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Glossary

  • F

    • FFT

      The Fast Fourier Transformation is an algorithm named after Jean Baptiste Joseph Fourier (Born: 21 March 1768 in Auxerre, Bourgogne, and died on 16 May 1830 in Paris, France). In essence, it decomposes or separates a complex waveform or function into sine waves of different frequency which sum to the original waveform. It identifies or distinguishes the different frequency sine waves and their respective amplitudes.

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    • Filter

      A filter is an electrical circuit which is specifically designed to attenuate or eliminate unwanted frequencies from a broad range of frequencies. They are usually described as Low Pass, Band Pass and High Pass Filters.

    • Frequency

      The frequency of a Sine Wave is the count of the number of cycles performed in a defined period of time. It is commonly measured in ‘Hertz’ (Hz) which are ’cycles per second’ or ‘cycles per minute’ (CPM).