Stack Overflow
Stack Overflow

Questions tagged [gnuradio-companion]

GNU Radio Companion (often abbreviated as GRC) is a graphical toolkit to design GNU Radio flowgraphs and whole signal processing algorithms.

GNU Radio Companion (often abbreviated as GRC) is a graphical toolkit to design GNU Radio flowgraphs and whole signal processing algorithms.

It's not an independent project, but is included in GNU Radio. The graphically defined flow graphs get translated into Python source code that instructs GNU Radio to logically connect the blocks used.

328 questions
0
votes
0 answers

can't install gnuradio blocks on windows

Some background - I have been trying to capture a signal from an antenna but only write the data stream to a file sink every say 1 second over the course of a 5 second period. So 1 second write to file, 4 seconds off (as in the data is not being…
Zain
  • 3
  • 2
0
votes
1 answer

gnuradio - handle no stream of data

I am working on GNU radio project and I need block that have two inputs and one output that do the following: 1.transfer the data from the first input to the output. 2.when the stream of data stops on the first input, the block switch to the second…
ohad avraham
  • 33
  • 7
0
votes
1 answer

Gnuradio Companion 3.8.2 from MacPorts not launching quartz in Catalina

I just upgraded to MacOS Catalina, upgraded Xcode, did the xcode-select --install, deleted ports, installed ports, installed quartz, using ports installed gnu radio, LimeSDRsuite and gr-limesdr. gnuradio-config-info -v tells me that I have 3.8.2…
MountainLogic
  • 308
  • 2
  • 11
0
votes
1 answer

How to run python files (.py) generated by gnu-radio companion independently (without GRC GUI)?

I am trying to run the python file generated by GNU Radio Companion (GRC) without using GRC GUI (from Pycharm IDE). I also set the interpreter accordingly, where the gnu radio has been installed (C:\Program…
mukara
  • 97
  • 2
  • 14
0
votes
0 answers

AttributeError: 'rational_resampler_ccc' object has no attribute 'connect' GNUradio

Help solve the problem with GNUradio Traceback (most recent call last): File "/home/pedro/DOPLOM/signal.py", line 166, in main() File "/home/pedro/DOPLOM/signal.py", line 142, in main tb = top_block_cls() File…
Peter
  • 1
0
votes
1 answer

How to set USRP antenna in GNU-radio

I am new in gnu-radio and USRP. I have installed uhd and i can find the USRP-device when running uhd_find_devices However, when I just follow the simple tutorial and construct that graph, there is some error I cannot understand. graph The error…
huimoumou
  • 3
  • 1
0
votes
2 answers

PSK Modulation in GNU Radio in USRP N310

Currently I am working with the Ettus Research's N310 on the implementation of different PSK modulation schemes. I am interested on measuring the Bit Error Rate -BER- for each scheme when I transmit data between two USRPs located one beside the…
Bruce McLaren
  • 1
  • 1
0
votes
0 answers

Need AES encryption in GNU radio

I'm trying to make a simple program in GNU Radio to help understand (and test) the encryption blocks. I have attached a screenshot of my program. Basically, it takes a picture of a cat from a .png file and sends it to another.png file. I sent it…
Devastatin' Dave
  • 1
0
votes
0 answers

Pycharm doesnt import osmosdr to my .py file

I have install gnuradio 3.7 in windows 10, and the gnu radio import works fine in pycharm after adding: C:\Python27\Lib\site-packages, to the path. But the problem it´s when i try to import osmosdr. Do im missing a path,? or i dont have the…
JavierVL
  • 1
  • 1
0
votes
2 answers

Vector Source block in GNU Radio PSK tutorial

I don't understand the inputs in the Vector Source block in the fourth flowchart in the GNU Radio Guided PSK Tutorial. What is behind the three dots? Please state, in full, the input to the Vector line in the first couple of Vector Source blocks so…
Szerry
  • 1
  • 2
0
votes
2 answers

Symbol Sync parameters

I'm trying to implement a flowgraph in gnuradio that is a basic OFDM transceiver to communicate between two USRP devices (Ettus N210). I'm using an Octoclock of National Instruments to have the same clock source for both devices. My problem is that…
user13855006
  • 1
0
votes
1 answer

GNU Radio Companion & multimon-ng: identifier & usefull signal muting

Given is a signal from a NB-FM-Receiver in GNU Radio Companion. This signal consists of a series of identifiers (ending with ZVEI1: 89E9EA) in the ZVEI1 standard and followed by a useful signal. The signal is branched off to multimon-ng through a…
Philipp
  • 33
  • 3
0
votes
2 answers

Why am I getting only zeros out of the VCO block in GNU Radio?

In GNU radio I am trying to use the frequency of one signal to generate another signal of a different frequency. Here is the flow diagram that I am using: I generate a 50 kHz signal with a signal source block and feed this into a Log Power FFT…
Nick
  • 3
  • 1
0
votes
1 answer

GNU Radio 3.8 on Ubuntu 20.04 using WSL: CMake Warning, Build Type Not Specified

Morning All, I am trying to install GNU Radio. I am running a Windows 10 computer where the Windows Subsystem for Linux was installed. Python 3.8.2 is installed. After installing WSL and Ubuntu 20.04 I updated and upgraded: sudo apt-get…
James Hayek
  • 643
  • 3
  • 10
  • 35
0
votes
1 answer

GNU Radio on CentOS missing QT Blocks

I was trying to follow through with GNU Radio Tutorial 2, but I wasn't able to find any of the QT blocks in the library. The tutorial wants me to use QT GUI Time Sink, but it and many similar blocks are missing from my library. What the tutorial…
BanditSpark
  • 1
1 2 3
…
21 22