Underwater Acoustic Altimeter

A model for determining the reflected-pulse shape during vertical sounding of the sea surface by an underwater ultrasonic sonar with a wide antenna pattern is developed. The reflected-pulse shape dependence on the parameters of an underwater acoustic altimeter and the measurement schemes is studied....

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Bibliographic Details
Published in:Radiophysics and quantum electronics 2014-12, Vol.57 (7), p.488-497
Main Authors: Karaev, V. Yu, Meshkov, M. E., Titchenko, Yu. L.
Format: Article
Language:English
Subjects:
Algorithms
Altimeters
Analysis
Antennas
Antennas (Electronics)
Astronomy
Astrophysics and Astroparticles
Computational efficiency
Hadrons
Heavy Ions
Lasers
Mathematical and Computational Physics
Mathematical models
Nuclear Physics
Observations and Techniques
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Quantum electronics
Quantum Optics
Sonar
Theoretical
Underwater acoustics
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Summary:A model for determining the reflected-pulse shape during vertical sounding of the sea surface by an underwater ultrasonic sonar with a wide antenna pattern is developed. The reflected-pulse shape dependence on the parameters of an underwater acoustic altimeter and the measurement schemes is studied. The wave-height retrieval algorithm whose input parameter is the reflectedpulse leading-edge duration is developed. The algorithm efficiency is confirmed by numerical simulation. The obtained formula for the wave height involves the coefficients which depend on many characteristics among which the submersion depth, the beamwidth, and the soundingpulse duration are the main parameters. Therefore, the formula should be specified according to variations in the measurement scheme and the acoustic-system parameters.
ISSN:0033-8443
1573-9120
DOI:10.1007/s11141-014-9531-8