Source Directionality Issues in Anechoic Chamber Qualification
Friday, February 22, 2002 4:00 p.m. William McKenna Acoustic Systems http://www.acousticsystems.com/ Source directionality is a growing concern in the qualification of precision grade anechoic measurement chambers. In such a qualification, one moves a microphone away from an omnidirectional point source and monitors the deviation from spherical spreading in free space propagation by observing fluctuations in…