FreeFFT

FreeFFT is a free and open source vibration analsys software package.

Features

Simple & Intuitive Interface
Two Column CSV Data Import Compatibility
Time Slicing of Imported Data
Autodetected Sampling Frequency & Nyquist Frequency
RMS, Peak, and Peak-Peak Calculation
Fast Fourier Transform (FFT)
Data Zero Padding
Multitude of Windowing Functions
Export of Resulting Plots and Calculated Data

System Requirements

FreeFFT is compatible with Linux, FreeBSD, MacOS, and Windows systems that have Python 3 installed.

Python Requirements

FreeFFT requires Python 3 and the following packages:

PyQt5
pyqtgraph
numpy
scipy
pandas

Installing

Free FFT can be installed via PIP with the following terminal command:

pip install freefft

Installing & Running

Simply pull the repository or download and extract all files into the directory of your preference. The application is started by running main.py. Optionally, main.py takes an argument to directly open a data file.

Opening the application:

python -m freefft

Opening the application directly with data file:

python -m freefft data.csv

License

This software is released uner GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007.

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

fjpereny / freeFFT