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- GFFT GFFT is an FFT-based spectrum analysis program with many options
- and features including optional logarithmic axes, calibration,
- smoothing, 3D (vs time) analysis, and many FFT window types. By
- operating from stored sample data files (8 or 16-bit in many
- formats), it offers higher resolution and/or accuracy than
- real-time analyzers. High quality spectrum plots can be produced
- on screen, plotter, or printer, or saved to Postscript or TeX
- files. Spectral data can also be output in text form. (GNUPLOT is
- required and is controlled automatically.) Several spectra can be
- shown in the same plot, and spectral data bands from earlier
- sessions can be appended. GFFT can be operated from either a
- Workbench GUI or from a CLI in interactive or batch modes. It has
- built-in help for all operating modes. Version 1.12. C source is
- included. GNU Public License. Author: Charles P. Peterson
-