coherent oscillation

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• Coherent states — In quantum mechanics a coherent state is a specific kind of quantum state of the quantum harmonic oscillator whose dynamics most closely resembles the oscillating behaviour of a classical harmonic oscillator. It was the first example of quantum… …   Wikipedia

• Coherent state — In quantum mechanics a coherent state is a specific kind of quantum state of the quantum harmonic oscillator whose dynamics most closely resemble the oscillating behaviour of a classical harmonic oscillator system. It was the first example of… …   Wikipedia

• coherent pulse radar — A form of pulse radar in which the radio frequency oscillations in a recurrent pulse bear a constant pulse relation to those of a continuous oscillation. Pulse Doppler radar is of this form. Also called coherent radar. A typical layout of… …   Aviation dictionary

• coherent oscillations of particle beam — koherentiniai dalelių pluošto virpesiai statusas T sritis radioelektronika atitikmenys: angl. coherent oscillations of particle beam vok. kohärente Teilchenschwingungen, f rus. когерентные колебания частиц пучка, n pranc. oscillation cohérente… …   Radioelektronikos terminų žodynas

• oscillation cohérente des particules de faisceau — koherentiniai dalelių pluošto virpesiai statusas T sritis radioelektronika atitikmenys: angl. coherent oscillations of particle beam vok. kohärente Teilchenschwingungen, f rus. когерентные колебания частиц пучка, n pranc. oscillation cohérente… …   Radioelektronikos terminų žodynas

• Neural oscillation — is rhythmic or repetitive neural activity in the central nervous system. Neural tissue can generate oscillatory activity in many ways, driven either by mechanisms localized within individual neurons or by interactions between neurons. In… …   Wikipedia

• Squeezed coherent state — In physics, a squeezed coherent state is any state of the quantum mechanical Hilbert space such that the uncertainty principle is saturated. That is, the product of the corresponding two operators takes on its minimum value::Delta x Delta p =… …   Wikipedia

• Madden-Julian oscillation — The Madden Julian Oscillation (MJO) is an equatorial traveling pattern of anomalous rainfall that is planetary in scale. The mechanism and cause of the MJO is as yet not well understood and is a subject of ongoing study.The MJO is characterized… …   Wikipedia

• Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

• Oscillateur paramétrique optique — Un oscillateur paramétrique optique (OPO) est une source de lumière cohérente et monochromatique. À partir d une onde laser de pompe de fréquence ωp, un OPO produit deux ondes de fréquences inférieures : le signal à ωs et le complémentaire à …   Wikipédia en Français