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1 coherence distance
расстояние когерентности
Минимальное пространственное расстояние, на которое должны быть разнесены антенны для того, чтобы принимаемые сигналы были слабо коррелированы, т.е. их коэффициент взаимной когерентности становится ниже своего минимально-допустимого значения.
[Л.М. Невдяев. Телекоммуникационные технологии. Англо-русский толковый словарь-справочник. Под редакцией Ю.М. Горностаева. Москва, 2002]Тематики
- электросвязь, основные понятия
EN
Англо-русский словарь нормативно-технической терминологии > coherence distance
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2 coherence distance
Электроника: длина когерентности -
3 coherence distance
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4 coherence distance
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5 coherence distance
The New English-Russian Dictionary of Radio-electronics > coherence distance
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6 coherence distance
English-Russian dictionary of electronics > coherence distance
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7 pippard coherence distance
Электроника: пиппардовская длина когерентностиУниверсальный англо-русский словарь > pippard coherence distance
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8 Pippard coherence distance
свпр пиппардовская длина когерентностиEnglish-Russian electronics dictionary > Pippard coherence distance
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9 Pippard coherence distance
свпр. пиппардовская длина когерентностиThe New English-Russian Dictionary of Radio-electronics > Pippard coherence distance
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10 pippard coherence distance
English-Russian dictionary of electronics > pippard coherence distance
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11 distance
1) расстояние; длина2) дальность3) промежуток; интервал (напр. временной)•- break distance
- code distance
- coherence distance
- correlation distance
- creep distance
- creepage distance
- Debye shielding distance
- diffusion distance
- disruptive distance
- electrical distance
- Euclidian distance
- expected Hamming distance
- flashover distance
- focal distance
- Frechet distance
- fuzzy distance
- great circle distance
- hailing distance
- Hamming distance
- helix pitch distance
- horizon distance
- Housdorf distance
- hyperfocal distance
- image distance
- interaction distance
- jump distance
- lattice distance
- line-of-sight distance - Mahalanobis distance
- Manhattan distance
- object distance
- optical distance
- Pippard coherence distance
- propagation distance
- relaxation distance
- rhumb-line distance
- scale distance
- Shoran distance
- shouting distance
- signal distance
- skip distance
- slant distance
- social distance
- striking distance
- unicity distance
- vector distance
- viewing distance -
12 distance
1) расстояние; длина2) дальность3) промежуток; интервал (напр. временной)•- break distance
- code distance
- coherence distance
- correlation distance
- creep distance
- creepage distance
- Debye shielding distance
- diffusion distance
- disruptive distance
- electrical distance
- Euclidian distance
- expected Hamming distance
- flashover distance
- focal distance
- Frechet distance
- fuzzy distance
- great circle distance
- hailing distance
- Hamming distance
- helix pitch distance
- horizon distance
- Housdorf distance
- hyperfocal distance
- image distance
- interaction distance
- jump distance
- lattice distance
- line-of-sight distance
- long distance
- loxodromic distance
- Mahalanobis distance
- Manhattan distance
- object distance
- optical distance
- Pippard coherence distance
- propagation distance
- relaxation distance
- rhumb-line distance
- scale distance
- Shoran distance
- shouting distance
- signal distance
- skip distance
- slant distance
- social distance
- striking distance
- unicity distance
- vector distance
- viewing distanceThe New English-Russian Dictionary of Radio-electronics > distance
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13 distance
fдистанция, расстояние; промежуток- distance d'amorçage
- distance angulaire
- distance apparente
- distance d'approche
- distance d'arrêt
- distance d'atténuation
- distance d'atterrissage
- distance d'audibilité
- distance d'axes
- distance calculée
- distance de cohérence
- distance de Debye
- distance d'éclatement
- distance d'emploi
- distance explosive
- distance focale
- distance de frottement
- distance géodésique
- distance de glissement
- distance interatomique
- distance interélectrodes
- distance interpolaire
- distance intranucléaire
- distance maximum franchissable
- distance de mesure
- distance normale de vision
- distance objet-image
- distance parcourue
- distance des pôles
- distance principale
- distance de prise
- distance de prise de vue
- distance de prise de vues
- distance de protection
- distance de rebondissement
- distance de roulement au décollage
- distance de séparation
- distance de stoppage
- distance de sûreté
- distance de transmission
- distance de visibilité
- distance de vision
- distance zénithale -
14 distance de cohérence
опт. длина когерентностиDictionnaire polytechnique Français-Russe > distance de cohérence
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15 distance de cohérence
сущ.опт. длина когерентностиФранцузско-русский универсальный словарь > distance de cohérence
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16 function
1) функция2) функционировать; находиться в работоспособном состоянии3) выполнять функцию; играть роль4) (дополнительное) функциональное устройство, проф. функция ( в стандарте USB)5) вчт. отображение || отображать•- actuating transfer function
- additive function
- additive/multiplicative function
- admittance function
- advanced communication function
- affine Boolean function
- aggregate function
- algebraic function
- all-pass transfer function
- all-pole function
- all-zero function
- alternating function
- ambiguity function
- amplitude distribution function
- amplitude function
- AM-tive function additive/multiplicative function
- anode work function
- aperture phase function
- apodizing function
- application program function
- autocorrelation function
- automatic azimuth alignment function
- band-limited function
- base station control function
- basis function
- Bellman function
- bent function
- Bessel function of imaginary argument
- Bessel function
- beta function
- bijection function
- bijective function
- binary activation function
- binary sigmoid function
- binate function
- bipolar sigmoid function
- bi-state function
- bivariate distribution function
- Boolean function
- Bose-Einstein distribution function
- bounded function
- boxcar function
- Brillouin function
- built-in function
- Butterworth function
- carpet function
- carrier function
- cathode work function
- characteristic function
- circular function
- closed function
- closed-loop transfer function
- clutching function
- coherence function
- color matching functions
- comb function
- combination function
- combining function
- competitive function
- complementary error function
- complementary function
- composite function
- computable function
- concentrated likelihood function
- continuous function
- contrast transfer function
- control function
- convolution function
- correlation function
- cost function
- covariance generating function
- criterion function
- cross-correlation function - current potential function
- current transfer function
- curried function
- data communications function
- data-path function
- decision function
- degate function
- degating function
- delta function
- demand function
- density function
- descrambling function
- describing function
- difference transfer function
- differentiable function
- digamma function
- Dirac delta function
- Dirac function
- disconnect-reconnect function
- discriminant function
- distribution function
- driving-point function
- eikonal function
- electron wave function
- embedding function
- encryption function
- ergodic function
- error function
- excitation function
- explicit function
- exponential function
- extensional function
- external function
- failure density function
- feedback transfer function
- Fermi function
- Fermi-Dirac distribution function
- force function
- forward transfer function
- frequency function
- frequency-generating function
- frequency-response function
- friend function
- FS function
- full-speed function
- fuzzy function
- fuzzy objective function
- fuzzy utility function
- gage function
- Gaussian function
- Gaussian radial basis function
- generalized function
- generic function
- global implicit function
- global inverse function
- Green functions
- Green's function
- Hamilton function
- Hankel function
- hard limit activation function - hazard function
- head-related transfer function
- Heaviside step function
- Huber function
- hyperbolic function
- hyperbolic tangent activation function
- idempotent function
- image function
- impedance function
- implicit function
- injection function
- injective function
- inline function
- intensional function
- interference function
- interworking function
- inverse distribution function
- inverse function
- invertible mapping function
- inverting function
- kernel function
- Lagrange's function
- Langevin function
- latent function
- Legendre associated function of the first kind
- Legendre associated function of the second kind
- Legendre function of the first kind
- Legendre function of the second kind
- lexical function
- likelihood function
- line search function
- linear function
- linear logic function
- logic function
- logistic function
- logistic sigmoid function
- log-likelihood function
- log-linear function
- log-log function
- look-up function
- loss function
- low-speed function
- LS function
- luminosity function
- macro function
- main function
- maintenance entity function
- majorized function
- majorizing function
- mapping function
- Markov function
- mathematical function
- member function
- membership function
- memo function
- memoised function
- memoized function
- minorized function
- minorizing function
- modified Bessel function
- modular hash-function
- modulating function
- modulation transfer function
- moment-generating function
- monotonic function
- Morse function
- multi-input multi-output transfer function
- multi-valued function
- multivariate distribution function
- mutual coherence function
- natural trigonometric function
- never-decreasing function
- never-increasing function
- non-decreasing function
- non-increasing function
- nonlinear function
- normalized Gaussian radial basis function
- normalized radial basis functions with equal heights
- normalized radial basis functions with equal volumes
- normalized radial basis functions with equal widths and heights
- normalized radial basis functions with equal widths
- normalized radial basis functions with unequal widths and heights
- objective function
- one-one function
- one-to-one function
- one-way function
- one-way hash function
- open-loop transfer function
- optical transfer function
- ordinary Gaussian radial basis function
- ordinary radial basis functions with equal widths
- ordinary radial basis functions with unequal widths
- orthogonal functions
- overlapped functions
- partial autocorrelation function
- penalty function
- perfect hash-function
- phase transfer function
- photoelectric work function
- photopic response function
- piecewise constant function
- piecewise linear function
- piecewise polynomial function
- Pierce function
- point-spread function
- polynomial function
- positive linear function
- postsynaptic potential function
- power function of test
- power function
- predefined function
- predicate function
- probability density function
- probability function
- probability mass function
- production function
- projection function
- projective function
- propagation function
- propositional function
- PSP function
- pulsating function
- pure virtual function
- quadratic error function
- radial basis function
- radial combination function
- ramp function
- range weighting function
- reactance function
- register function
- regression function
- resolvent function
- response function
- restricted function
- risk function
- saturating linear function
- scalar function
- scaling function
- scattering function
- scedastic function
- Schrödinger wave function
- scrambling function
- screen size-viewing distance function
- self-inverse function
- semilinear function
- sensing function
- sentential function
- shape function
- sigmoid activation function
- sigmoid function
- sign function
- signal function
- signum activation function
- signum function
- smooth function
- socket library function
- softmax activation function
- spectral density function
- spectral function
- spectral radiance function
- spline function
- spot function
- spread function
- square-integrable function
- square-law transfer function
- squashed sign function
- squashing function
- state function
- state query function
- steering function
- step function
- stream function
- summing function
- support entity function
- support function
- supported function
- surjection function
- surjective function
- survival function
- switch function
- switching function
- switch-type function
- symmetric saturating linear function
- tame function
- tan-sigmoid activation function
- target function
- tensor function
- tesseral function
- testing function
- tetragamma function
- thermionic work function
- threshold function
- through transfer function
- transcendental function
- transfer function
- trial function
- trigamma function
- trigonometric function
- tri-state function
- typematic function
- unate function
- uncurried function
- unit impulse function
- unit step function
- unsupported function
- user-defined function
- utility function
- vector function
- virtual function
- visibility function
- voltage potential function
- voltage transfer function
- Walsh functions
- wave function
- wave-number limited function
- weighting function
- window function
- work functionThe New English-Russian Dictionary of Radio-electronics > function
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17 function
1) функция, действие || функционировать; действовать- essential functions - routine function - safety-related functions2) функциональное назначение; роль- circuit function - intrinsic function - metering function - primary function - robot function - planning function - service function - support function4) функциональный узел ( машины)5) матем. функциональная зависимость, функция- absolutely additive function - absolutely bounded function - absolutely continuous function - absolutely integrable function - absolutely monotone function - absolutely summable function - absolutely symmetric function - almost complex function - almost continuous function - almost convex function - almost everywhere defined function - almost everywhere finite function - almost invariant function - almost periodic function - almost recursive function - almost separably-valued function - almost separating function - almost universal function - analytically independent function - analytically representable function - approximately differentiable function - asymptotically differentiable function - asymptotically finite function - asymptotically uniformly optimal function - bounded below function - cellwise continuous function - circumferentially mean p-valent function - comparison function - complementary error function - complete analytic function - completely additive function - completely computable function - completely monotone function - completely multiplicative function - completely productive function - completely subadditive function - completely symmetrical function - completely undefined function - complex hyperbolic function - conditional risk function - countably multiplicative function - countably valued function - covariant function - cumulative distribution function - cumulative frequency function - deficiency function - double limit function - doubly periodic function - doubly recursive function - effectively computable function - effectively constant function - effectively decidable function - effectively variable function - elementarily symmetric function - entire function of maximum type - entire function of mean type - entire function of potential type - entire function of zero type - entire rational function - essentially increasing function - essentially integrable function - essentially real function - essentially smooth function - everywhere differentiable function - everywhere smooth function - expansible function - explicitly definable function - exponentially convex function - exponentially decreasing function - exponentially increasing function - exponentially multiplicative function - exponentially vanishing function - finitely mean valent function - finitely measurable function - function of appropriate behavior - function of bounded characteristic - function of bounded type - function of bounded variation - function of complex variable - function of exponential type - function of finite genus - function of finite variation - function of fractional order - function of infinite type - function of integral order - function of maximal type - function of minimal type - function of mixed variables - function of normal type - function of number theory - function of one variable - function of rapid descent - function of rapid growth - function of real variable - general universal function - geometric carrier function - implicitly definable function - incomplete dibeta function - incomplete gamma function - incomplete tribeta function - incompletely defined function - inductively defined function - inductively integrable function - infinitely divisible function - infinitely many-valued function - integral logarithmic function - inverse trigonometric function - inverted beta function - iterative function - joint correlation function - joint density function - linearly separable function - locally bounded function - locally constant function - locally holomorphic function - locally homogeneous function - locally integrable function - locally negligible function - locally regular function - locally summable function - logarithmic generating function - logarithmic integral function - logarithmically infinite function - logarithmically plurisubharmonic function - logarithmically subharmonic function - lower semicontinuous function - monotone non-decreasing function - monotone non-increasing function - multiply periodic function - multiply recursive function - negative definite function - negative infinite function - nontangentially bounded function - normalized function - normed function - nowhere continuous function - nowhere differentiable function - nowhere monotonic function - n-times differentiable function - n-tuply periodic function - numeralwise expressible function - numeralwise representable function - numerical function - numerically valued function - oblate spheroidal function - operating characteristic function - optimal policy function - parametrically definable function - partially symmetric function - piecewise constant function - piecewise continuously differentiable function - piecewise linear function - piecewise monotonic function - piecewise polynomial function - piecewise quadratic function - piecewise regular function - piecewise smooth function - pointwise approximated function - positive homogeneous function - positive infinite function - positive monotone function - positive monotonic function - positive semidefinite function - potentially calculable function - potentially recursive function - power series function - probability generating function - quadratically summable function - rapidly damped function - rapidly decreasing function - rapidly oscillatory function - recursively continuous function - recursively convergent function - recursively defined function - recursively differentiable function - recursively divergent function - recursively extensible function - relative distribution function - relative frequency function - representing function - reproducing kernel function - residual function - residue function - scalarwise integrable function - scalarwise measurable function - sectionally smooth function - simply periodic function - singly recursive function - slowly increasing function - slowly oscillating function - slowly varying function - smoothly varying function - solid spherical harmonic function - solid zonal harmonic function - steadily increasing function - stopped random function - strictly convex function - strictly decreasing function - strictly increasing function - strictly integrable function - strictly monotone function - strongly differentiable function - strongly holomorphic function - strongly integrable function - strongly measurable function - strongly plurisubharmonic function - totally additive function - totally continuous function - totally measurable function - totally multiplicative function - totally positive function - triangular function - uniformly best decision function - uniformly bounded function - uniformly definable function - uniformly differentiable function - uniformly homotopic function - uniformly integrable function - uniformly limited function - uniformly measurable function - uniformly smooth function - unit step function - unitary divisor function - upper measurable function - upper semicontinuous function - weakly analytic function - weakly continuous function - weakly differentiable function - weakly holomorphic function - weakly measurable function - weakly singular function - weighted random functiondomain of a function — область определения функции, область изменения независимой переменной
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18 squared
1) брусковый
2) возведенный в квадрат
3) в квадрате ∙ average squared error ≈ средний квадрат ошибки expected squared error ≈ математическое ожидание квадрата ошибки squared absolute value ≈ квадрат абсолютной величины, квадрат модуля squared error distance ≈ среднеквадратическое отклонение squared multiple correlation ≈ квадрат множественной корреляции squared normal distribution ≈ квадрат нормального распределения squared normal law ≈ квадрат нормального распределения sum of squared deviations ≈ сумма квадратов отклонений - error squared - squared beam - squared coherence - squared deviation - squared difference - squared distance - squared error - squared formula - squared lune - squared paper - squared ratio - squared shape - squared solvability - squared summability - squared term Возведенный -
19 function
1) функция
2) ф-ция
3) функционировать
4) зависимость
5) назначение
6) действовать
7) роль
– Abelian function
– acidity function
– action function
– adjustment function
– affect function
– alternating function
– ambiguity function
– Appell function
– approximate function
– arbitrary function
– autocorrelation function
– Bassel-Wilkin function
– beta function
– Boolean function
– bounded function
– built-in function
– case-shift function
– characteristic function
– choice function
– circulating function
– complementary function
– composite function
– computable function
– confluent function
– constrained function
– content function
– contiguous function
– continuous function
– control function
– correlation function
– cost function
– course-of-value function
– covariance function
– criterion function
– crosscorrelation function
– decision function
– decreasing function
– density function
– derived function
– determining function
– digamma function
– discontinuous function
– discriminant function
– dissipative function
– distance function
– distribution function
– domain of a function
– donor function
– efficiency function
– entire function
– error function
– even function
– excitation function
– expenditure function
– explicit function
– exponential function
– factorable function
– factorial function
– fatigue function
– flow function
– force function
– forcing function
– frequency function
– function character
– function element
– function letters
– function multiplier
– function of singularities
– function of state
– function of support
– function of two variables
– function potentiometer
– function switch
– function vanishes
– fundamental function
– generalized function
– generating function
– Gibbs function
– Green's function
– harmonic function
– height-gain function
– Herglotz function
– implicit function
– increasing function
– increment of a function
– indicator function
– influence function
– inhibit function
– integral function
– inverse function
– jump function
– kernel function
– Lauricella function
– likelihood function
– loss function
– majority function
– many-valued function
– minorant function
– monotone function
– monotonic function
– multivalent function
– n-metacaloric function
– non-decreasing function
– noncomputable function
– objective function
– odd function
– one-valued function
– original function
– oscillation of a function
– partition function
– pattern function
– payoff function
– Pearcey function
– penalty function
– power function
– prescribed function
– probability function
– propagation function
– quaternion function
– random function
– range of a function
– range of function
– rational function
– real-valued function
– recursive function
– response function
– ring function
– risk function
– saltus function
– sampling function
– saw-tooth function
– scattering function
– signum function
– simple function
– sine function
– single-valued function
– singular function
– singularity function
– skew-symmetric function
– source function
– spectral function
– status function
– step function
– storage function
– stream function
– successor function
– support function
– switching function
– terminal-decision function
– test function
– threshold function
– transcendental function
– transfer function
– transition function
– trial function
– truth function
– unconstrained function
– utility function
– variation of a function
– wave function
– weight function
– weighting function
– well-behaved function
– work function
– zeta function
almost bounded function — функция, ограниченная почти всюду
complementary error function — <math.> функция ошибок дополнительная
confluent hypergeometric function — <math.> функция гипергеометрическая вырожденная
contrast transfer function — <opt.> характеристика частотно-контрастная
cumulant generating function — производящая функция семиинвариантов
delta function response — импульсная переходная проводимость
distribution function analyzer — анализатор функции распределения
element of analytic function — элемент аналитической функции
function of bounded variation — функция с ограниченным изменением
incompletely defined function — не всюду определенная функция
inverse hyperbolic function — <geom.> ареафункция
linear discriminant function — <math.> функция дискриминантная линейная
moment generating function — <math.> производящая функция моментов
monotone non-decreasing function — монотонная неубывающая функция
monotone non-increasing function — монотонная невозрастающая функция
normalized coherence function — комплексная степень когерентности, <opt.> коэффициент когерентности
point spread function — <opt.> функция аппаратная, <opt.> функция рассеяния точки
probability density function — <math.> плотность вероятности, плотность распределения
quadratically integrable function — функция с интегрируемым квадратом
Rayleigh dissipation function — <opt.> функция диссипативная
Riemann zeta function — <math.> дзета-функция Римана
sourcewise representable function — истокообразно представленная функция
transfer function analyzer — анализатор передаточной функции
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20 contrôle
m1) вчт. контроль, проверка2) управление, регулирование•- contrôle aérien
- contrôle arithmétique
- contrôle automatique
- contrôle automatisé
- contrôle par balance carrée
- contrôle par bloc
- contrôle de cohérence
- contrôle par comparaison
- contrôle en cours de phase
- contrôle destructif
- contrôle diagnostique
- contrôle à distance
- contrôle des données
- contrôle dosimétrique
- contrôle par duplication
- contrôle sur échantillons
- contrôle par écho
- contrôle de l'écoulement laminaire
- contrôle entrée-sortie
- contrôle par épreuves
- contrôle d'erreurs
- contrôle en fabrication
- contrôle en fin de phase
- contrôle final
- contrôle fonctionnel préalable
- contrôle de fonctionnement
- contrôle général
- contrôle holographique
- contrôle d'homogénéité
- contrôle intégral
- contrôle interférométrique
- contrôle local d'aérodrome
- contrôle local d'aérodrome CLA
- contrôle magnétique
- contrôle manuel
- contrôle de marche
- contrôle marginal
- contrôle modulo N
- contrôle par multiprocesseur
- contrôle non destructif
- contrôle numérique
- contrôle optique
- contrôle de parité
- contrôle partiel
- contrôle entre phases
- contrôle de plausibilité
- contrôle de la poussée
- contrôle par prélèvement
- contrôle de pression
- contrôle préventif
- contrôle de programmation
- contrôle du programme
- contrôle programmé
- contrôle radiographique
- contrôle radiologique
- contrôle radiométrique
- contrôle du rayonnement
- contrôle à rayons X
- contrôle de réaction
- contrôle de réception
- contrôle de sélection
- contrôle sensitométrique
- contrôle technique des véhicules
- contrôle de la température
- contrôle thermique
- contrôle thermostatique
- contrôle par totalisation
- contrôle trigonométrique
- contrôle ultra-sonique
- contrôle d'uniformité
- contrôle vidéo
- contrôle volant
- 1
- 2
См. также в других словарях:
coherence distance — koherentiškumo nuotolis statusas T sritis fizika atitikmenys: angl. coherence distance; coherence length vok. Interferenzlänge, f; Kohärenzabstand, m; Kohärenzlänge, f rus. длина когерентности, f; расстояние когерентности, n pranc. distance de… … Fizikos terminų žodynas
distance de cohérence — koherentiškumo nuotolis statusas T sritis fizika atitikmenys: angl. coherence distance; coherence length vok. Interferenzlänge, f; Kohärenzabstand, m; Kohärenzlänge, f rus. длина когерентности, f; расстояние когерентности, n pranc. distance de… … Fizikos terminų žodynas
coherence length — koherentiškumo nuotolis statusas T sritis fizika atitikmenys: angl. coherence distance; coherence length vok. Interferenzlänge, f; Kohärenzabstand, m; Kohärenzlänge, f rus. длина когерентности, f; расстояние когерентности, n pranc. distance de… … Fizikos terminų žodynas
Coherence (physique) — Cohérence (physique) Pour les articles homonymes, voir Cohérence. La cohérence en physique est l ensemble des propriétés de corrélation d un système ondulatoire. Son sens initial était la mesure de la capacité d onde(s) à donner naissances à des… … Wikipédia en Français
Cohérence (Physique) — Pour les articles homonymes, voir Cohérence. La cohérence en physique est l ensemble des propriétés de corrélation d un système ondulatoire. Son sens initial était la mesure de la capacité d onde(s) à donner naissances à des interférences du fait … Wikipédia en Français
cohérence — [ kɔerɑ̃s ] n. f. • 1524; lat. cohærentia→ cohérent 1 ♦ Union étroite des divers éléments d un corps. ⇒ adhérence, cohésion, connexion. 2 ♦ Liaison, rapport étroit d idées qui s accordent entre elles; absence de contradiction. Personne, discours… … Encyclopédie Universelle
Distance De Mahalanobis — En statistique, la distance de Mahalanobis est une mesure de distance introduite par P. C. Mahalanobis en 1936[1]. Elle est basée sur la corrélation entre des variables par lesquelles différents modèles peuvent être identifiés et analysés. C est… … Wikipédia en Français
Distance de mahalanobis — En statistique, la distance de Mahalanobis est une mesure de distance introduite par P. C. Mahalanobis en 1936[1]. Elle est basée sur la corrélation entre des variables par lesquelles différents modèles peuvent être identifiés et analysés. C est… … Wikipédia en Français
Cohérence (physique) — Pour les articles homonymes, voir Cohérence. La cohérence en physique est l ensemble des propriétés de corrélation d un système ondulatoire. Son sens initial était la mesure de la capacité d onde(s) à donner naissances à des interférences du fait … Wikipédia en Français
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 — 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