dBmW

См. также в других словарях:

• 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

• 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

• DBm — For other uses, see DBM (disambiguation) dBm (sometimes dBmW) is an abbreviation for the power ratio in decibels (dB) of the measured power referenced to one milliwatt (mW). It is used in radio, microwave and fiber optic networks as a convenient… …   Wikipedia

• Обыкновенный голубь — ? Сизый голубь Научная классификация Царство: Животные Тип: Хордовые …   Википедия

• 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

• 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

• dBm — (parfois dBmW) est une abréviation du rapport de puissance en décibels (dB) entre la puissance mesurée et un milliwatt (mW). Elle est utilisée dans les réseaux radio, micro ondes et fibre optique comme une mesure commode de puissance absolue en… …   Wikipédia en Français