intensity level
41Signal level — In a communications system, the signal level is the signal power or intensity at a specified point and with respect to a specified reference level, e.g., 1 mW.It is also the rms signal level of a voltage, e.g., 0.775 VRMS is 0 dBu. From Federal… …
42background level — the usual intensity of a chemical or other stimulus in the environment …
43sensation level — noun : the range of intensity of sound vibrations in which they are perceived as sound : the range between the threshold of audibility and that of feeling usually expressed in decibels …
44sound-level meter — noun : an apparatus for comparing sound intensity levels usually in decibels …
45transmission level — noun 1. : the signaling power amplitude at any point in a communication system 2. : the radio field intensity at any point in a radio communication system …
46sound — 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… …
47Sound — /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… …
48ear, human — ▪ anatomy Introduction organ of hearing and equilibrium that detects and analyzes noises by transduction (or the conversion of sound waves into electrochemical impulses) and maintains the sense of balance (equilibrium). The human ear, like …
49Decibel — This article is about the ratio of measures. For sound or acoustic level, see Sound pressure. For other uses, see Decibel (disambiguation). Attenuation chart of an RG 6 Coaxial cable, measured in decibels per 100 feet of cable The decibel (dB) is …
50Blob detection — Feature detection Output of a typical corner detection algorithm …
