sptool

Signal Processing Toolbox

Interactive digital signal processing tool.

sptool

Description

The sptool command invokes a suite of graphical user interface (GUI) tools that provides access to many of the signal, filter, and spectral analysis functions in the toolbox in a powerful, easy-to-use interactive signal display and exploration environment.

Using sptool, you can import, export, and manage signals, filters, and spectra. From sptool, you can activate its four integrated signal processing tools:

The Signal Browser, for viewing, measuring, and analyzing time-domain information of imported signals:
The Filter Designer, for designing and editing FIR and IIR filters of various lengths and types, with standard (lowpass, highpass, bandpass, and bandstop) configurations:
The Filter Viewer, for viewing the characteristics of a designed or imported filter, including its magnitude response, phase response, group delay, pole-zero plot, impulse response, and step response:
The Spectrum Viewer, for graphical analysis of frequency-domain data using a variety of methods of spectral density estimation, including Welch's method (PSD and CSD), the maximum entropy method (MEM), the multitaper method (MTM), and the MUSIC eigenvector method:

sptool

opens an empty signal, filter, and spectrum management window.

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