Atmospheric Physics and Sound Propagation Open PDF Document Details Document Type Technical Report Publication Date Sep 01, 1950 Accession Number ADA800370 Entities Organizations Pennsylvania State University Tags Communities of Interest Advanced Electronics Air Platforms Energy and Power Technologies Ground and Sea Platforms DTIC Thesaurus Topics Accuracy Acoustic Absorption Acoustic Impedance Acoustic Phenomena Acoustic Propagation Acoustic Properties Acoustic Signals Acoustic Waves Acoustics Diffraction Measurement Medical Personnel Resonant Frequency Standing Waves Transducers Wave Analyzers Waveforms