schneider42 / inspectrum

Signal analyser

Geek Repo:Geek Repo

Github PK Tool:Github PK Tool

inspectrum

inspectrum is a tool for analysing captured signals, primarily from software-defined radio receivers.

inspectrum screenshot

Try it

Prerequisites

  • qt5
  • fftw 3.x
  • cmake
  • pkg-config

Building on Debian-based distros

sudo apt-get install qt5-default libfftw3-dev cmake pkg-config
mkdir build
cd build
cmake ..
make
sudo make install

Building on OSX

brew install qt5 fftw cmake pkg-config
mkdir build
cd build
CMAKE_PREFIX_PATH=$(brew --prefix qt5)/lib/cmake cmake ..
make install

Run

./inspectrum

Currently inspectrum can only read files with interleaved (complex) 32-bit floats, such as those produced by GNURadio or osmocom_fft.

Features

  • Spectrogram with zoom/pan
  • Large (multi-gigabyte) file support

Goals

  • Be fast and light
  • Make as many settings as possible work in realtime. I want this to be a useful tool for visually learning about DSP by tweaking around with things like FFT settings, filter widths or clock synchronisation.
  • Support large files - as large as possible, but at least several GBs.
  • Future features: filtering, demodulation, clock sync. Probably based on GNURadio.

Contact

  • #inspectrum on freenode IRC

About

Signal analyser

License:GNU General Public License v3.0


Languages

Language:C++ 82.8%Language:CMake 17.2%