noise equivalent

См. также в других словарях:

• Noise-equivalent temperature — (NET) is a measure of the sensitivity of a detector of thermal radiation in the infrared, terahertz or microwave portions of the electromagnetic spectrum. It is the amount of incident signal temperature that would be needed to match the internal… …   Wikipedia

• Noise-equivalent power — (NEP) is a measure of the sensitivity of a photodetector or detector system. It is defined as the signal power that gives a signal to noise ratio of one in a one hertz output bandwidth.[1] An output bandwidth of one hertz is equivalent to half a… …   Wikipedia

• Noise equivalent temperature difference — (NETD) is a measure of the sensitivity of a detector of thermal radiation in the infrared, terahertz radiation or microwave radiation parts of the electromagnetic spectrum. It is the scene temperature difference equal to either the internal noise …   Wikipedia

• Noise equivalent flux density — or NEFD is a term used to represent in systems the level of flux density required to be equivalent to the noise present in the system …   Wikipedia

• Noise-equivalent flux density — The noise equivalent flux density (NEFD) of a system is the level of flux density required to be equivalent to the noise present in the system. This science article is a stub. You can help Wikipedia by expanding it …   Wikipedia

• Noise equivalent target — In detection systems, the Noise Equivalent Target, or NET, is defined as the intensity of a target measured by a system when the Signal to noise ratio of the system is one …   Wikipedia

• Noise-equivalent target — In detection systems, the noise equivalent target (NET) is the intensity of a target measured by a system when the signal to noise ratio of the system is 1. This science article is a stub. You can help Wikipedia by expanding it …   Wikipedia

• noise equivalent resistance — ekvivalentinė triukšmo varža statusas T sritis fizika atitikmenys: angl. noise equivalent resistance; noise resistance vok. äquivalenter Rauschwiderstand, m; Rauschersatzwiderstand, m rus. эквивалентное сопротивление шума, n; эквивалентное… …   Fizikos terminų žodynas

• noise equivalent power — ekvivalentinė triukšmo galia statusas T sritis radioelektronika atitikmenys: angl. noise equivalent power vok. äquivalente Rauschleistung, f rus. эквивалентная мощность шумов, f pranc. puissance équivalente de bruit, f …   Radioelektronikos terminų žodynas

• noise resistance — ekvivalentinė triukšmo varža statusas T sritis fizika atitikmenys: angl. noise equivalent resistance; noise resistance vok. äquivalenter Rauschwiderstand, m; Rauschersatzwiderstand, m rus. эквивалентное сопротивление шума, n; эквивалентное… …   Fizikos terminų žodynas

• Noise figure — (NF) is a measure of degradation of the signal to noise ratio (SNR), caused by components in a radio frequency (RF) signal chain. The noise figure is defined as the ratio of the output noise power of a device to the portion thereof attributable… …   Wikipedia