phase+vector

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• Vector control (motor) — Vector control (also called Field Oriented Control, FOC) is one method used in variable frequency drives to control the torque (and thus finally the speed) of three phase AC electric motors by controlling the current fed to the machine.MethodThe… …   Wikipedia

• Vector field reconstruction — [ [http://prola.aps.org/pdf/PRE/v51/i5/p4262 1 Global Vector Field Reconstruction from a Chaotic Experimental Signal in Copper Electrodissolution.] Letellier C, Le Sceller L , Maréchal E, Dutertre P, Maheu B, Gouesbet G, Fei Z, Hudson JL.… …   Wikipedia

• Vector soliton — Among all the soliton considered, the optical soliton draws the most attention as it is possible to generate ultrafast pulses and has wider application. optical soliton can be classified as two groups:temporal soliton and spatial soliton.however …   Wikipedia

• Vector group — A Vector group is the International Electrotechnical Commission (IEC) method of categorizing the primary and secondary winding configurations of three phase transformers. Within a polyphase system power transformer it indicates the windings… …   Wikipedia

• Phase-type distribution — Probability distribution name =Phase type type =density pdf cdf parameters =S,; m imes m subgenerator matrixoldsymbol{alpha}, probability row vector support =x in [0; infty)! pdf =oldsymbol{alpha}e^{xS}oldsymbol{S}^{0} See article for details… …   Wikipedia

• Phase plane — A phase plane is a visual display of certain characteristics of certain kinds of differential equations.Certain systems of differential equations can be written in the form::dx/dt = Cx where C may be any combination of constants in order to… …   Wikipedia

• Phase transition — This diagram shows the nomenclature for the different phase transitions. A phase transition is the transformation of a thermodynamic system from one phase or state of matter to another. A phase of a thermodynamic system and the states of matter… …   Wikipedia

• Phase shift module — A phase shifter is a microwave network which provides a controllable phase shift of the RF signal [Microwave Solid State Circuit Design, 2nd Ed., by Inder Bahl and Prakash Bhartia, John Wiley Sons, 2003 (Chapter 12)‏] [RF MEMS Theory, Design and… …   Wikipedia

• Phase inversion — A phase inversion is the introduction of a phase difference of 180° into a waveform. As such, it is more properly called a polarity inversion, as phase can differ relative to frequency but polarity is absolute.For example, in a push pull power… …   Wikipedia

• Phase angle — In the context of vectors and phasors, the term phase angle refers to the angular component of the polar coordinate representation. The notation Aang ! heta, for a vector with magnitude (or amplitude ) A and phase angle θ, is called angle… …   Wikipedia

• Phase space method — In applied mathematics, the phase space method is a technique for constructing and analyzing solutions of dynamical systems, that is, solving time dependent differential equations. The method consists of first rewriting the equations as a system… …   Wikipedia