Physics of Sound in the Sea, Parts 2-3Gordon and Breach, 1968 - Sound |
Contents
CHAPTER PAGE | 3 |
Experimental Procedures | 28 |
DeepWater Reverberation | 37 |
Copyright | |
10 other sections not shown
Common terms and phrases
acoustics altitude angles amplitude aspect angle assumption attenuation coefficient average reverberation backward scattering coefficient beam aspect beam target strength beration bottom reverberation calibration Chapter 12 conning tower curves db per kyd decrease deep scattering layer degrees depth direct measurements echo intensity echo level echo-ranging energy equation Figure fluctuation frequency Fresnel zone gear grazing angle horizontal hydrophone msec observed obtained optical ping length plotted predicted projector pulse length RANGE IN YARDS Rayleigh distribution received reverberation records reflected sound refraction rever reverberation intensity reverberation levels reverberation peak S-boat San Diego scattered sound scattering coefficient scattering layer Section ship signal length sound beam specular reflection sphere STRENGTH IN DECIBELS submarine surface reverberation surface scattering surface vessel target strength target strength measurements theoretical thermocline tion transducer transmission anomaly transmission loss UCDWR USS Sand Lance values variation volume reverberation wave wavelength wind speeds