decibel

decibel

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

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Part of Speech: noun
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Industry/Domain: Aerospace
Category: Space flight
Company: NASA
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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 (dB)

Energy; Wind energy

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 ...

objekt fluturues i paidentifikueshëm (UFO)

Aerospace; Space flight

UFOs are unidentified aircraft which are attributed to alien space flight. One supposed UFO halted air traffic at Hangzhou Airport, China, on July 7. The appearance is being ...

anije kozmike

Aerospace; Space flight

A reusable spacecraft with wings developed by the U.S. National Aeronautics and Space Administration (NASA) for human spaceflight missions. The first test flight took place in ...

zenit

Aerospace; Space flight

The point on the celestial sphere directly above the observer. Opposite the nadir.

zeta (Z)

Aerospace; Space flight

A multiplier, x1021 from the last letter of the Latin alphabet. See the entry for CGPM.

rreze x

Aerospace; Space flight

Electromagnetic radiation in the neighborhood of 100 picometer wavelength.

peshë

Aerospace; Space flight

The gravitational force exerted on an object of a certain mass. The weight of mass m is mg Newtons, where g is the local acceleration due to a body's gravity.

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Industry/Domain: Aerospace Category: Space flight

anije kozmike

A reusable spacecraft with wings developed by the U.S. National Aeronautics and Space Administration (NASA) for human spaceflight missions. The first ...