noise measuring equipment

См. также в других словарях:

• Noise regulation — includes statutes or guidelines relating to sound transmission established by national, state or provincial and municipal levels of government. After the watershed passage of the United States Noise Control Act of 1972,[1] other local and state… …   Wikipedia

• Noise weighting — A noise weighting is a specific amplitude vs. frequency characteristic that is designed to allow subjectively valid measurement of noise. It emphasises the parts of the spectrum that are most important. Usually, noise means audible noise, in… …   Wikipedia

• Noise floor — This article is about physics term. For the Bright Eyes album, see Noise Floor (Rarities: 1998 2005). In signal theory, the noise floor is the measure of the signal created from the sum of all the noise sources and unwanted signals within a… …   Wikipedia

• Measuring receiver — In telecommunication, a measuring receiver or measurement receiver is a calibrated laboratory grade radio receiver designed to measure the characteristics of radio signals. The parameters of such receivers (tuning frequency, receiving bandwidth,… …   Wikipedia

• Noise-figure meter — A noise figure meter is an instrument for measuring the noise figure of an amplifier, mixer, or similar device. An example instrument is the 1983 era Agilent 8970A. Contents 1 Measurement methods 2 Noise source 2.1 Thermal noise …   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

• ITU-R 468 noise weighting — The ITU R 468 weighting curve (originally defined in CCIR recommendation 468) is widely used when measuring noise in audio systems, especially in the UK, Europe, and former countries of the British Empire such as Australia and South Africa. It is …   Wikipedia

• American football protective equipment — ( football gear ) consists of equipments worn by football players for the protection of the body during the course of football games. Basic equipments worn by almost all football players include a helmet, shoulder pads, a jockstrap (aka athletic… …   Wikipedia

• Diving equipment — Surface supplied commercial diving equipment on display at a trade show Diving equipment is equipment used by underwater divers for the purpose of facilitating diving activities. This may be equipment primarily intended for this purpose, or… …   Wikipedia

• O.71 — Empfehlung der CCITT/ITU von 1988: Impulsive noise measuring equipment for telephone type circuits (vergl. H.13) …   Acronyms

• O.71 — Empfehlung der CCITT/ITU von 1988: Impulsive noise measuring equipment for telephone type circuits (vergl. H.13) …   Acronyms von A bis Z