random fluctuation

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• random fluctuation — /ˌrændəm flʌktʃu eɪʃ(ə)n/ noun unforeseeable deviation from an expected trend …   Marketing dictionary in english

• Fluctuation theorem — The fluctuation theorem (FT) is a theorem from statistical mechanics dealing with the relative probability that the entropy of a system which is currently away from thermodynamic equilibrium (maximum entropy) will increase or decrease over a… …   Wikipedia

• Random dopant fluctuation — (RDF) is a form of process variation resulting from variation in the implanted impurity concentration. In MOSFET transistors, RDF in the channel region can alter the transistor s properties, especially threshold voltage. In newer process… …   Wikipedia

• Fluctuation dissipation theorem — In statistical physics, the fluctuation dissipation theorem is a powerful tool for predicting the non equilibrium behavior of a system such as the irreversible dissipation of energy into heat from its reversible fluctuations in thermal… …   Wikipedia

• Random matrix — In probability theory and mathematical physics, a random matrix is a matrix valued random variable. Many important properties of physical systems can be represented mathematically as matrix problems. For example, the thermal conductivity of a… …   Wikipedia

• fluctuation — noun ADJECTIVE ▪ considerable, large, wide, wild ▪ local, minor, small ▪ rapid ▪ …   Collocations dictionary

• random — adj. VERBS ▪ be, seem ADVERB ▪ completely, entirely, purely, quite, totally ▪ almost …   Collocations dictionary

• Detrended fluctuation analysis — In stochastic processes, chaos theory and time series analysis, detrended fluctuation analysis (DFA) is a method for determining the statistical self affinity of a signal. It is useful for analysing time series that appear to be long memory… …   Wikipedia

• Intervalle de fluctuation —  Ne pas confondre avec la notion d intervalle de confiance. En mathématiques, un intervalle de fluctuation permet de détecter un écart important par rapport à la valeur théorique pour une grandeur établie sur un échantillon. C est un… …   Wikipédia en Français

• Quantum fluctuation — In quantum physics, a quantum fluctuation is the temporary change in the amount of energy in a point in space, arising from Werner Heisenberg s uncertainty principle.According to one formulation of the principle, energy and time can be related by …   Wikipedia

• Timeline of thermodynamics, statistical mechanics, and random processes — A timeline of events related to thermodynamics, statistical mechanics, and random processes. Ancient times *c. 3000 BC The ancients viewed heat as that related to fire. The ancient Egyptians viewed heat as related to origin mythologies. One… …   Wikipedia