- field-to-noise ratio
- Телекоммуникации: отношение "сигнал-помеха"
Универсальный англо-русский словарь. Академик.ру. 2011.
field-to-noise ratio
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Signal-to-noise ratio — For signal to noise ratio in statistics, see Cohen s d. Signal to noise ratio (often abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise. It is defined… … Wikipedia
signal noise ratio — noun : the ratio of radio field intensity to noise field intensity; also : the ratio of the signal transmitted through a piece of radio equipment to the noise generated within the equipment itself … Useful english dictionary
Noise (electronics) — Electronic noise [1] is a random fluctuation in an electrical signal, a characteristic of all electronic circuits. Noise generated by electronic devices varies greatly, as it can be produced by several different effects. Thermal noise is… … Wikipedia
Noise-canceling microphone — A noise canceling microphone is a microphone designed to filter out ambient noise from the desired sound, especially useful in noisy environments. Contents 1 Technical detail 2 Alternative technologies 3 Applications … Wikipedia
Field emission gun — A field emission gun is a type of electron gun in which the emitter tip is held at several kilovolts negative potential relative to a nearby electrode, so that there is sufficient potential gradient at its surface to cause field emission of… … Wikipedia
Shot noise — Photon noise simulation. Shot noise is a type of electronic noise that may be dominant when the finite number of particles that carry energy (such as electrons in an electronic circuit or photons in an optical device) is sufficiently small so… … Wikipedia
Audio noise measurement — is carried out when assessing the quality of audio equipment, such as is used in recording studios, broadcast studios, and in the home (Hi Fi).Noise in general refers to unwanted sound, often loud, but in audio systems it is the low level hiss or … Wikipedia
Johnson–Nyquist noise — (thermal noise, Johnson noise, or Nyquist noise) is the electronic noise generated by the thermal agitation of the charge carriers (usually the electrons) inside an electrical conductor at equilibrium, which happens regardless of any applied… … Wikipedia
Earth's field NMR — Nuclear magnetic resonance (NMR) in the geomagnetic field is conventionally referred to as Earth s field NMR (EFNMR). Note that the same acronym is used for electric field NMR.EFNMR is a special case of low field NMR.When placed in a constant… … Wikipedia
Depth of field — The area within the depth of field appears sharp, while the areas in front of and beyond the depth of field appear blurry … Wikipedia
List of oil field acronyms — Contents 1 # 2 A 3 B 4 C … Wikipedia
