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Decibel (dB)

is a unit of measurement that is used to indicate the relative amplitude of a sound or the ratio of the signal level such as sound pressure. Sound levels in decibels are calculated on a logarithmic scale.

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Saistītie termini

decibel (dB)
Aerospace; Satellites

The standard unit used to express the ratio of two power levels. It is used in communications to express either a gain or loss in power between the input and output devices.

decibel
Physics; General physics

Unit of sound level, if P1 & P2 are two amounts of power, the first is said to be n decibels greater, where n = 10 log10 (P1/P2)

decibel
Physics; Acoustics

A logarithmic scale applied to any parameter, including for measuring sound level.

decibel
Weather; Meteorology

A logarithmic measure of the relative power, or of the relative values of two flux densities, especially of sound intensities and radio and radar power densities. The difference ...

decibel
Aerospace; Space flight

Db, an expression of ratio (see db, above). One tenth of a Bel. See NIST website for further definition.

Tension i lartë
Energy; Wind energy

typically 100 to 150 kV.

punësim indirekt
Energy; Wind energy

refers to those employed in sectors and activities supplying intermediate products/components to, for example, wind turbine manufacturers. Indirect employment includes employment ...

kosto investimi
Energy; Wind energy

are the costs of the turbine itself, including transport from the factory to the place where the turbine is erected.

Kiloherc (kHz)
Energy; Wind energy

is a unit of measurement of frequency. It is a unit of alternating current (AC) or electromagnetic (EM) wave frequency equal to one thousand hertz (1000 Hz).

Stabilitet
Energy; Wind energy

is the ability of an electric system to maintain a state of equilibrium during normal and abnormal system conditions or disturbances. Stand-alone systems are electric power ...

Efiçencë
Energy; Wind energy

for a turbine describes the amount of active electrical power generated as a percentage of the wind power incident on the rotor area.

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