释义 |
noise level ThesaurusNoun | 1. | noise level - the amplitude level of the undesired background noisebackground levelamplitude - greatness of magnitude |
noise level
noise level[′nȯiz ‚lev·əl] (physics) The intensity of unwanted sound, or the magnitude of unwanted currents or voltages, averaged over a specified frequency range and time interval, and weighted with frequency in a specified manner; usually expressed in decibels relative to a specified reference. sound levelThe reading of a sound-level meter, using one of the three weighting networks; expressed in decibels (abbr. dB); the weighting network used must be specified; the most widely used network for noise measurements is the A-network.noise level
Synonyms for noise levelnoun the amplitude level of the undesired background noiseSynonymsRelated Words |