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检索条件"机构=MIT/WHOI Joint Program in Oceanography/Applied Ocean Sciences and Engineering"
51 条 记 录,以下是41-50 订阅
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Exactly Sparse Delayed-State Filters
Exactly Sparse Delayed-State Filters
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IEEE International Conference on Robotics and Automation (ICRA)
作者: R.M. Eustice H. Singh J.J. Leonard MIT/WHOI Joint Program in Applied Ocean Science and Engineering Woods Hole Oceanographic Institution Woods Hole MA USA Department of Applied Ocean Physics and Engineering Woods Hole Oceanographic Institution Woods Hole MA USA Department of Ocean Engineering Massachusetts Institute of Technology Cambridge MA USA
This paper presents the novel insight that the SLAM information matrix is exactly sparse in a delayed-state framework. Such a framework is used in view-based representations of the environment which rely upon scan-mat... 详细信息
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Characterization of range‐dependent shallow water waveguides
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The Journal of the Acoustical Society of America 2005年 第S1期80卷 S52-S52页
作者: George V. Frisk Ferdinand J. Diemer Peter H. Dahl Department of Ocean Engineering Woods Hole Oceanographic Institution Woods Hole MA 02543 MIT/WHOI Joint Program in Oceanography/Oceanographic Engineering Woods Hole MA 02543
A technique for characterizing range‐dependent shallow water waveguides is described. The method consists of determining the beamformed output of a horizontal array over short apertures for signals due to a cw point ...
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A modal/WKB inversion method for determining sound‐speed profiles in the ocean and ocean bottom
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The Journal of the Acoustical Society of America 2005年 第S1期84卷 S175-S175页
作者: Kevin D. Casey George V. Frisk MIT/WHOI Joint Program in Oceanography/Oceanographic Engineering Woods Hole MA 02543 Department of Ocean Engineering Woods Hole Oceanographic Institute Woods Hole MA 02543
Two approaches to determining sound‐speed profiles in the ocean and ocean bottom using measured acoustic modal eigenvalues are examined. Both methods use measured eigenvalues and mode‐dependent assumed values of the...
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Low‐frequency diffraction from a free surface coupled to a semi‐infinite elastic surface as modeled by sea ice properties
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The Journal of the Acoustical Society of America 2005年 第S1期85卷 S50-S50页
作者: Peter H. Dahl George V. Frisk MIT/WHOI Joint Program in Oceanography/Oceanographic Engineering Department of Ocean Engineering Massachusetts Institute of Technology Cambridge MA 02139 Department of Ocean Engineering Woods Hole Oceanographic Institution Woods Hole MA 02543
This paper discusses the solution of a low‐frequency plane wave incident upon a semi‐infinite elastic plate, such as an Arctic ice lend or free edge, using the Wiener‐Hopf method. By low‐frequency it is meant that...
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A self‐consistent theory of wave propagation and scattering through weakly inhomogeneous media
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The Journal of the Acoustical Society of America 2005年 第S1期85卷 S70-S70页
作者: Dajun Tang George V. Frisk MIT/WHOI Joint Program in Oceanography/Oceanographic Engineering Department of Ocean Engineering Massachusetts Institute of Technology Cambridge MA 02139 Department of Ocean Engineering Woods Hole Oceanographic Institution Woods Hole MA 02543
A unified perturbation approach to wave propagation and scattering in weakly inhomogeneous media is presented. By separating the total wave field into an averaged coherent propagation part and a random scattering part...
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An integral equation approach to range‐dependent boundary value problems in ocean acoustics
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The Journal of the Acoustical Society of America 2005年 第S1期83卷 S117-S117页
作者: Peter H. Dahl George V. Frisk MIT/WHOI Joint Program in Oceanography/Oceanographic Engineering Woods Hole Oceanographic Institution Woods Hole MA 02543 Department of Ocean Engineering Woods Hole Oceanographic Institution Woods Hole MA 02543
In ocean acoustics, the introduction of range discontinuities, for example, the water‐to‐ice canopy surface, creates a mixed boundary value problem. In this paper, an exact solution of certain mixed boundary value p...
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Visually augmented navigation in an unstructured environment using a delayed state history
Visually augmented navigation in an unstructured environment...
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IEEE International Conference on Robotics and Automation (ICRA)
作者: R. Eustice O. Pizarro H. Singh MIT/WHOI Joint Program in Applied Ocean Science and Engineering Massachusetts Institute of Technology Cambridge MA USA Department of Applied Ocean Physics and Engineering Woods Hole Oceanographic Institution Woods Hole MA USA
This work describes a framework for sensor fusion of navigation data with camera-based 5 DOF relative pose measurements for 6 DOF vehicle motion in an unstructured 3D underwater environment. The fundamental goal of th... 详细信息
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Micro-bathymetric mapping using acoustic range images
Micro-bathymetric mapping using acoustic range images
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oceanS
作者: C. Roman H. Singh MIT/WHOI Joint Program in Applied Ocean Science and Engineering Massachusetts Institute of Technology Cambridge MA USA Department of Applied Ocean Physics and Engineering Woods Hole Oceanographic Institution Woods Hole MA USA
This work focuses on the creation of high resolution micro-bathymetric maps using a high frequency pencil beam sonar. These maps typically cover areas of 10's to 100's of square meters. Data is collected using... 详细信息
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Coherent source direction estimation for three-row bathymetric sidescan sonars
Coherent source direction estimation for three-row bathymetr...
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Proceedings of the oceanS '99 MTS/IEEE - Riding the Crest into the 21st Century
作者: Xu, Wen Stewart, W.Kenneth MIT/WHOI Joint Program in Applied Ocean Physics and Engineering Cambridge United States
In the context of three-row bathymetric sidescan sonars, a coherent source direction estimator (CSDE) is proposed to resolve two sources from different direction. This method is compared with the ESPRIT-based approach... 详细信息
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Coherent source direction estimation for three-row bathymetric sidescan sonars
Coherent source direction estimation for three-row bathymetr...
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oceanS
作者: Wen Xu W.K. Stewart MIT/WHOI Joint Program in Applied Ocean Physics and Engineering Cambridge MA USA Virtual Marine Associates Inc. Fort Pierce FL USA
In practical applications with bathymetric sidescan sonar, the multipath reflection and other directional interferences are the key limiting factors for a better performance. To deal with this problem, a multiple-row ... 详细信息
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