01473nam 2200445I 450 991071282140332120200207105805.0(CKB)5470000002497972(OCoLC)1139709173(EXLCZ)99547000000249797220200207j202001 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierNASA ETR Quiet Zone Probe Study /Larry A. Ticatch [and three others][Washington, D.C.] :[National Aeronautics and Space Administration],January 2020.1 online resource (119 pages, 1 unnumbered page) color illustrationsNASA/TM ;2020-220434"January 2020."National Aeronautics and Space Administration Experimental Test Range Quiet Zone Probe StudyCollimationnasatFar fieldsnasatAsymmetrynasatAcoustic propertiesnasatPlane wavesnasatCollimation.Far fields.Asymmetry.Acoustic properties.Plane waves.Ticatch Larry A.1392499United States.National Aeronautics and Space Administration,GPOGPOBOOK9910712821403321NASA ETR Quiet Zone Probe Study3447293UNINA