Rate of change — may refer to* Derivative, rate of change in a mathematical function, often a time derivative * Rate of change (technical analysis), a stock market indicator … Wikipedia
rate of change — Date: 1876 a value that results from dividing the change in a function of a variable by the change in the variable < velocity is the rate of change in distance with respect to time > … New Collegiate Dictionary
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 — This article is about the measurement. For the magazine, see Time (magazine). For other uses, see Time (disambiguation). The flow of sand in an hourglass can be used to keep track of elapsed time. It also concretely represents the present as… … Wikipedia
time — I. noun Etymology: Middle English, from Old English tīma; akin to Old Norse tīmi time, Old English tīd more at tide Date: before 12th century 1. a. the measured or measurable period during which an action, process, or condition exists or… … New Collegiate Dictionary
Rate of climb — An F 15 Eagle climbing and releasing flares. In aeronautics, the rate of climb (RoC) is an aircraft s vertical speed the rate of change in altitude. In most ICAO member countries (even in otherwise metric countries), this is usually expressed in… … Wikipedia
Time derivative — A time derivative is a derivative of a function with respect to time, usually interpreted as the rate of change of the value of the function. The variable denoting time is usually written as t,.NotationA variety of notations are used to denote… … Wikipedia
Time in Australia — UTC+08:00 … Wikipedia
Rate of fire — is the frequency at which a specific weapon can fire or launch its projectiles. It is usually measured in rounds per minute (RPM or round/min), or per second (RPS or round/s). Contents 1 Overview 2 Measurement 2.1 Cyclic rate … Wikipedia
Time reversibility — is an attribute of some stochastic processes and some deterministic processes.If a stochastic process is time reversible, then it is not possible to determine, given the states at a number of points in time after running the stochastic process,… … Wikipedia
Time-based pricing — refers to a type offer or contract by a provider of a service or supplier of a commodity, in which the price depends on the time when the service is provided or the commodity is delivered. The rational background of time based pricing is expected … Wikipedia