vol 102, Issue 11

2011-05-10 Thread Bruce McGuffin
Martin Braun wrote On Mon, May 09, 2011 at 11:33:32AM -0700, Colby Boyer wrote: One of big reasons I think that people struggle with GNURadio is that is jams so many different fields of expertise into one package. 1. Digital Comms people (aka the Maths people) cannot program themselves out of

Re: [Discuss-gnuradio] start_rx_streaming_at patch

2009-09-18 Thread Bruce McGuffin
Doug And what is VRT code? I googled VRT, but the choices I got were: Vestibular Rehabilitation Therapy Vulnerability Research Team Vlaamse Radio- en Televisieomroep (my personal favorite) or Video Round Table Bruce Douglas Geiger wrote: Bruce, In the firmware directory the importa

Re: [Discuss-gnuradio] start_rx_streaming_at patch

2009-09-17 Thread Bruce McGuffin
Doug What I really want most right now, is a usrp2 function that resets all the buffers, data storage, counters, etc at the start of a data collect. Does start_rx_streaming_at do that? (Later I'll also need it to allow me to set the start time.) And how is the start time specified? Is it just a

Re: [Discuss-gnuradio] start_rx_streaming_at patch

2009-09-17 Thread Bruce McGuffin
email to to me bounced as you swapped an underscore for the period. Doug On Thu, Sep 17, 2009 at 11:28 AM, Bruce McGuffin wrote: Hi A while ago, Doug Geiger wrote on this group that he had written a patch to create a function start_rx_streaming_at, which is like start_rx_streaming but begins

[Discuss-gnuradio] start_rx_streaming_at patch

2009-09-17 Thread Bruce McGuffin
Hi A while ago, Doug Geiger wrote on this group that he had written a patch to create a function start_rx_streaming_at, which is like start_rx_streaming but begins at a specified time synchronized with the PPS, and that the patch could be found at http://drop.io/9eljrue Yesterday I downloaded t

Re: [Discuss-gnuradio] USRP2 Filtering/Decimation Question

2009-09-04 Thread Bruce McGuffin
Matt Ettus wrote: Bruce McGuffin wrote: Hi When I specify a particular receiver decimation rate for the USRP2, the task of decimating is presumably split up between the CIC and two half-band filters. My question is how is the task split up, and where in the code does this happen? If

[Discuss-gnuradio] USRP2 Filtering/Decimation Question

2009-09-04 Thread Bruce McGuffin
Hi When I specify a particular receiver decimation rate for the USRP2, the task of decimating is presumably split up between the CIC and two half-band filters. My question is how is the task split up, and where in the code does this happen? Bruce __

Re: [Discuss-gnuradio] Half-Band Filter Module Output Clipping?

2009-09-03 Thread Bruce McGuffin
Matt Ettus wrote: Bruce McGuffin wrote: Hi I've been looking at the USRP2 filter characteristics, to see if it will work for me. After going through the half-band filter code (hb_dec.v from gnu-radio 3.2) I understand what the filter coefficients are, but I have a question abou

[Discuss-gnuradio] Half-Band Filter Module Output Clipping?

2009-09-02 Thread Bruce McGuffin
Hi I've been looking at the USRP2 filter characteristics, to see if it will work for me. After going through the half-band filter code (hb_dec.v from gnu-radio 3.2) I understand what the filter coefficients are, but I have a question about the output from this module. Near the end of the mod

Re: Re: [Discuss-gnuradio] MIMO Question

2009-08-17 Thread Bruce McGuffin
Eric Blossom wrote: On Fri, Aug 14, 2009 at 04:55:56PM -0400, Bruce McGuffin wrote: A while ago (Nov. 14, 2008) Matt talked about using a USRP2 with two antennas and two external radio receivers driving the basicRx. My question is, is it possible to do that if the external radio IF and

[Discuss-gnuradio] MIMO Question

2009-08-14 Thread Bruce McGuffin
A while ago (Nov. 14, 2008) Matt talked about using a USRP2 with two antennas and two external radio receivers driving the basicRx. My question is, is it possible to do that if the external radio IF and bandwidth are too high to sample at 25 MHz without mixing the signal to a lower freqeuncy firs

Re: [Discuss-gnuradio] Installing Gnu Radio 3.2 on centOS machine

2009-02-26 Thread Bruce McGuffin
r-audio-windows gr-comedi gr-qtgui grc These components will not be built Johnathan Corgan wrote: On Thu, Feb 26, 2009 at 12:14 PM, Bruce McGuffin wrote: (for some reason our firewall doesn't like SVN). Many don't. Subversion uses portions of the HTTP spec that aren't

Re: [Discuss-gnuradio] Installing Gnu Radio 3.2 on centOS machine

2009-02-26 Thread Bruce McGuffin
wrote: On Tue, Feb 24, 2009 at 2:08 PM, Bruce McGuffin wrote: Does anybody know what the problem is? What is compile-mbh.scm, and why wasn't it part of the gnu radio download? You've found a bug in the tarball generation for release 3.2rc0, thanks. It's easily fixed, b

[Discuss-gnuradio] Installing Gnu Radio 3.2 on centOS machine

2009-02-24 Thread Bruce McGuffin
Hi I'm trying to get gnuradio version 3.2 installed on an old computer that is now running the centOS 5.2 operating system. It appears that centOS is missing a lot of the features found in other versions of Linux, but after a lot of work the configure now runs. When I try to run make, it cau