double Doppler effect

См. также в других словарях:

• Doppler effect — /dop leuhr/, Physics. (often l.c.) the shift in frequency (Doppler shift) of acoustic or electromagnetic radiation emitted by a source moving relative to an observer as perceived by the observer: the shift is to higher frequencies when the source …   Universalium

• Doppler cooling — is a mechanism that can be used to trap and cool atoms. The term is sometimes used synonymously with laser cooling, though laser cooling includes other techniques. Contents 1 History 2 Brief Explanation 3 Detailed Explanation …   Wikipedia

• Doppler — Johann Christian, Austrian mathematician and physicist, 1803–1853. See D. echocardiography, D. effect, D. phenomenon, D. shift, D. ultrasonography. A diagnostic instrument that emits an ultrasonic beam into the body; the ultrasound reflected from …   Medical dictionary

• Doppler, Christian — ▪ Austrian physicist born Nov. 29, 1803, Salzburg, Austria died March 17, 1853, Venice       Austrian physicist who first described how the observed frequency of light and sound waves is affected by the relative motion of the source and the… …   Universalium

• effect — The result or consequence of an action. [L. efficio, pp. effectus, to accomplish, fr. facio, to do] abscopal e. a reaction produced following irradiation but occurring outside the zone of actual radiation absorption. additive e. an e. wherein two …   Medical dictionary

• Evershed effect — The Evershed effect, named after the Britist astronomer John Evershed, is the radial flow of gas across the photospheric surface of the penumbra of sunspots from the inner border with the umbra towards the outer edge.The speed varies from around… …   Wikipedia

• electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …   Universalium

• spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …   Universalium

• 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

• cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …   Universalium

• Twin paradox — In physics, the twin paradox is a thought experiment in special relativity, in which a twin makes a journey into space in a high speed rocket and returns home to find he has aged less than his identical twin who stayed on Earth. This result… …   Wikipedia