decibel

decibel

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

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decibel (dB)

航空宇宙; 衛星

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)

エネルギー; 風力エネルギー

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 ...

akustikë

物理; 音響

The study of all sound, including ultrasound and infrasound.

ultrasonik

物理; 音響

Sound frequencies above the human audible range. This is generally at frequencies above 20kHz.

infrasonik

物理; 音響

Sound frequencies below the audible range. This is generally below 20Hz.

logaritëm

物理; 音響

Mathematical concept whereby a number is multiplied by itself, e.g. 10 to the power of 2, which is 100.

zhurmë

物理; 音響

Unwanted sound.

akustikë nënulore

物理; 音響

Underwater sound, which can be used in conducting underwater measurements.

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Letra është një mesazh i shkruar në material. Në ditët e sotme është e pazakontë të përdorin këtë mënyrë për të komunikuar (përveç për çështje zyrtare ...