Three-phase electric power — This article deals with where, how and why three phase is used. For information on the basic mathematics and principles of three phase, see three phase. Three phase electric power is a common method of alternating current electric power… … Wikipedia
Variable gauge axles — (VGA) are axles that allow railway vehicles to pass from tracks of one rail gauge to a different gauge. Variable gauge axles are used to allow the running of trains between Spain and France, Europe and Russia, Kazakhstan and China, and Mongolia… … Wikipedia
Variable valve timing — Variable valve timing, or VVT, is a generic term for an automobile piston engine technology. VVT allows the lift or duration or timing (some or all) of the intake or exhaust valves (or both) to be changed while the engine is in operation. Two… … Wikipedia
Variable displacement — is an automobile engine technology that allows the engine displacement to change, usually by deactivating cylinders, for improved fuel economy. The technology is primarily used in large, multi cylinder engines. Many automobile manufacturers have… … Wikipedia
Variable-order Markov model — Variable order Markov (VOM) models are an important class of models that extend the well known Markov chain models. In contrast to the Markov chain models, where each random variable in a sequence with a Markov property depends on a fixed number… … Wikipedia
Variable Data Intelligent Postscript Printware — (FreeFlow VI Suite (VIPP)) is an open language from Xerox that enables highest performance output of personalized (variable data) PostScript documents [http://vippsupport.xerox.com/eve VIPP Support Forum] VIPP was originally called XGF and it is… … Wikipedia
System of linear equations — In mathematics, a system of linear equations (or linear system) is a collection of linear equations involving the same set of variables. For example,:egin{alignat}{7}3x ; + ; 2y ; ; z ; = ; 1 2x ; ; 2y ; + ; 4z ; = ; 2 x ; + ; frac{1}{2} y ; ; z … Wikipedia
Variable-frequency drive — A variable frequency drive (VFD) is a system for controlling the rotational speed of an alternating current (AC) electric motor by controlling the frequency of the electrical power supplied to the motor.cite book | first=Sylvester J. |… … Wikipedia
Variable-width encoding — This article is about the storage of text in computers. For the transmission of data across noisy channels, see variable length code. A variable width encoding is a type of character encoding scheme in which codes of differing lengths are used to … Wikipedia
Variable Geo — This article refers to the video game series, for the OVAs, see Variable Geo (anime). Variable Geo Front cover of V.G.: Variable Geo for the PC 9801, the first title of the series. Developer(s) Gig … Wikipedia