Search Results - "Proceedings of OCEANS'94"

The Stoneley-Scholte wave: Combination of three inhomogeneous plane waves by Favretto, N.

“…A new method, based on analysis of interface waves, and in particular on the Stoneley-Scholte wave, propagating at the water/sediment interface, is under…”
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Two-way solution of underwater sound propagation problem in two- and three-dimensional environment by pseudodifferential parabolic equation technique by Aviloff, C.V.

“…The paper presents some recipes for underwater sound calculations in 2D and 3D ocean models with sound speed and density slowly varying with horizontal…”
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Universal wave approach to ocean acoustic tomography and Cramer-Rao bounds of sound speed field recognition by Borodin, V.V., Minasian, G.R., Galaktionov, M.Yu

“…This work is devoted to the statistical approach to ocean acoustic tomography. Maximum-likelihood (ML) estimate of sound speed field is considered…”
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Studies of a C-band model function for friction velocity using coincident, simultaneous Ku-band scatterometer measurements by Weissman, D.E.

“…C-band scatterometer measurements during SWADE are being combined with coincident sea surface friction velocity estimates to create a new model function. The…”
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Eight years experience with the Elbe estuary environmental survey net by Grisard, K.

“…The company ME MEERESTECHNIK-ELEKTRONIK GmbH has operated since 1985 a network for the monitoring of environmentally relevant water quality parameters in the…”
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CARIOCA: drifting buoys to quantitatively assess the exchange of CO/sub 2/ at the interface atmosphere ocean Eureka Project EU 819 by Brault, P.

“…In order to complete the data concerning the CO/sub 2/ concentration at the surface of the ocean, which are today insufficient, the CARIOCA project aims to…”
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In-situ particle sizing at sea bottom interface by Lehaitre, M., Le Noac'h, A., Lunven, M., Szychter, H.

“…Particle size discrimination has been becoming practically available for direct underwater suspended matter quantification. At the bottom sediment water…”
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Bandwidth efficient modulation for underwater acoustic data-communication by Gray, C.A., Uehara, G.T., Lin, S.

“…Research in the design of combining coding with bandwidth efficient modulation known as coded modulation has shown that high data rate reliable transmission…”
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An equipment for simultaneous nuclei and biological activity measurements in deep sea water by Billard, J.-Y., Gindroz, B., Cerrutti, P., Geistdoerfer, F.

“…Cavitation, a main cause of noise on ship propellers, is a phase change phenomenon due to pressure decreasing instead of temperature increasing. This…”
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AMBRE: A new CTDO/sub 2/ data acquisition system by Lecornu, F., Mercier, H.

“…A new CTDO/sub 2/ (Conductivity, Temperature, Depth, dissolved Oxygen meter) data acquisition system called AMBRE has been recently developed at IFREMER. The…”
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Optimal observations of stationary turbulence with Lagrangian drifters by Owens, K., Piterbarg, L., Rozovskii, B.

“…The authors develop techniques for estimating homogenous turbulence based on Lagrangian position measurements. They thereby derive estimates for the…”
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Measurement device for the in-situ MAREL network monitoring station by Legrand, J.F., Vercelli, J.M., Sicard, J.P., Berthome, J.P.

“…The aim of the MAREL network is to automate the collection of data relative to the coastal water quality in order to follow up the levels and trends of…”
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Measurements with a three frequency echo sounder for the detection of suspended matter in a river estuary by Seibt-Winckler, A., Schirmer, F.

“…Field measurements of backscattered acoustic energy taken with a three frequency echo sounder in an estuary under tidal influences are presented. The vertical…”
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Modeling acoustic volume backscatter from two shallow-water marine environments by side-scan sonar by Lyons, A.P., Anderson, A.L., Orsi, T.H.

“…The authors use X-ray computed tomography (CT) of cores to provide three dimensional seafloor descriptions on scales much smaller than 1 cm/sup 3/. This scale…”
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Comparison between two methods for shallow water channel estimation by Mariotte, H., Labat, N.

“…The underwater acoustic channel is probably one of the most complicated environments for data communication. We present here two differents methods for the…”
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"Rocky Water 93/10": in-situ measurements supported by satellite remote sensing and high resolution ocean modelling in near real time by Wahl, T., Glattetre, J., Jenserud, T., Skoelv, A., Martinsen, E.A., Sveen, V.

“…"Rocky Water 93/10" was a major oceanographic experiment in Vestfjorden, Norway. The research vessel leading the in-situ measurements had near real time access…”
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Performance of high data rate acoustic underwater communication systems using adaptive beamforming and equalizing by Billon, D., Quellec, B.

“…An analytic approach is presented to assess the performance of an acoustic communication system from an underwater vehicle to its mothership where the signals…”
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Choice of ROV's thruster set power according to footprint's radius on steady motion by Herman, D.A., Kostenko, V.V., Mokeeva, I.G.

“…Thruster set power (TSP) determine such important performances of remote operated vehicle (ROV) as maneuverability and footprint's radius. This paper describes…”
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Development of a dynamic simulator for stability anal control of towed underwater vehicles by Nasuti, F., Lnnocenti, M., Balestrino, A.

“…The paper presents the derivation of a mathematical model and a simulation code for the analysis of stability and control characteristics of towed underwater…”
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Observing the large-scale variations of the ocean surface with Topex/Poseidon and a dynamical model: An application in the Gulf Stream region by Rogel, P., Minster, J.-F.

“…First results with 16 months of Topex/Poseidon data are presented. The unprecedent accuracy (of the order of 5 cm including orbit) of this data set makes…”
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