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It looks like Albert Michelson's Harmonic Analyzer: see https://engineerguy.com/fourier/ https://engineerguy.com/fourier/ (and don’t miss the accompanying video
by bradrn 4y ago
It looks like Albert Michelson's Harmonic Analyzer: see https://engineerguy.com/fourier/ https://engineerguy.com/fourier/ (and don’t miss the accompanying video series! It’s pretty cool.)