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coherence of frequency

См. также в других словарях:

  • coherence of frequency — dažnio koherentiškumas statusas T sritis radioelektronika atitikmenys: angl. coherence of frequency vok. Frequenzkohärenz, f rus. когерентность частоты, f pranc. cohérence de fréquence, f …   Radioelektronikos terminų žodynas

  • cohérence de fréquence — dažnio koherentiškumas statusas T sritis radioelektronika atitikmenys: angl. coherence of frequency vok. Frequenzkohärenz, f rus. когерентность частоты, f pranc. cohérence de fréquence, f …   Radioelektronikos terminų žodynas

  • Coherence bandwidth — is a statistical measurement of the range of frequencies over which the channel can be considered flat , or in other words the approximate maximum bandwidth or frequency interval over which two frequencies of a signal are likely to experience… …   Wikipedia

  • Coherence (physics) — In physics, coherence is a property of waves that enables stationary (i.e. temporally and spatially constant) interference. More generally, coherence describes all properties of the correlation between physical quantities of a wave. When… …   Wikipedia

  • Coherence (signal processing) — Contents 1 Background 2 Definition and Formulation 3 Example 4 Extension to non stationary signals 5 …   Wikipedia

  • Coherence time — For an electromagnetic wave, the coherence time is the time over which a propagating wave (especially a laser or maser beam) may be considered coherent. In other words, it is the time interval within which its phase is, on average, predictable.… …   Wikipedia

  • Coherence length — In physics, coherence length is the propagation distance from a coherent source to a point where an electromagnetic wave (or wave packet, wave function, etc.) maintains a specified degree of coherence. The significance is that interference will… …   Wikipedia

  • Coherence time (communications systems) — In communications systems, a communication channel may change with time. Coherence time is the time duration over which the channel impulse response is considered to be not varying. Such channel variation is much more significant in wireless… …   Wikipedia

  • Frequency — For other uses, see Frequency (disambiguation). Three cyclically flashing lights, from lowest frequency (top) to highest frequency (bottom). f is the frequency in hertz (Hz), meaning the number of cycles per second. T is the period in seconds (s) …   Wikipedia

  • Coherence (statistics) — In probability theory and statistics, coherence can have two meanings. When dealing with personal probability assessments, or supposed probabilities derived in nonstandard ways, it is a property of self consistency across a whole set of such… …   Wikipedia

  • coherence — /koh hear euhns, her /, n. 1. the act or state of cohering; cohesion. 2. logical interconnection; overall sense or understandability. 3. congruity; consistency. 4. Physics, Optics. (of waves) the state of being coherent. 5. Ling. the property of… …   Universalium

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