phase velocity
11Velocity-addition formula — In physics, a velocity addition formula is an equation that relates the velocities of moving objects in different reference frames. Contents 1 Galilean addition of velocities 2 Special theory of relativity 3 Derivation …
12phase speed of electromagnetic waves — fazinis elektromagnetinių bangų greitis statusas T sritis Standartizacija ir metrologija apibrėžtis Greitis, kuriuo sklinda elektromagnetinių bangų fazė. atitikmenys: angl. phase speed of electromagnetic waves; phase velocity of electromagnetic… …
13phase speed of electromagnetic waves — fazinis elektromagnetinių bangų greitis statusas T sritis fizika atitikmenys: angl. phase speed of electromagnetic waves; phase velocity of electromagnetic waves rus. фазовая скорость электромагнитных волн, f pranc. vitesse de phase des ondes… …
14Phase space — In mathematics and physics, a phase space, introduced by Willard Gibbs in 1901, is a space in which all possible states of a system are represented, with each possible state of the system corresponding to one unique point in the phase space. For… …
15Phase-locked loop — PLL redirects here. For other uses, see PLL (disambiguation). A phase locked loop or phase lock loop (PLL) is a control system that generates an output signal whose phase is related to the phase of an input reference signal. It is an electronic… …
16Phase 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… …
17Phase of vibration — Vibration Vi*bra tion, n. [L. vibratio: cf. F. vibration.] 1. The act of vibrating, or the state of being vibrated, or in vibratory motion; quick motion to and fro; oscillation, as of a pendulum or musical string. [1913 Webster] As a harper lays… …
18velocity microphone — noun : a microphone (as the ribbon microphone) whose very light and flexible diaphragm follows almost without phase lag the air movements in the sound waves that actuate it * * * a microphone in which the output varies according to the… …
19Group velocity — [ Frequency dispersion in bichromatic groups of gravity waves on the surface of deep water. The red dot moves with the phase velocity, and the green dots propagate with the group velocity. In this deep water case, the phase velocity is twice the… …
20Wave velocity — is a wave property, which may refer to: *phase velocity, the velocity at which a wave phase propagates at a certain frequency *group velocity, the propagation velocity for the envelope of wave groups and often of wave energy, different from the… …
