翻訳と辞書
Words near each other
・ Time delay toxin activation
・ Time dependent vector field
・ Time deposit
・ Time derivative
・ Time Detectives
・ Time deviation
・ Time dilation
・ Time dilation of moving particles
・ Time discipline
・ Time displacement
・ Time diversity
・ Time division multiple access
・ Time Does Not Heal
・ Time Doesn't Heal
・ Time Doesn't Notice
Time domain
・ Time domain astronomy
・ Time domain electromagnetics
・ Time domain vernier method
・ Time Don't Run Out on Me
・ Time End
・ Time Enough
・ Time Enough at Last
・ Time Enough for Love
・ Time evolution
・ Time evolution of integrals
・ Time Expired
・ Time Expired (1992 film)
・ Time Expired (2011 film)
・ Time exposure


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Time domain : ウィキペディア英語版
Time domain

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.
== Origin of term ==
The use of the contrasting terms ''time domain'' and ''frequency domain'' developed in U.S. communication engineering in the late 1940s, with the terms appearing together without definition by 1950. When an analysis uses the second or one of its multiples as a unit of measurement, then it is in the time domain. When analysis concerns the reciprocal units such as Hertz, then it is in the frequency domain.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Time domain」の詳細全文を読む



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