A SUMMARY OF UNDERWATER ACOUSTIC DATA. PART V. BACKGROUND NOISE Open PDF Document Details Document Type Technical Report Publication Date Jul 01, 1954 Accession Number AD0105841 Entities People A. W. Pryce R. J. Urick Organizations Office of Naval Research Tags Communities of Interest Ground and Sea Platforms DTIC Thesaurus Topics Acoustic Properties Acoustics Birds Boats Detection Echo Ranging Engineers Fish Machinery Noise Noise Reduction Propeller Noise Range Finding Ship Model Basins Sonar Sonar Equipment Towed Sonar Variable Depth Sonar