spcore¶ ↑
Description¶ ↑
A library of signal processing methods and classes.
Features¶ ↑
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Resampling (discrete up, down and up/down, polynomial up, and hybrid up/down)
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FFT transform (forward and inverse)
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DFT transform (forward and inverse)
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Windows (Blackman, Hamming, and many more…)
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Windowed sinc filter for lowpass and highpass.
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Dual windowed sinc filter for bandpass and bandstop.
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Interpolation (linear and polynomial)
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Data plotting via gnuplot (must be installed to use).
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Delay line
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Biquad filters
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Envelope detector
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Conversion from dB-linear and linear-dB
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Oscillator with selectable wave type (sine, square, triangle, sawtooth)
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Signal abstraction class
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Extrema & Envelope measurement
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Normalization
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Derivatives
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Correlation
Examples¶ ↑
require 'spcore'
Requirements¶ ↑
Install¶ ↑
$ gem install spcore
Copyright¶ ↑
Copyright © 2013 James Tunnell
See LICENSE.txt for details.