primary frequency

primary frequency
основная частота

English-Russian dictionary of Arts . 2014.

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  • primary frequency standard — pirminis dažnio standartas statusas T sritis automatika atitikmenys: angl. primary frequency standard vok. Primärfrequenzstandard, m rus. первичный стандарт частоты, m pranc. étalon primaire de fréquence, m …   Automatikos terminų žodynas

  • primary frequency — The radiotelephony frequency assigned to an aircraft as a first choice for air ground communications in a radiotelephony network …   Aviation dictionary

  • Frequency assignment authority — In telecommunication, frequency assignment authority is the power granted an administration, or its designated or delegated leader or agency via treaty or law, to specify frequencies, or frequency bands, in the electromagnetic spectrum for use in …   Wikipedia

  • Primary source — [ [ sources.html Primary, Secondary and Tertiary Sources, UM Libraries] ] [ [ JCU Primary, Secondary Tertiary Sources] ] is a term used in a number of… …   Wikipedia

  • Primary form — is used in surface metrology to refer to the over all shape of a surface which can be measured quantitatively, as contrasted with more local or higher spatial frequency variations in the surface dimensions such as surface waviness or surface… …   Wikipedia

  • Primary auditory cortex — Infobox Brain Name = Primary auditory cortex Latin = GraySubject = GrayPage = Caption = Brodmann areas 41 42 of the human brain. Caption2 = The Primary Auditory Cortex is highlighted in magenta, and has been known to interact with all areas… …   Wikipedia

  • Frequency standard — A frequency standard is a stable oscillator used for frequency calibration or reference. A frequency standard generates a fundamental frequency with a high degree of accuracy and precision. Harmonics of this fundamental frequency are used to… …   Wikipedia

  • Primary time standard — In telecommunications, a primary time standard is a time standard that does not require calibration against another time standard. Note 1: Examples of primary time, ( i.e. , frequency standards) are caesium standards and hydrogen masers. Note 2:… …   Wikipedia

  • Primary field — In theoretical physics, a primary field is a field operator in quantum field theory especially conformal field theory or a theory with supersymmetry that is invariant under the positive frequency modes of the Virasoro algebra or under one half of …   Wikipedia

  • Frequency synthesizer — A frequency synthesizer is an electronic system for generating any of a range of frequencies from a single fixed timebase or oscillator. They are found in many modern devices, including radio receivers, mobile telephones, radiotelephones, walkie… …   Wikipedia

  • Frequency compensation — In electrical engineering, frequency compensation is a technique used in amplifiers, and especially in amplifiers employing negative feedback. It usually has two primary goals: To avoid the unintentional creation of positive feedback, which will… …   Wikipedia

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