- quasi-periodic
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adj.
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Universalium. 2010.
quasi-periodic
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quasi-periodic quantity — kvaziperiodinis dydis statusas T sritis fizika atitikmenys: angl. almost periodic quantity; quasi periodic quantity vok. fast periodische Größe, f; quasiperiodische Größe, f rus. квазипериодическая величина, f; почти периодическая величина, f… … Fizikos terminų žodynas
Quasi-periodic oscillations — In high energy (X ray) astronomy, quasi periodic oscillations (QPOs) refer to the way the X ray light from an astronomical object flickers about certain frequencies. In these situations, the X rays are emitted near the inner edge of an accretion… … Wikipedia
quasi-periodic — adj … Useful english dictionary
Quasi-biennial oscillation — The QBO (quasi biennial oscillation) is a quasi periodic oscillation of the equatorial zonal wind between easterlies and westerlies in the tropical stratosphere with a mean period of 28 to 29 months. The alternating wind regimes develop at the… … Wikipedia
Quasi-phase-matching — is a technique in nonlinear optics which allows a positive net flow of energy from the pump frequency to the signal and idler frequencies by creating a periodic structure in the nonlinear medium. Momentum is conserved, as is necessary for phase… … Wikipedia
Quasi-Zenith Satellite System — Quasi Zenith satellite orbit QZSS animation The Quasi Zenith Satell … Wikipedia
Periodic poling — is formation of layers with alternate orientation in a birefringent material. The domains are regularly spaced, with period in a multiple of the desired wavelength of operation. The structure is desired to achieve quasi phase matching (QPM) in… … Wikipedia
Quasi-cristal — Un quasi cristal est un solide qui possède un spectre de diffraction essentiellement discret (comme les cristaux classiques) mais dont la structure n est pas périodique (alors que les cristaux classiques sont périodiques). Découverts en avril… … Wikipédia en Français
Quasi-polynomial — In mathematics, a quasi polynomial (pseudo polynomial) is a generalization of polynomials. While the coefficients of a polynomial come from a ring, the coefficients of quasi polynomials are instead periodic functions with integral period. Quasi… … Wikipedia
almost-periodic quantity — kvaziperiodinis dydis statusas T sritis fizika atitikmenys: angl. almost periodic quantity; quasi periodic quantity vok. fast periodische Größe, f; quasiperiodische Größe, f rus. квазипериодическая величина, f; почти периодическая величина, f… … Fizikos terminų žodynas
