{"data":{"fields":"term_definition","term_definition":"<div class=\"definition\">A mathematical technique in which a waveform is separated into a series of sine waves having amplitude and phase relationships such that the summation of the sine waves equals the original waveform being analyzed. Fourier analysis can be accurately approximated by digital computer methods and by electronic filtering techniques.<\/div><div class=\"align align-image align-left\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"><img src=\"https:\/\/www.gleason.com\/images\/LH6qWh.956f\/544w\/FFT.jpg\" alt=\"FFT\"><\/div>"}}