Download Acoustic Signal Processing for Ocean Exploration by Finn B. Jensen (auth.), José M. F. Moura, Isabel M. G. PDF

By Finn B. Jensen (auth.), José M. F. Moura, Isabel M. G. Lourtie (eds.)

Acoustic sign Processing for Ocean Explortion has significant ambitions: (i) to give sign processing algorithms that take into consideration the types of acoustic propagation within the ocean and; (ii) to offer a standpoint of the large set of thoughts, difficulties, and purposes coming up in ocean exploration.
The ebook discusses comparable matters and difficulties centred in version established acoustic sign processing tools. in addition to addressing the matter of the propagation of acoustics within the ocean, it provides suitable acoustic sign processing tools like matched box processing, array processing, and localization and detection concepts. those extra conventional contexts are herein enlarged to incorporate imaging and mapping, and new sign illustration versions like time/frequency and wavelet transforms. numerous utilized points of those subject matters, comparable to the appliance of acoustics to fisheries, sea flooring swath mapping via swath bathymetry and aspect test sonar, self reliant underwater autos and communications in underwater also are considered.

Show description

Read Online or Download Acoustic Signal Processing for Ocean Exploration PDF

Best nonfiction_8 books

Acoustic Signal Processing for Ocean Exploration

Acoustic sign Processing for Ocean Explortion has significant ambitions: (i) to offer sign processing algorithms that take into consideration the versions of acoustic propagation within the ocean and; (ii) to offer a point of view of the extensive set of ideas, difficulties, and functions coming up in ocean exploration.

Snake Robots: Modelling, Mechatronics, and Control

Snake Robots is a unique therapy of theoretical and sensible subject matters relating to snake robots: robot mechanisms designed to maneuver like organic snakes and ready to function in not easy environments during which human presence is both bad or most unlikely. destiny purposes of such robots comprise seek and rescue, inspection and upkeep, and subsea operations.

Variational Methods for Discontinuous Structures: Applications to image segmentation, continuum mechanics, homogenization Villa Olmo, Como, 8–10 September 1994

In recent times many researchers in fabric technology have centred their realization at the learn of composite fabrics, equilibrium of crystals and crack distribution in continua topic to quite a bit. while a number of new matters in machine imaginative and prescient and picture processing were studied extensive. the certainty of lots of those difficulties has made major development because of new equipment constructed in calculus of adaptations, geometric degree conception and partial differential equations.

Cellular Ca2+ Regulation

This booklet arose from a gathering held on the college of Washington, Seattle, in July of 1986. The assembly was once a satellite tv for pc symposium of the XXXth foreign Congress of Physiological Sciences which happened in Vancouver, canada, at the moment. 2 changes within the cytoplasmic Ca + focus of cells take place according to quite a few exterior signs.

Additional info for Acoustic Signal Processing for Ocean Exploration

Sample text

The numerical models presently available for system's performance prediction are capable of treating quite complicated fluid/elastic layered bottoms, but the limiting factor is often the lack of adequate bottom parameters as input. Subsequently, a large effort is currently engaged in designing new tools and methods for collecting bottom parameters as input to acoustic propagation models. This paper gives an overview of how the bottom properties influence the propagation loss with particular emphasis on shallow water.

As a result. a directional diagram of the ambient noise field is obtained which shows level versus frequency for all horizontal directions. Measurement results show directional spectra and the horizontal variations. They can be contributed to far distant ship traffic and the levels depend on number of ships. individuals ranges and the prevailing sound propagation conditions in the various directions. Directions of low traffic can be selected and the spectrum of the ambient noise can be computed.

References [1] I. S. Clay, Ocean Acoustics: Theory and Experiment in Underwater Sound (McGraw-Hill, New York, NY, 1966). S. Clay and H. Medwin, Acoustical Oceanography. (Wiley, New York, NY, 1977). M. Brekhovskikh and Yu. Lysanov, Fundamentals of Ocean Acoustics. (SpringerVerlag, Berlin, FRG, 1982). J. Urick, Principles of Underwater Sound, 3rd edition. (McGraw-Hill, New York, NY, 1983). [5] J. Sells chopp , Towed thermistor chain data collected during the cruise NORDMEER 87, Rep. FWG-87-4 (Forschungsanstalt der Bundeswehr fiiI Wassershall- und Geophysik, Kiel, FRG, 1987).

Download PDF sample

Rated 4.60 of 5 – based on 17 votes