Underwater Acoustic SystemsPart of a series which is aimed primarily at a professional engineering or postgraduate student audience, this book concerns the basics of the propagation of sound in the sea, the problems of waveform analysis, underwater acoustic equipment and underwater acoustic communication. |
Contents
Series Editors Foreword | 4 |
The Sonar Equations | 16 |
Characteristics and Analysis of Sonar Waveforms | 32 |
Copyright | |
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Common terms and phrases
acoustic impedance acoustic intensity ambient noise amplifier amplitude analyser angle of incidence applications array attenuation backscatter bandwidth bottom calculation cepstrum ceramic channel correlation function decibels depth detonation echo sounder effect electronics elements energy engineering equalisation example exhibit filter Fourier Transform horizontal hydrophone illustrated in figure Incident angle increase layer measured metre MRayl multipath normal modes ocean output parameter path phase piezo-electric plane polar response pressure field pressure fluctuation problem projector propagation pulse R₁₂ range ratio Ray Tracing receive transducers received signal referred Reflection and Transmission reflection coefficient relative resonance reverberation scattering sea-bed sea-floor sea-surface sea-water shown in figure sonar equations spatial spectral density spectrum surface synthetic aperture Synthetic Aperture Sonar target strength thermocline transducer transmission frequency transmission loss transmitted typically underwater acoustics utilise variability velocimeter velocity vertical voltage waveform wavelength µPa