Re: [Discuss-gnuradio] Bursty transmission in GNURadio 3.7.13.4

2019-04-29 Thread Jiaxin Liang
Hi Martin, We are using the X310 USRPs, and each of them has two channels. The configurations for those two channels are the same except for the center frequency (kind of like an FDMA system). Best regards, Jonathan Martin Braun 于2019年4月30日周二 上午8:44写道: > On Thu, Apr 25, 2019 at 02:28:35PM

Re: [Discuss-gnuradio] Bursty transmission in GNURadio 3.7.13.4

2019-04-29 Thread Martin Braun
On Thu, Apr 25, 2019 at 02:28:35PM +0800, Jiaxin Liang wrote: >Hi, >I have been using the bursty transmission (see here) in GNURadio for USRP >transmission for a while. And we have a stable program running on GNURadio >3.7.10.2 with UHD 3.9.7. >Recently, we are trying to

Re: [Discuss-gnuradio] Shared resource for source and sink blocks

2019-04-29 Thread Martin Braun
On Fri, Apr 26, 2019 at 09:41:00AM +, N. Benes wrote: > So this seems to be a suitable pattern for my case. Nicolas, thanks for responding to your own email! It's a little thing, but it keeps our archives complete, and if someone else runs into this issue, it'll be useful for them. -- M

Re: [Discuss-gnuradio] Question on PMT boolean messages

2019-04-29 Thread Marcus Müller
Hi Ali, causality, our old foe, strikes again! You're trying to emit a message in the constructor. Messages will be delivered to all message acceptors connected to that message port. However, you can't possibly connect the block before the block-holding object exists, i.e. before the constructor

[Discuss-gnuradio] Question on PMT boolean messages

2019-04-29 Thread Ali Dormiani
Hello everyone, I have been attempting to make my own block that sends out a boolean message if certain time related conditions are met. I am unable to figure out why my block does not work. This seems to be the line of interest: *self.message_port_pub(pmt.intern('msg_out'), pmt.PMT_T)* This

Re: [Discuss-gnuradio] Need to install PyQt4.Qwt5

2019-04-29 Thread Chesir, Aaron M.
Folks, Never mind. I found some site that has download & installation instructions. Do any of you have any documentation on the “trigger rising edge event” block? Thanks, Aaron From: Chesir, Aaron M. Sent: Monday, April 29, 2019 12:59 PM To: discuss-gnuradio@gnu.org Subject: Need to install

[Discuss-gnuradio] Need to install PyQt4.Qwt5

2019-04-29 Thread Chesir, Aaron M.
Folks, I am running CentOS, and am trying to run a flowgraph containing a “trigger rising edge event” block. In my attempt to understand this block, the Internet directed me to the only descriptive page available: An attempt at a tutorial by the inventor of the block, at the following URL:

[Discuss-gnuradio] [OT] Old world magic

2019-04-29 Thread Gisle Vanem
I had to share this wonderful video, Student Short Film: "Shortwave": https://www.youtube.com/watch?v=jK2iKtjrYOU A great attempt at an experiment in the "Philosophy of Everyday Life". -- --gv ___ Discuss-gnuradio mailing list