intensity of noise
31Aircraft noise — is defined as sound produced by any aircraft or its components, during various phases of a flight, on the ground while parked such as auxiliary power units, while taxiing, on run up from propeller and jet exhaust, during take off, underneath and… …
32Roadway noise — is the collective sound energy emanating from motor vehicles. In the USA it contributes more to environmental noise exposure [Senate Public Works Committee, Noise Pollution and Abatement Act of 1972, S. Rep. No. 1160, 92nd Cong. 2nd session] than …
33Contrast-to-noise ratio — Haze over Kuala Lumpur. Contrast to noise ratio (CNR) is a measure used to determine image quality. CNR is similar to the metric, signal to noise ratio (SNR), but subtracts off a term before taking the ratio. This is important when there is a… …
34Quantum noise — is uncertainty of some physical quantity due to its quantum origin.In the case of number of particles (photons or electrons), the quantum noise is also called shot noise. Most optical communications use amplitude modulation. In this case, the… …
35China Seismic Intensity Scale — The China Seismic Intensity Scale (CSIS) is a national standard in the People s Republic of China[1] used to measure seismic intensity. Similar to EMS 92 on which CSIS drew reference, seismic impacts are classified into 12 degrees of intensity,… …
36white noise — noun a noise produced by a stimulus containing all of the audible frequencies of vibration white noise is a good masking agent • Hypernyms: ↑noise, ↑interference, ↑disturbance * * * noun Etymology: so called from the analogy of its composition to …
37Infernal Noise Brigade — The Infernal Noise Brigade was a Seattle, Washington based musical group, who originally formed to participate in the protests at the WTO Meeting of 1999. [http://www.infernalnoise.org/text1.html Untitled page on official site] , accessed 27… …
38White noise — White noise, n. a mixture or random noise sounds extending over the entire audible frequency spectrum with approximately equal intensity at all frequencies. It is used in certain experiments, as in psychology, to prevent subjects from hearing… …
39Sound levels for nonlinear (decibel) and linear (intensity) scales — ▪ Table Sound levels for nonlinear (decibel) and linear (intensity) scales decibels intensity* type of sound 130 10 artillery fire at close proximity (threshold of pain) 120 1 amplified rock music; near jet engine 110 10–1 loud orchestral… …
40Dead Noise — was an instrumental rock band who played in Stratford, Ontario, Canada from late 2003 to Summer 2004. The members were: Luke Robertson, Chris Weatherstone, and Ben Weatherstone on Guitars, Piers Fox on Drums, and Aidan Moreau Macleod on Bass.… …
