Oscilloscope Glossary

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Term Definition
Fast Fourier Transform

Algorithm to compute the discrete Fourier transform (DFT) and its inverse. Converts time (or space) to frequency and vice versa.

FFT

Fast Fourier Transform - algorithm to compute the discrete Fourier transform (DFT) and its inverse. Converts time (or space) to frequency and vice versa.

frequency

Number of cycles over a time period (normally per second). Expressed in Hz.