- DBSM
- decibels per square meter - децибел на квадратный метр
Англо-русский словарь технических аббревиатур. 2011.
DBSM
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Decibel — 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 … Wikipedia
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dBFS — Clipping of a digital waveform Decibels relative to full scale, commonly abbreviated dBFS, measures decibel amplitude levels in digital systems such as pulse code modulation which have a defined maximum available peak level. 0 dBFS is assigned to … Wikipedia
dBZ (meteorology) — For other uses, see DBZ (disambiguation). The scale of dBZ values can be seen along the bottom of the image. dBZ stands for decibels of Z. It is a meteorological measure of equivalent reflectivity (Z) of a radar signal reflected off a remote… … Wikipedia
dBc — (decibels relative to the carrier) is the power ratio of a signal to a carrier signal, expressed in decibels. For example, phase noise is expressed in dBc/Hz at a given frequency offset from the carrier. dBc can also be used as a measurement of… … Wikipedia
dBm — For other uses, see DBM (disambiguation). A schematic showing the relationship between dBu (the voltage source) and dBm (the power dissipated as heat by the 600 Ω resistor) dBm (sometimes dBmW) is an abbreviation for the power ratio in decibels… … Wikipedia
dBrn — The symbol dBrn or dB(rn) is an abbreviation for decibels above reference noise. Weighted noise power in dB is referred to 1.0 picowatt. Thus, 0 dBrn = 90 dBm. Use of 144 line, 144 receiver, or C message weighting, or flat weighting, can be… … Wikipedia
dBrnC — represents an audio level measurement, typically in a telephone circuit, relative to the circuit noise level, with the measurement of this level frequency weighted by a standard C message weighting filter. The C message weighting filter was… … Wikipedia
