16 lines
384 B
JavaScript
16 lines
384 B
JavaScript
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var FFT = numerics.fft;
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var signal = [1,0,1,0];
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var phasors = FFT.fft(signal);
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log(phasors);
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var frequencies = FFT.fftFreq(phasors, 8000), // Sample rate and coef is just used for length, and frequency step
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magnitudes = FFT.fftMag(phasors);
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var both = frequencies.map(function (f, ix) {
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return {frequency: f, magnitude: magnitudes[ix]};
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});
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log(inspect(both));
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