Archives of Acoustics Quarterly, Volume 10Polish Scientific Publishers., 1985 - Sound |
Contents
W Rdzanek Acoustic pressure of a system of con | 3 |
A Puch Rectangular sources and systems of sound | 17 |
sound intensity measurement | 37 |
31 other sections not shown
Other editions - View all
Common terms and phrases
A-weighted absorption coefficient Accountancy Equation acoustic pressure acoustical intensity analysis Archives of Acoustics assumed attenuation baffle buildings calculated circular membrane constant curve dB(A defined density depending determined deviation diffraction direction directionality distance Doppler signal duration effect energy environment equation evaluation experimental expression formula frequency changes occurring frequency modulation Gdańsk given impedance instruments intervals investigations irregular frequency changes jump frequency changes longitudinal wave mean measurement method microphone modulation noise and vibration noise band noise control noise propagation characteristics observation point obtained paper parameters partitions perception of irregular phase error phase shift piston playing Polish power spectrum Poznań pulse punch radiation respiratory reverberation road traffic noise sample volume shown in Fig sound energy density sound insulation sound intensity sound level sound pressure level sound source spectral surface theoretical threshold tion ultrasonic vehicle vessel vibration control vibration velocity amplitude viscoelastic