- waves group velocity
- prędkość grupowa fali radiowej
English-Polish dictionary of Electronics and Computer Science. 2013.
waves group velocity
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Group 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… … Wikipedia
group 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… … Universalium
group 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 …
Group delay and phase delay — Group delay is a measure of the time delay of the amplitude envelopes of the various sinusoidal components of a signal through a device under test, and is a function of frequency for each component. Phase delay is a similar measure of the time… … Wikipedia
Velocity-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 … Wikipedia
Group 12 element — A group 12 element is one in the series of elements in group 12 (IUPAC style) in the periodic table, consisting of transition metals which are zinc (Zn), cadmium (Cd), mercury (Hg), and ununbium (Uub). When compared with other groups of… … Wikipedia
Dispersion (water waves) — This article is about dispersion of waves on a water surface. For other forms of dispersion, see Dispersion (disambiguation). In fluid dynamics, dispersion of water waves generally refers to frequency dispersion, which means that waves of… … Wikipedia
Lamb waves — propagate in solid plates. They are elastic waves whose particle motion lies in the plane defined by the plate normal and the direction of wave propagation. In 1917, the English mathematician Horace Lamb published his classic analysis and… … Wikipedia
Phase velocity — periodic gravity waves on the surface of deep water. The red dot moves with the phase velocity, and is located at a fixed wave phase: the crest for the case shown.The phase velocity (or phase speed) of a wave is the rate at which the phase of the … Wikipedia
Signal 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)… … Wikipedia
Swihart velocity — Originally, in superconducting transmission lines, the Swihart velocity is the propagation velocity of electromagnetic waves along transmission line.Swihart velocity plays an important role in the physics of long Josephson junctions (LJJ) that,… … Wikipedia
