Time domain is the analysis of mathematical functions, physical signals or time series of economic or environmental data, with respect to time. In the time domain, the signal or function's value is known for all real numbers, for the case of continuous time, or at various separate instants in the case of discrete time. An oscilloscope is a tool commonly used to visualize real-world signals in the time domain. A time-domain graph shows how a signal changes with time, whereas a frequency-domain graph shows how much of the signal lies within each given frequency band over a range of frequencies.
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Famous quotes containing the words time and/or domain:
“Women have a hard time of it in this world. They are oppressed by man-made laws, man-made social customs, masculine egoism, the delusion of masculine superiority. Their one comfort is the assurance that, even though it may be impossible to prevail against man, it is always possible to enslave and torture a man.”
—H.L. (Henry Lewis)
“You are the harvest and not the reaper
And of your domain another is the keeper.”
—John Ashbery (b. 1927)