phase velocity
21Signal velocity — The signal velocity is the speed at which a wave carries information. It describes how quickly a message can be communicated (using any particular method) between two separated parties. Every signal velocity is always slower than (or equal to)… …
22particle velocity — noun : the velocity with which the individual particles of a medium move when traversed by a wave compare phase velocity * * * Physics. the velocity of a point in a medium that is undergoing wave motion. Cf. group velocity, phase velocity …
23group velocity — /grup vəˈlɒsəti/ (say groohp vuh losuhtee) noun (in waves whose phase velocity varies with wavelength) a non sinusoidal disturbance which will travel at a velocity different from the phase velocity …
24group velocity — Physics. the velocity of finite numbers of waves undergoing simple harmonic motion, equal to the phase velocity when it does not vary with the wavelengths of the waves. The group velocity of the set of waves produced in water when a stone is… …
25particle velocity — Physics. the velocity of a point in a medium that is undergoing wave motion. Cf. group velocity, phase velocity. * * * …
26group velocity — noun : the velocity with which some definite peculiarity of a composite wave train (as an interference maximum) advances through a medium compare phase velocity …
27vitesse de phase des ondes électromagnétiques — 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… …
28vitesse de phase des ondes électromagnétiques — 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… …
29vitesse de phase — fazinis greitis statusas T sritis Standartizacija ir metrologija apibrėžtis Greitis, kuriuo sklinda monochromatinės (begalinės sinusinės) bangos fazė: c = ω/k = λf; čia ω – kampinis dažnis, k – kampinis bangos skaičius, λ – bangos ilgis, f –… …
30vitesse de phase — fazinis greitis statusas T sritis fizika atitikmenys: angl. phase velocity vok. Phasengeschwindigkeit, f rus. фазовая скорость, f pranc. vitesse de phase, f …
