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Science > Acoustics

weighted sound pressure level

Science; Acoustics

Weighted sound pressure level is the frequency weighted and exponential time weighted - sound pressure level.

impact sound

Science; Acoustics

The sound produced by the collision of two solid objects. Typical sources are footsteps, dropped objects, etc., on an interior surface (wall, floor, or ceiling) of a building.

power spectral density (PSD)

Science; Acoustics

The spectral density of the wave, when multiplied by an appropriate factor, will give the power carried by the wave, per unit frequency, known as the power spectral density (PSD) ...

spectral density

Science; Acoustics

The spectral density of the wave, when multiplied by an appropriate factor, will give the power carried by the wave, per unit frequency, known as the power spectral density (PSD) ...

sound speed gradient

Science; Acoustics

The speed of sound decreases with decreasing temperature and creates a negative sound speed gradient. An increase in temperature results in a positive sound speed gradient

equilibrium

Science; Acoustics

The state of a body or physical system at rest or in un accelerated motion in which the resultant of all forces acting on it is zero and the sum of all torques about any axis is ...