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Blog Features

The Frequency Xlating FIR Filter Block – Explained

February 27, 2017 by András Retzler

Ever wondered how the Frequency Translating FIR Filter block can be used? Did you know it can be used as a channelizer? Check out this post to learn more….

Blog Development, Features

Behind the Veil: A Peek at GNU Radio’s Buffer Architecture

January 5, 2017 by Marcus Müller

GNU Radio employs a buffer architecture that unites the advantages of the classical ring buffer with the technical feasibility of memory mapped buffering on modern operating system. The different kinds of appro…

Blog Development, Features

Bit Error Rate Testing

November 2, 2016 by Tim O'Shea

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Blog Features

QT GUI Widgets with Message Passing

March 11, 2016 by Tom Rondeau

This widget provides a simple QLineEdit box where we type in values, they get stored as a Python variable, and we pass these variables around like normal GRC variables. When running, updates to the entry box ar…

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Blog Features

New Way of Using ControlPort

October 20, 2015 by Tom Rondeau

I’d like to get us to have more blocks within the GNU Radio main source code that support configuration over ControlPort. We are going to rely heavily on ControlPort for our Android work where the Java applicat…

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Blog Features, Tutorial

QTGUI Tools and Tips

April 12, 2015 by Tom Rondeau

It’s been made apparent to me that not everyone knows about all of the capabilities in the QTGUI plotting tools we have in GNU Radio. We’ve also recently added a number of features that I think people will find…