animation of acoustic modes of a rectangular room - room acoustics-animation of acoustic modes of a rectangular room- room acoustics

The main problem in dustrial application of bearing vibration diagnostics is the masking of informative bearing signal by machine noise. The vibration signal of the rolling bearing is often covered or concealed by other structural vibrations sour

ISO3745-2012 用于声学测试的消声室的建设指标和测试说明手册-Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic rooms and hemi-anechoic rooms