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Critical angle and seabed scattering issues for active-sonar performance predictions in shallow water

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Abstract
Active sonar performance predictions (0.75 to 3 kHz) are examined in summer shallow-water environments to quantify the impact of variable seabed and watermass properties on detection. Scattering is computed with an environmentally sensitive mod$ed Lambert's Law. The results show a) unmodified Lambert's Law yields optimistic performance by a factor of up to 30 in coarse sand, and b) with environmentally-sensitive scattering, performance is poor for sands (high, reverberation) and clays (high TL) and optimum for silty areas.

URI
http://hdl.handle.net/20.500.12489/411

Report Number
CP-45

Source
In: High Frequency Seafloor Acoustics (SACLANTCEN Conference Proceedings CP-45), 1997, pp. 123-130

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Date
1997

Author(s)
Del Balzo, Donald R.
; 
Leclere, James H.
; 
Collins, Mona J.

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CP-45_DelBalzo_CriticalAngleSeabedScattering.pdf (3.151Mb)

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