NDLI: Obstacle avoidance sonar-an analysis of system requirements and detection performance during near-bottom operation

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Obstacle avoidance sonar-an analysis of system requirements and detection performance during near-bottom operation

Content Provider	IEEE Xplore Digital Library
Author	Shaw, M.T.
Copyright Year	1990
Description	Author affiliation: Sonatech Inc., Santa Barbara, CA, USA (Shaw, M.T.)
Abstract	An obstacle avoidance sonar (OAS) is designed to provide spatial information concerning the underwater environment, through an interface, to the guidance and control subsystem of an autonomous underwater vehicle (AUV). An OAS sensor system requirements analysis for near-bottom operation is presented using characteristic environmental and operational parameters. The analysis shows that higher spatial resolution (beam patterns and shortened pulse lengths) is needed to provide effective obstacle detection when operating near the bottom. Simple modifications to an existing obstacle avoidance sonar provide these features and result in an effective obstacle avoidance sonar for near-bottom operation. Detection performance calculations for the unmodified and modified versions of the obstacle avoidance sonar are presented.<>
Starting Page	223
Ending Page	228
File Size	499244
Page Count	6
File Format	PDF
DOI	10.1109/AUV.1990.110461
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1990-06-05
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Performance analysis Sonar detection Underwater vehicles Sonar measurements Remotely operated vehicles Vehicle detection Sensor systems Object detection Reverberation Underwater tracking
Content Type	Text
Resource Type	Article

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