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:
“I am to be broken. I am to be derided all my life. I am to be cast up and down among these men and women, with their twitching faces, with their lying tongues, like a cork on a rough sea. Like a ribbon of weed I am flung far every time the door opens.”
—Virginia Woolf (1882–1941)
“In the domain of art there is no light without heat.”
—Victor Hugo (1802–1885)