---
name: "display_qt"
section: "1"
platform: "linux"
package: "gnuradio"
version: "3.10.12.0-18"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/display_qt"
---

# display\_qt(1)

a Gnu Radio Example gr-qtgui

## NAME

display\_qt - a Gnu Radio Example gr-qtgui

## DESCRIPTION

Display a GUI using QT of a sine wave in noise.

Example program instantiates a GNU Radio flow graph using a sine wave source, a noise source, and gr-qtgui blocks. This new (in version 3.7.10) example shows how to build a C++ only QT based application.

## SEE ALSO

http://gnuradio.squarespace.com/examples/tag/qt