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IEVref:103-06-01ID:
Language:enStatus: Standard
Term: period
Synonym1:
Synonym2:
Synonym3:
Symbol: T
Definition: smallest positive difference between two values of the independent variable at which the values of a periodic quantity are identically repeated

Note 1 to entry: If f(t) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaiqaciWacmGadaGadeaabaGaaqaaaOqaaiaadAgacaGGOaGaam iDaiaacMcaaaa@388F@ denotes a periodic quantity, then f(t+T)=f(t) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaiqaciWacmGadaGadeaabaGaaqaaaOqaaiaadAgacaGGOaGaam iDaiabgUcaRiaadsfacaGGPaGaeyypa0JaamOzaiaacIcacaWG0bGa aiykaaaa@3E8D@ .

Note 2 to entry: The term "period duration" is sometimes used in the case of a function of time.

Note 3 to entry: The symbol T is mainly used for the period when the independent variable is time.


Publication date:2009-12
Source:
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Internal notes:2017-02-20: Editorial revisions in accordance with the information provided in C00020 (IEV 103) - evaluation. JGO
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