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Nf - noise figure (nf)
| Fiber Optic Glossary |
The ratio of the output signal-to-noise ratio to the input signal-to-noise ratio for a given element in a transmission system. used for optical and electrical components.
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Transmission, английский
- Passage of electromagnetic radiation through a medium.
- Transmisión
- The property in a merchantman, or a share therein, transmitted in
- Передача; привод; коробка передач; трансмиссия; прохождение; распространение ~ of loads передача нагрузок
- The transport of high voltage electricity. this is achieved with a transmission network (or grid). generally the network will connect large generators to lower voltage distribution networks where it will be transported to the majority of electricity consumers. alternatively, large scale electricity users may connect directly to the transmission network. management of transmission is a natural monopoly due to the economies of scale inherent to it. transmission system operator (tso) (also transmission network operator-
- The sending of information over a communications line or a circuit.
- The transportation of electric energy in bulk from a source or sources of supply to other systems or parts of a single system.
- Transfer of pathogens from one host to another
Electrical, английский
Components, английский
Комплектующие
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Carrier-to-noise ratio (cnr), английский
The ratio, in decibels, of the level of the carrier to that of the noise in a receiver’s if bandwidth before any nonlinear process such as amplitude limiting and detection takes place.
Extinction ratio, английский
- The ratio of the low, or off optical power level (pl) to the high, or on optical power level (ph).
- The ratio of the power of a plane-polarized beam that is transmitted through a polarizer placed in its path with its polarizing axis parallel to the beam`s plane, as compared with the transmitted power when the polarizer`s axis is perpendicular to the beam`s plane.
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