characteristic time

См. также в других словарях:

• Characteristic time — The characteristic time is an estimate of the order of magnitude of the reaction time scale. It can loosely be defined as the inverse of the reaction rate. In chemistry, the characteristic time is used to determine whether the problem needs to be …   Wikipedia

• characteristic time — būdingasis laikas statusas T sritis fizika atitikmenys: angl. characteristic time vok. charakteristische Zeit, f rus. характеристическое время, n pranc. temps caractéristique, m …   Fizikos terminų žodynas

• Time in physics — In physics, the treatment of time is a central issue. It has been treated as a question of geometry. One can measure time and treat it as a geometrical dimension, such as length, and perform mathematical operations on it. It is a scalar quantity… …   Wikipedia

• time — [tīm] n. [ME < OE tima, prob. < IE * dī men < base * dā(i) , to part, divide up > TIDE1] I duration; continuance 1. indefinite, unlimited duration in which things are considered as happening in the past, present, or future; every… …   English World dictionary

• Time-domain reflectometry — or TDR is a measurement technique used to determine the characteristics of electrical lines by observing reflected waveforms. Time domain transmissometry (TDT) is an analogous technique that measures the transmitted (rather than reflected)… …   Wikipedia

• Time travel in fiction — Time travel is a common theme in science fiction and is depicted in a variety of media. Literature Time travel can form the central theme of a book, or it can be simply a plot device. Time travel in fiction can ignore the possible effects of the… …   Wikipedia

• Time — • Article explores two questions, What are the notes, or elements, contained in the subjective representation of time? and To what external reality does this representation correspond? Catholic Encyclopedia. Kevin Knight. 2006. Time     Time …   Catholic encyclopedia

• Time-frequency analysis — is a body of techniques for characterizing and manipulating signals whose component frequencies vary in time, such as transient signals.Whereas the technique of the Fourier transform can be used to obtain the frequency spectrum of a signal whose… …   Wikipedia

• time — ► NOUN 1) the indefinite continued progress of existence and events in the past, present, and future, regarded as a whole. 2) a point of time as measured in hours and minutes past midnight or noon. 3) the favourable or appropriate moment to do… …   English terms dictionary

• Characteristic function (probability theory) — The characteristic function of a uniform U(–1,1) random variable. This function is real valued because it corresponds to a random variable that is symmetric around the origin; however in general case characteristic functions may be complex valued …   Wikipedia

• Characteristic polynomial — This article is about the characteristic polynomial of a matrix. For the characteristic polynomial of a matroid, see Matroid. For that of a graded poset, see Graded poset. In linear algebra, one associates a polynomial to every square matrix: its …   Wikipedia