disturbance frequency

См. также в других словарях:

• Disturbance storm time index — The disturbance storm time (Dst, Kyoto Dst) index is a measure in the context of space weather. It gives information about the strength of the ring current around earth caused by solar protons and electrons. The ring current around earth produces …   Wikipedia

• Sudden Ionospheric Disturbance — A sudden ionospheric disturbance (SID) is an abnormally high ionization/plasma density in the D region of the ionosphere caused by a solar flare. The SID results in a sudden increase in radio wave absorption that is most severe in the upper… …   Wikipedia

• Very low frequency — or VLF refers to radio frequencies (RF) in the range of 3 kHz to 30 kHz. Since there is not much bandwidth in this band of the radio spectrum, only the very simplest signals are used, such as for radio navigation. Also known as the myriameter… …   Wikipedia

• radio-frequency disturbance — aukštadažnis trikdys statusas T sritis automatika atitikmenys: angl. radio frequency disturbance vok. Hochfrequenzstörung, f rus. радиочастотное возмущение, n pranc. perturbation radioélectrique, f …   Automatikos terminų žodynas

• light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics …   Universalium

• mechanics — /meuh kan iks/, n. 1. (used with a sing. v.) the branch of physics that deals with the action of forces on bodies and with motion, comprised of kinetics, statics, and kinematics. 2. (used with a sing. v.) the theoretical and practical application …   Universalium

• List of EMC directives — The following list outlines a number of EMC standards which are known at the time of writing to be either available or have been made available for public comment. These directives attempt to standardize product safety and performance, in respect …   Wikipedia

• mental disorder — Any illness with a psychological origin, manifested either in symptoms of emotional distress or in abnormal behaviour. Most mental disorders can be broadly classified as either psychoses or neuroses (see neurosis; psychosis). Psychoses (e.g.,… …   Universalium

• sound — sound1 soundable, adj. /sownd/, n. 1. the sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium. 2. mechanical vibrations transmitted through an elastic medium, traveling in air at a… …   Universalium

• Pendulum — This article is about pendulums. For other uses, see Pendulum (disambiguation). Simple gravity pendulum model assumes no friction or air resistance …   Wikipedia

• Slow light — is the literal slowing of the speed of light. It is the propagation of an optical pulse or other modulation of an optical carrier at a very low group velocity. The term is usually only applied when the velocity is at least hundreds of times… …   Wikipedia