[Discuss-gnuradio] pfb clock sync

2012-02-13 Thread Nick Foster
Hi all, I've been doing some stuff with the pfb clock sync for GMSK (my AIS app again) and had a couple questions. First, a sanity check so you can tell me if I'm just nuts: BT = 0.35 self.filtersections = 32 self.tapspersection = 20 self.clockrec_sps = 1 gain_mu = 0.03 self._samples_per_symbol =

Re: [Discuss-gnuradio] merging gnuradio repos

2012-02-13 Thread Tom Rondeau
On Sat, Feb 11, 2012 at 3:51 AM, Peter wrote: > Hello, > > I have recently updated both the uhd and gnuradio from an older version. > I cannot run my python files in this newer version. I see some of the file > locations in gnuradio have changed. > And there are multiple such error instances when

Re: [Discuss-gnuradio] How does the gr.enable_realtime_scheduling() affect flow graph? How to avoid receive own data?

2012-02-13 Thread Tom Rondeau
On Mon, Feb 13, 2012 at 3:04 PM, Zhonghua wrote: > ** > Hi all, > > I applied Josh's new block "stream_selector", it is a great selector which > allow to set dynamic path without stop flow. But I still have some problem > with my flow graph. That is a issue relating to > gr.enable_realtime_schedu

[Discuss-gnuradio] gr-howto installation issue

2012-02-13 Thread Achilleas Anastasopoulos
I am building the latest gnuradio source from trunk using "cmake" and everything is fine. Then I try to build gr-howto It seems that this cannot be built with Cmake and that there is a conflict when i try to build it with make. The error i get is shown below. If I try to download the latest tarba

[Discuss-gnuradio] How does the gr.enable_realtime_scheduling() affect flow graph? How to avoid receive own data?

2012-02-13 Thread Zhonghua
Hi all, I applied Josh's new block "stream_selector", it is a great selector which allow to set dynamic path without stop flow. But I still have some problem with my flow graph. That is a issue relating to gr.enable_realtime_scheduling(). I use signal from another process to control the open

Re: [Discuss-gnuradio] Using PPS as a sampling trigger

2012-02-13 Thread Josh Blum
On 02/13/2012 08:21 AM, rmsrms1987 wrote: > > Hello Everyone, > > I am a relatively new user to the USRP2 and currently would like to make > some changes to how an external PPS signal is deciphered. As of now, I > believe that once the first rising edge of a PPS signal is detected, the > USRP

Re: [Discuss-gnuradio] Three different USRP2 nodes are transmitting with almost exactly 1 MHz frequency offset

2012-02-13 Thread Ben Hilburn
Hi all - I'm glad the update fixed it for you! Cheers, Ben On Sat, Feb 11, 2012 at 3:56 PM, shantharam balasubramanian < shantharam...@gmail.com> wrote: > Hi Ben, > > I am happy to hear from Nazmul that the image works. > > > > > Thanks a lot for your help. > > > Have a nice weekend > _

[Discuss-gnuradio] Using PPS as a sampling trigger

2012-02-13 Thread rmsrms1987
Hello Everyone, I am a relatively new user to the USRP2 and currently would like to make some changes to how an external PPS signal is deciphered. As of now, I believe that once the first rising edge of a PPS signal is detected, the USRP2 will continually collect data until it is programmed to

[Discuss-gnuradio] TypeError while using packet_sink

2012-02-13 Thread anay tuljapurkar
Hey, I am trying to incorporate a packet_sink into my project and everytime i do so, i receive the following error message : TypeError : in method 'packet_sink', argument 1 of type 'std::vector> const &' , and i am trying to draw the default_access_code mentioned in the packet_utils module w

Re: [Discuss-gnuradio] WBX Transmit Power Issue

2012-02-13 Thread Reginald Cornwallice
Yes, I am sure I am connected to the right connector. My carrier is in the 800 MHz band. Thank you, Reginald. On Fri, Feb 10, 2012 at 4:51 PM, Ed Criscuolo wrote: > I know this is a stupid question, but I've been bitten by this before: > > Are you SURE you're cabled to the Tx/Rx connector and no