intensity of noise
41pink noise — noun Date: 1961 a mixture of sound waves with an intensity that diminishes proportionally with frequency to yield approximately equal energy per octave compare white noise …
42background noise — The level of intensity of signals due to normal activities other than the specific signal emission [16] …
43Anti-frogman techniques — are security methods developed to protect watercraft, ports and installations, and other sensitive resources both in or nearby vulnerable waterways from potential threats or intrusions by frogmen or other divers.Risks and threats to be defended… …
44sound-level meter — ▪ instrument device for measuring the intensity of noise, music, and other sounds. A typical meter consists of a microphone for picking up the sound and converting it into an electrical signal, followed by electronic circuitry for operating …
45S/N — noun the ratio of signal intensity to noise intensity • Syn: ↑signal to noise ratio, ↑signal to noise, ↑signal/noise ratio, ↑signal/noise • Hypernyms: ↑ratio …
46in·ten·si·ty — /ınˈtɛnsəti/ noun, pl ties 1 [noncount] : the quality or state of being intense : extreme strength or force the intensity of the sun s rays the intensity of the argument 2 : the degree or amount of strength or force that something has [count]… …
47ratio — An expression of the relation of one quantity to another ( e.g., of a proportion or rate). SEE ALSO: index (2), quotient. [L. r. (ration ) a reckoning, reason, fr. reor, pp. ratus, to reckon, compute] absolute terminal innervation r. the number… …
48multilane airway — A division of an airway into two or more lanes denoted North and South, East and West, and center, if there is third lane. The lateral separation between the lanes can be up to 12 miles (20 km). The division may be done for reasons such as to… …
49sound — sound1 soundable, adj. /sownd/, n. 1. the sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium. 2. mechanical vibrations transmitted through an elastic medium, traveling in air at a… …
50Sound — /sownd/, n. The, a strait between SW Sweden and Zealand, connecting the Kattegat and the Baltic. 87 mi. (140 km) long; 3 30 mi. (5 48 km) wide. Swedish and Danish, Oresund. * * * I Mechanical disturbance that propagates as a longitudinal wave… …
