decibel

decibel

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

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decibel (dB)

航空航天; 卫星

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.

akustika

物理; 声学

The study of all sound, including ultrasound and infrasound.

akustičar

物理; 声学

A scientist who conducts research into sound and sound waves.

ultrasoničan

物理; 声学

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

infrasoničan

物理; 声学

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

logaritam

物理; 声学

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

frekvencija

物理; 声学

The pitch of a note, i.e. whether it is a high or low note.

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