- hydrogen maser clock
- HMC, hydrogen maser clockВМЧ, водородные мазерные часы
English-Russian dictionary of program "Mir-Shuttle". С.В. Курбатов.. 2015.
hydrogen maser clock
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Hydrogen maser — A Hydrogen maser, also known as hydrogen frequency standard, is a specific type of maser that uses the intrinsic properties of the hydrogen atom to serve as a precision frequency reference.Both the proton and electron of a hydrogen atom have… … Wikipedia
Maser — For other uses, see Maser (disambiguation). A hydrogen radio frequency discharge, the first element inside a hydrogen maser (see description below) A maser is a device that produces coherent electromagnetic waves through amplification by… … Wikipedia
maser — /may zeuhr/, n. a device for amplifying electromagnetic waves by stimulated emission of radiation. Cf. laser. [1950 55; m(icrowave) a(mplification by) s(timulated) e(mission of) r(adiation)] * * * Device that produces and amplifies… … Universalium
Atomic clock — Nuclear clock redirects here. For the clock as a measure for risk of catastrophic destruction, see Doomsday Clock. For a clock updated by radio signals (commonly but inaccurately called an atomic clock ), see Radio clock. For the album by Zion I … Wikipedia
Atomic Clock Assembly in Space — Externe Forschungsplattformen am Columbus Raumlabor Das Atomic Clock Ensemble in Space (kurz: ACES) ist eines der externen Experimentallabore, die am Columbus Raumlabor, dem Wissenschaftslabor der ESA für die Internationale Raumstation, befestigt … Deutsch Wikipedia
Atomic Clock Ensemble in Space — Externe Forschungsplattformen am Columbus Raumlabor Das Atomic Clock Ensemble in Space (kurz: ACES) ist eines der externen Experimentallabore, die am Columbus Raumlabor, dem Wissenschaftslabor der ESA für die Internationale Raumstation, befestigt … Deutsch Wikipedia
Marshall Space Flight Center — George C. Marshall Space Flight Center Aerial view of the test area at MSFC … Wikipedia
Tests of general relativity — General relativity Introduction Mathematical formulation Resources Fundamental concepts … Wikipedia
Timeline of gravitational physics and relativity — Timeline of gravitational physics and general relativity* 800s Ja far Muhammad ibn Mūsā ibn Shākir hypothesizes that the heavenly bodies and celestial spheres are subject to the same laws of physics as Earth, unlike the ancients who believed that … Wikipedia
Gravity Probe A — (GP A) was a space based experiment to test Einstein s theory of general relativity performed jointly by the Smithsonian Astrophysical Observatory and the National Aeronautics and Space Administration. It sent a hydrogen MASER, a kind of highly… … Wikipedia
Modern searches for Lorentz violation — Important motivations for modern searches for Lorentz violation are deviations from Lorentz invariance (and thus special relativity) predicted by some variations of quantum gravity, string theory, and some alternatives to general relativity.… … Wikipedia
