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Version du 15 décembre 2020 à 18:10
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Frequency Domain
The Frequency Domain refers to the analytic space in which mathematical functions or signals are conveyed in terms of frequency, rather than time. For example, where a time-domain graph may display changes over time, a frequency-domain graph displays how much of the signal is present among each given frequency band. It is possible, however, to convert the information from a time-domain to a frequency-domain. An example of such transformation is a Fourier transform. The Fourier transform converts the time function into a set of sine waves that represent different frequencies. The frequency-domain representation of a signal is known as the "spectrum" of frequency components.
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