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Coupling loss
| Fiber Optic Glossary |
The optical attenuation of a connection or passive device, expressed as a value in db
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Couplant, английский
- Контактная жидкость (при ультразвуковой дефектоскопии)
- Вещество (смазка, паста, вода), обеспечивающее акустический контакт (при испытании материалов ультразвуком)
- Substance used between the transducer and the contacting surface to permit or improve transmission of ultrasonic energy into or from the test object.
- Вещество, используемое между преобразователем и контактной поверхностью для обеспечения или улучшения передачи ультразвуковой энергии в объект испытаний или от него.
- In ultrasonic testing and leak testing, substance used between a transducer and the contacting surface to permit or improve transmission of ultrasonic energy into or from the test object.15
- Substance used between the transducer and the contacting surface to permit or improve transmission of ultrasonic energy into or from the test object.7,22
Couplant (ut), английский
A substance (usually liquid) used between the search unit and test part to permit or improve transmission of ultrasonic energy into the test part.
Couplant, coupling medium, coupling film, английский
Couple, английский
- Пара сил
- Two equal and opposite parallel forces, with different lines of action, tending to produce rotation of a body; their moment equals the product of the magnitude of one of the forces and the perpendicular distance between them. couple-close, close couple a pair of opposite rafters which are connected by a collar beam or tie beam and are tied together at the apex.
- To connect or screw together.
- Double, see double 1.
- Couplet. 2. two consecutive work shifts or tours. double a. one of several terms (or letter symbols) used to designate medium-quality drill diamonds.
Couple (des forces), французский
Couple (to), английский
Couple of forces, английский
Couple up, английский
Couple, coupler, английский
Device for coupling the bottom corner casting when joining two 20` containers into a single 40` unit - `twin twenties`. c/p charter party
Couple, to, английский
To bend two hawsers together; coupling links of a cable; coupling shackles.
Couple-close, английский
Пара стропильных ног, соединённых затяжкой
Couple-close. close-coupled tank and bowl a flush tank which is separate from, but attached to, a toilet bowl., английский
Coupled, английский
- См. long coupled, short coupled
- Связанный
- Связанный; спаренный
- Connected together.
- (1) of two electric circuits, having an impedance in common so that a current in one causes a voltage in the other. (2) of two coils, sharing parts of their magnetic flux paths.
- (1) две электрические цепи, имеющие общее сопротивление так, что ток в одной вызывает напряжение в другой. (2) из двух катушек, части путей магнитного потока которых являются общими.
- (1) of two electric circuits, having an impedance in common so that a current in one causes a voltage in the other.23 (2) of two coils, sharing parts of their magnetic flux paths. see also coupling.
Coupled arcade, английский
An arcade supported on coupled columns.
Coupled columns, английский
Two closely spaced columns that form a pair. (
Coupled computer code, английский
Coupled computers, английский
Спаренные машины; двухмашинный комплекс; спаренные компьютеры coupled-relocatable term спаренный перемещаемый терм
Coupled modes, английский
- Частоты связанных колебаний
- In fiber optics, a mode that shares energy among one or more other modes, all of which propagate together. note: the distribution of energy among the coupled modes changes with propagation distance.
Coupled pilasters, английский
Two closely spaced pilasters forming a pair.
Coupled reperforator and tape reader; fully automatic reperforator, английский
Coupled slot antenna, английский
Attenuation, английский
- The decrease in magnitude of a signal, as it travels through a medium. used to describe signal loss in a transmission system. measured in decibels (db).
- Поглощение
- Зависимость снижения мощности сигнала от расстояния. для оптоволоконных кабелей обычно выражается в дб/км
- In general terms, a reduction in signal strength.
- The decrease in magnitude of a wave, or a signal, as it travels through a medium or
- The difference between transmitted and received power due to loss through equipment, lines, or other transmission devices; usually expressed in decibels. the loss in power of electromagnetic signals between transmission and reception points.
- The decrease in magnitude of a wave, or a signal, as it travels through a medium or an electric system. it is measured in decibels (db).
- The loss of optical power, whether caused intrinsically (absorption, scattering, microbends, etc.), or extrinsically by components (connectors, splices, splitters, etc)
- The decrease in radiation energy (power) as a beam passes through an absorbing or scattering medium.
- Reduction of signal magnitude, or loss, normally measured in decibels. fiber attenuation is normally measured per unit length in decibels per kilometer. the decrease in signal strength along a fiber optic waveguide caused by absorption and scattering. attenuation is usually expressed in db/km.
- A reduction in the effect or strength of something such as a virus, either because of environmental conditions or as a result of a laboratory procedure
- Ослабление
- Ослабление (затухание). уменьшение количества радиации при ее прохождении через вещество в результате всех видов взаимодействия с этим веществом. ослабление обычно не связано с уменьшением геометрических размеров (мос, 5). ослабление солнечной радиации — потеря энергии световым лучом при его прохождении через атмосферу земли. потеря энергии обусловлена рассеянием света молекулами воздуха, селективной абсорбцией молекулами определенных веществ и рассеянием света аэрозолями (вмо).
- The weakening of a transmitted signal, such as the distortion of a digital signal or the reduction in amplitude of an electrical signal. attenuation is usually measured in decibels and is sometimes desirable, as when signal strength is reduced electronically, for example, by a radio volume control, to prevent overloading.
- The weakening of a transmitted signal, such as the reduction in the brightness of light, as it travels farther from its source.
- Regulatory system of prokaryotes whereby secondary stem-loop structures formed within the 5’ end of an mrna being transcribed determine both if transcription to complete the synthesis of this mrna will occur and if this mrna will be used for translation
- Decrease in transmitted energy intensity over distance. the loss may be due to absorption, scattering, reflection, leakage, beam divergence, or other material effects.
- Снижение интенсивности передаваемой энергии на расстоянии. потери могут быть вызваны поглощением, рассеянием, отражением, утечкой, расходимостью луча или другими материальными эффектами.
- Decrease in signal magnitude during energy transmission from one point to another. this loss may be caused by absorption, reflection, scattering of energy or other material characteristics or may be caused by an electronic or optical device such as an attenuator.1
- (1) decrease in energy or signal magnitude in transmission from one point to another. can be expressed in decibels or as a scalar ratio of the input magnitude to the output magnitude.16 (2) change in signal strength caused by an electronic device such as an attenuator. (3) decrease in intensity caused by absorption, leakage, reflection, scattering or other material characteristics. see also neper.
- (1) decrease in acoustic energy over distance. this loss may be caused by absorption, leakage, reflection, scattering or other material characteristics. (2) decrease in signal amplitude caused by acoustic energy loss or by an electronic device such as an attenuator.10,16,21
Connection, английский
- Liaison
- Соединение; связь
- In steel construction, a combination of joints capable of transmitting forces between two or more members. connector 1. in an electric circuit, a device for joining two or more conductors, by a low-resistance path, without the use of a permanent splice. 2. a mechanical device for fastening together two or more pieces, members, or parts, including anchors, fasteners, or wall ties.
- Патрубок с фланцевым соединением
- A link via wire, radio, fiber-optic cable, or other medium between two or more communications devices.
- Someone with whom a user has established a mutual social relationship on a third-party service that refers to such a relationship as a connection.
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End separation loss, английский
The optical power loss caused by distance between the end of a fiber and a source, detector, or another fiber
Center wavelength (cw), английский
The nominal value operating wavelength in a laser; thereby, the wavelength defined by a peak mode measurement where the effective optical power resides
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