Hi Don,
The only supported way to stop transmissions from SDRu Transmitter block is to
insert "zeros" to the signal stream when you do not want to transmit. You need
to keep feeding the transmitter with data (zeros or real data).
The burst mode is designed to enable the use of these blocks when
Ethem,
Inserting zeroes seems to work as far as stopping transmission. To validate
this, we put an Unbuffer block and Simulink Scope block on the SDRu Receiver
Data port to see what the receiver is putting into our model. We tried several
experiments with sending one frame, two frames, four fra
Hi Don,
First of all, I would use Time Scope without Unbuffer instead of Simulink
Scope. It will be much faster.
Can you send a picture of the model(s) you use for this test? Do you monitor
the underrun and overrun ports to make sure that the model runs in real-time?
What is the sample rate (ma
Hi,
I am using an Ettus X310 with a twin RX card. How do I configure this card to
use an external 10MHz clock? In GNU Radio I have changed the LO source of the
RFNoC radio block to external, but this results in strange behavior:
If I inject a CW tone into the twin RF and observe the output on
Hello Andy,
The LO source is for an external or internal RF source and is fed directly
to the mixers. You are looking for the set_clock_source call which will
allow you to set the USRP to use an external 10 MHz reference.
Regards,
Derek
On Thu, Jan 25, 2018 at 7:53 PM, Andrew Thommesen via USRP-
Hi Martin,
Thank you for verifying my code I was able to put in debugging printf
statements, and was able to figure out what was wrong (although I couldn't get
the GR logging statements like debug to show). The message was indeed getting
to the UHD sink, but I realized that I needed to also spe
Hi Zhongyuan,
CMake couldn't determine the Git hash. Not sure why that is; it should say
something like "Working off of feature or development branch. Updating
version number." Is there a .git/ directory in your UHD source directory?
It looks like the CMake module FindPythonLibs [1] can't find yo
This is just a guess, but you may want to try:
sudo apt-get install python-dev
Ron
On 01/24/2018 10:17 AM, Zhongyuan Zhao via USRP-users wrote:
Python2.7-dev is already installed, here is the full cmake print
==
➜ build cmake ..
--
-- Configuring the python interpreter...
-- Python interprete
Hi all,
I am trying to attach the USRP B210 as a radio frontend to that of a VM (Ubuntu
16.04 OS) since my ENb is hosted in that VM. When I run uhd_find_devices , I am
able to see the device attached with the VM, but then when I run uhd_usrp_probe
below is the error encountered.
ubuntu@rack
I updated Ubuntu 14.04 LTS to 16.04 LTS, then the cmake passed with
python-api enabled.
Zhongyuan Zhao
PhD Candidate,
Department of Computer Science & Engineering,
University of Nebraska-Lincoln
Office Hour: WF 9:30-10:00am, Avery Hall 12,
Suite 117, Schorr Center,
Lincoln, Nebraska 68588-0115
10 matches
Mail list logo
