Sonar

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Sonar (originally an acronym for SOund Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in Submarine navigation) to navigate, communicate with or detect other vessels. (Wikipedia.org)






Conferences related to Sonar

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2016 IEEE International Ultrasonics Symposium (IUS)

International Symposium dealing with recent developments on ultrasound, including ultrasound imaging, transducers, non destructuve testing and physical acoustics.

  • 2015 IEEE International Ultrasonics Symposium (IUS)

    Annual meeting of the UFFC Society that is being held regularly. It is focusing on ultrasonics.

  • 2013 IEEE International Ultrasonics Symposium (IUS)

    the joint IUS, ISAF, IFC, and EFTF conference is aimed at bringing the ultrasonics, ferroelectrics, Frequency Control and Time Forum communities around the world together more closely and through discussions on recent research and development of fundamentals, materials, devices, and applications .

  • 2012 IEEE International Ultrasonics Symposium

    The conference will bring together the community of ultrasonics around the world in the center of Europe for discussion and cooperation and to stimulate the research and development in the widespread field of ultrasonic theories and applications

  • 2011 IEEE International Ultrasonics Symposium (IUS)

    The Symposium is aimed at bringing the ultrasonics communities around the world together more closely and through discussions on recent research and development of ultrasonics theories and applications.

  • 2010 IEEE Ultrasonics Symposium (IUS)

    The conference will cover all high frequency Ultrasound application including medical.

  • 2009 IEEE International Ultrasonics Symposium

    Conference includes short courses on topics of current interest in ultrasonics. The next three days will include parallel oral and poster sessions covering 1) Medical Ultrasonics, 2) Sensors, NDE & Industrial Applications, 3) Physical Acoustics, 4) Microacoustics SAW, FBAR, MEMS, and 5) Transducers & Transducer Materials.

  • 2008 IEEE Ultrasonics Symposium

  • 2007 IEEE Ultrasonics Symposium

  • 2006 IEEE Ultrasonics Symposium


OCEANS 2016

The Marine Technology Scociety and the Oceanic Engineering Society of the IEEE cosponor a joint annual conference and exposition on ocean science, engineering, and policy. The OCEANS conference covers four days. One day for tutorials and three for approx. 500 technical papers and 150 -200 exhibits.

  • OCEANS 2015 - MTS/IEEE Washington

    The Marine Technology Scociety and the Oceanic Engineering Society of the IEEE cosponor a joint annual conference and exposition on ocean science, engineering, and policy. The OCEANS conference covers four days. One day for tutorials and three for approx. 450 technical papers and 150-200 exhibits.

  • OCEANS 2014

    The OCEANS conference covers four days. One day for tutorials and three for approx. 450 technical papers and 150-200 exhibits.

  • OCEANS 2013

    Three days of 8-10 tracks of technical sessions (400-450 papers) and concurent exhibition (150-250 exhibitors)

  • OCEANS 2012

    Ocean related technology. Tutorials and three days of technical sessions and exhibits. 8-12 parallel technical tracks.

  • OCEANS 2011

    The Marine Technology Society and the Oceanic Engineering Scociety of the IEEE cosponsor a joint annual conference and exposition on ocean science engineering, and policy.

  • OCEANS 2010

    The Marine Technology Society and the Oceanic Engineering Scociety of the IEEE cosponsor a joint annual conference and exposition on ocean science engineering, and policy.

  • OCEANS 2009

  • OCEANS 2008

    The Marine Technology Society (MTS) and the Oceanic Engineering Society (OES) of the Institute of Electrical and Electronic Engineers (IEEE) cosponsor a joint conference and exposition on ocean science, engineering, education, and policy. Held annually in the fall, it has become a focal point for the ocean and marine community to meet, learn, and exhibit products and services. The conference includes technical sessions, workshops, student poster sessions, job fairs, tutorials and a large exhibit.

  • OCEANS 2007

  • OCEANS 2006

  • OCEANS 2005


2014 Joint IEEE International Symposium on the Applications of Ferroelectrics, International Workshop on Acoustic Transduction Materials and Devices & Workshop on Piezoresponse Force Microscopy (ISAF/IWATMD/PFM)

This conference covers the development of ferroelectric materials for a wide range of applications, including piezoelectrics, dielectrics, electro-optics, pyroelectrics, flexoelectrics, energy harvesting, non-volatile memory, and logic elements.

  • 2013 Joint IEEE Int'l Symp on Applications of Ferroelectrics & Workshop on Piezoresponse Force Microscopy (ISAF/PFM)

    •Dielectric, piezoelectric and ferroelectric materials•Fundamentals of ferroelectrics and piezoelectrics•Processing of ferroelectric crystals, ceramics and films•Characterisation and properties of ferroelectrics

  • 2012 Joint 21st IEEE ISAF / 11th IEEE ECAPD / IEEE PFM (ISAF/ECAPD/PFM)

    ISAF-ECAPD-PFM aims to provide a forum to present and discuss the state-of-the-art developments in the field of ferroelectrics and related materials and their applications, including novel nanoscale methods of their investigation.

  • 2011 Joint IEEE Int'l Symp on Applications of Ferroelectrics/Int'l Symp on Piezoresponse Force Microscopy & Nanoscale Phenomena in Polar Materials

    The scope of the conference is to provide an international forum to discuss the latest developments in the field of ferroelectrics and related materials and their applications, including theory and modelling, materials preparation and characterization and device physics and processing.

  • 2010 IEEE International Symposium on the Applications of Ferroelectrics (ISAF) & European Conference on the Applications of Polar Dielectrics (ECAPD)

    Reports on the latest developments in the field of ferroelectric materials and their applications.

  • 2009 IEEE International Symposium on the Applications of Ferroelectrics (ISAF)

    The meeting covers a broad range of physics, processing, characterization and applications of ferroelectric and related materials.


OCEANS 2014 - TAIPEI

The OCEANS conference covers all aspects of ocean engineering from physics aspects through development and operation of undersea vehicles and equipment.

  • OCEANS 2013 - NORWAY

    Ocean related technologies. Program includes tutorials, three days of technical papers and a concurrent exhibition. Student poster competition.

  • OCEANS 2012 - YEOSU

    The OCEANS conferences covers four days with tutorials, exhibits and three days of parallel tracks that address all aspects of oceanic engineering.

  • OCEANS 2011 - SPAIN

    All Oceans related technologies.

  • OCEANS 2010 IEEE - Sydney

  • OCEANS 2009 - EUROPE

  • OCEANS 2008 - MTS/IEEE Kobe Techno-Ocean

  • OCEANS 2007 - EUROPE

    The theme 'Marine Challenges: Coastline to Deep Sea' focuses on the significant challenges, from the shallowest waters around our coasts to the deepest subsea trenches, that face marine, subsea and oceanic engineers in their drive to understand the complexities of the world's oceans.


2013 IEEE Digital Signal Processing and Signal Processing Education Meeting (DSP/SPE)

signal processing, sampling, extrapolation, interpolation, modeling, deconvolution, filtering and adaptive systems, time-frequency analysis, multi-dimensional signal processing, image and video processing, distributed signal processing, implementations of signal processing systems


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Periodicals related to Sonar

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Oceanic Engineering, IEEE Journal of

Bayes procedures; buried-object detection; dielectric measurements; Doppler measurements; geomagnetism; sea floor; sea ice; sea measurements; sea surface electromagnetic scattering; seismology; sonar; acoustic tomography; underwater acoustics; and underwater radio communication.


Ultrasonics, Ferroelectrics and Frequency Control, IEEE Transactions on

IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control was the number-three journal in acoustics in 2002, according to the annual Journal Citation Report (2002 edition) published by the Institute for Scientific Information. This publication focuses on the theory, design, and application on generation, transmission, and detection of bulk and surface mechanical waves; fundamental studies in physical acoustics; design of sonic ...




Xplore Articles related to Sonar

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Sonar data compression using non-uniform quantization and noise shaping

Lok S. Wong; Gregory E. Allen; Brian L. Evans 2014 48th Asilomar Conference on Signals, Systems and Computers, 2014

Sonar sensor arrays potentially produce huge amounts of data to be recorded or transmitted over a telemetry system. Compression can reduce the required storage or transmission bandwidth, or allow a larger or higher fidelity array. We use a dataset for a sonar array receiving acoustic communication signals from a transmitter in a lake test. We compress the received signals to ...


Development of a hardware based underwater target identification system

Mary Ann Austin; B. Muralikrishnan; M. H. Supriya; P. R. Saseendran Pillai 2009 International Symposium on Ocean Electronics (SYMPOL 2009), 2009

An underwater target identification system comprising of a sensing element signal conditioner and a digital signal processor used for identifying targets of interest is presented in this paper. The sensing element picks up the noise waveforms emanating from the targets and the signal conditioner pre-processes and filters the captured signal into the desired spectral band for signal analysis. Signature features ...


Marine seafloor sediment profiling and classification in the Arctic Ocean

T. B. Opishinski; D. D. Caulfield OCEANS 2000 MTS/IEEE Conference and Exhibition, 2000

Ocean Data Equipment Corporation redesigned their FM Chirp sub-bottom profiler, the Bathy 2000P, for operation aboard a US Navy Sturgeon-class nuclear powered submarine. Normally operated from a surface vessel, the Bathy 2000P was customized to meet specifications provided by scientists from Lamont-Doherty Earth Observatory of Columbia University for use as an Arctic research tool. An overview of the system design ...


Comparison of Gene Expression Effects in Liver Tissue and Primary Hepatocyte Cell Cultures After Exposure to Hexahydro-1, 3, 5Trinitro-1, 3, 5-Triazine

Edward J. Perkins; Wenjun Bao; Xin Guan; Choo-Yaw Ang; Russell D. Wolfinger; Tzu-Ming Chu; Ping Gong; Sharon A. Meyer; Laura Inouye Computer and Computational Sciences, 2006. IMSCCS '06. First International Multi-Symposiums on, 2006

We examined Sprague-Dawley rat liver tissue and primary hepatocyte cells to understand how they compared in gene expression responses to hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX). Gene expression was analyzed in primary cell cultures exposed to 7.5, 15, or 30 mg/L RDX for 24 and 48 hours. Cells were compared to liver from rats 24 hours after exposure to 12, 24, or 48 mg/Kg ...


Multitaper Array Processing

Kathleen E. Wage 2007 Conference Record of the Forty-First Asilomar Conference on Signals, Systems and Computers, 2007

Thomson's multitaper approach generates estimates of the power spectrum by averaging individual "eigenspectra" obtained using a set of orthogonal window functions. The multitaper method is designed to work with very low sample support, typically a single snapshot of data, making it very attractive for the analysis of nonstationary or transient signals. This paper explores the use of the multitaper approach ...


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Educational Resources on Sonar

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eLearning

Sonar data compression using non-uniform quantization and noise shaping

Lok S. Wong; Gregory E. Allen; Brian L. Evans 2014 48th Asilomar Conference on Signals, Systems and Computers, 2014

Sonar sensor arrays potentially produce huge amounts of data to be recorded or transmitted over a telemetry system. Compression can reduce the required storage or transmission bandwidth, or allow a larger or higher fidelity array. We use a dataset for a sonar array receiving acoustic communication signals from a transmitter in a lake test. We compress the received signals to ...


Development of a hardware based underwater target identification system

Mary Ann Austin; B. Muralikrishnan; M. H. Supriya; P. R. Saseendran Pillai 2009 International Symposium on Ocean Electronics (SYMPOL 2009), 2009

An underwater target identification system comprising of a sensing element signal conditioner and a digital signal processor used for identifying targets of interest is presented in this paper. The sensing element picks up the noise waveforms emanating from the targets and the signal conditioner pre-processes and filters the captured signal into the desired spectral band for signal analysis. Signature features ...


Marine seafloor sediment profiling and classification in the Arctic Ocean

T. B. Opishinski; D. D. Caulfield OCEANS 2000 MTS/IEEE Conference and Exhibition, 2000

Ocean Data Equipment Corporation redesigned their FM Chirp sub-bottom profiler, the Bathy 2000P, for operation aboard a US Navy Sturgeon-class nuclear powered submarine. Normally operated from a surface vessel, the Bathy 2000P was customized to meet specifications provided by scientists from Lamont-Doherty Earth Observatory of Columbia University for use as an Arctic research tool. An overview of the system design ...


Comparison of Gene Expression Effects in Liver Tissue and Primary Hepatocyte Cell Cultures After Exposure to Hexahydro-1, 3, 5Trinitro-1, 3, 5-Triazine

Edward J. Perkins; Wenjun Bao; Xin Guan; Choo-Yaw Ang; Russell D. Wolfinger; Tzu-Ming Chu; Ping Gong; Sharon A. Meyer; Laura Inouye Computer and Computational Sciences, 2006. IMSCCS '06. First International Multi-Symposiums on, 2006

We examined Sprague-Dawley rat liver tissue and primary hepatocyte cells to understand how they compared in gene expression responses to hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX). Gene expression was analyzed in primary cell cultures exposed to 7.5, 15, or 30 mg/L RDX for 24 and 48 hours. Cells were compared to liver from rats 24 hours after exposure to 12, 24, or 48 mg/Kg ...


Multitaper Array Processing

Kathleen E. Wage 2007 Conference Record of the Forty-First Asilomar Conference on Signals, Systems and Computers, 2007

Thomson's multitaper approach generates estimates of the power spectrum by averaging individual "eigenspectra" obtained using a set of orthogonal window functions. The multitaper method is designed to work with very low sample support, typically a single snapshot of data, making it very attractive for the analysis of nonstationary or transient signals. This paper explores the use of the multitaper approach ...


More eLearning Resources

IEEE-USA E-Books

  • World War II and Electrical Technology

    This chapter contains sections titled: The World War Resumed Electrical Technology in Battle Control Systems and Computers The Battle of the Atlantic, Codebreaking, and Sonar

  • Electrons in War and Peace

    This chapter contains sections titled: War Stimulates Invention Radar Began with Hertz Microwave Radar Countermeasures Termination of the Work Spin-Offs in Peace Time Sonar: Underwater ¿Radar¿ Electronic Aids to Navigation Mobile Communications From Missiles to Satellites Satellites that Talk Back Eyes in the Skies For Further Reading

  • Visual Looming as a range sensor for mobile robots

    This paper describes and evaluates visual looming as a method for monocular range estimation. The looming algorithm is based on the relationship between displacements of the observer relative to an object, and the resulting change in the size of the object's image on the focal plane of the camera. Though the looming algorithm has been described in detail in prior reports, its usefulness for inexpensive, robust ranging has not been realized widely. In this paper we analyze visual looming as a visual range sensor for autonomous mobile robots. Systematic experiments with a Pioneer i mobile robot show that visual looming can be used to extract ranging information much as with sonar. The accuracy of the looming algorithm is found to be significantly more robust than sonar when the object whose distance is being measured is slanted relative to the robot's line of sight. On the other hand, sonar is better suited for objects that cannot be visually segmented from their background, or objects that do not fit entirely within the focal plane. The results suggest that looming can be used as a robust, inexpensive range sensor as a complement to sonar.

  • Introduction

    This chapter contains sections titled: The Definition of a Conformal Antenna Why Conformal Antennas? History Metal Radomes Sonar Arrays References

  • Glossary of Principal Symbols

    This IEEE Classic Reissue provides at an advanced level, a uniquely fundamental exposition of the applications of Statistical Communication Theory to a vast spectrum of important physical problems. Included are general analysis of signal detection, estimation, measurement, and related topics involving information transfer. Using the statistical Bayesian viewpoint, renowned author David Middleton employs statistical decision theory specifically tailored for the general tasks of signal processing. Dr. Middleton also provides a special focus on physical modeling of the canonical channel with real-world examples relating to radar, sonar, and general telecommunications. This book offers a detailed treatment and an array of problems and results spanning an exceptionally broad range of technical subjects in the communications field. Complete with special functions, integrals, solutions of integral equations, and an extensive, updated bibliography by chapter, An Introduction to Statistical Communication Theory is a seminal reference, particularly for anyone working in the field of communications, as well as in other areas of statistical physics. (Originally published in 1960.)

  • An Introduction to Statistical Communication Theory

    This IEEE Classic Reissue provides at an advanced level, a uniquely fundamental exposition of the applications of Statistical Communication Theory to a vast spectrum of important physical problems. Included are general analysis of signal detection, estimation, measurement, and related topics involving information transfer. Using the statistical Bayesian viewpoint, renowned author David Middleton employs statistical decision theory specifically tailored for the general tasks of signal processing. Dr. Middleton also provides a special focus on physical modeling of the canonical channel with real-world examples relating to radar, sonar, and general telecommunications. This book offers a detailed treatment and an array of problems and results spanning an exceptionally broad range of technical subjects in the communications field. Complete with special functions, integrals, solutions of integral equations, and an extensive, updated bibliography by chapter, An Introduction to Statistical Communication Theory is a seminal reference, particularly for anyone working in the field of communications, as well as in other areas of statistical physics. (Originally published in 1960.)

  • Global localization and topological map-learning for robot navigation

    This paper describes a navigation system implemented on a real mobile robot. Using simple sonar and visual sensors, it makes possible the autonomous construction of a dense topological map representing the environment. At any time during the mapping process, this system is able to globally localize the robot, i.e. to estimate the robot's position even if the robot is passively moved from one place to another within the mapped area. This is achieved using algorithms inspired by Hidden Markov Models adapted to the on-line building of the map. Advantages and drawbacks of the system are discussed, along with its potential implications for the understanding of biological navigation systems

  • From Bat Pinnae to Sonar Antennae: Augmented Obliquely Truncated Horns as a Novel Parametric Shape Model

    Biosonar systems operating in air (bats) use intricate baffle shapes for shaping the sonar beam pattern. Because of its relative ease of implementation, beamforming with such baffle shapes is also an attractive solution for enhancing the sonar-sensing capabilities of animats. The work presented here introduces a novel family of parametric, biologically inspired, baffle-shapes for sonar sensors: augmented obliquely truncated horns. The structural features of these shapes are: an obliquely truncated horn, a washboard ripple pattern on its inner surface, and a pin-shaped flap ("tragus") partially occluding the aperture through which sound enters the baffle. Shapes generated by this model can be completely controlled with 22 parameters. Numerical methods to generate representations of these shapes, evaluate their acoustic properties, and visualize the results are described. The investigated acoustical system properties are: directivity pattern, shape of iso-gain surfaces in three dimensions and gain contours on planar cuts through the spatial distribution of the gain. The last property (cuts) serves as a representation of the shape of a sonar spotlight shone onto an extended target of relatively low curvature. The results demonstrate that ripple and tragus have a profound impact on the functional properties of the baffle shapes. The most prominent effects include breaking of symmetry and generation of side lobes in different frequency bands. The two features have been shown offer the opportunity to shape the spatial distribution of receiver gain into a large number of profoundly different configurations. Evidence of interactions between the features indicates that a combination of both features may generate system properties inaccessible through any one feature alone. The tool-chain of numerical methods used in the present work establishes a foundation for f uture investigations of performance measures to be used in optimizing the baffle shapes for a particular task.

  • Applications to Special Systems

    This IEEE Classic Reissue provides at an advanced level, a uniquely fundamental exposition of the applications of Statistical Communication Theory to a vast spectrum of important physical problems. Included are general analysis of signal detection, estimation, measurement, and related topics involving information transfer. Using the statistical Bayesian viewpoint, renowned author David Middleton employs statistical decision theory specifically tailored for the general tasks of signal processing. Dr. Middleton also provides a special focus on physical modeling of the canonical channel with real-world examples relating to radar, sonar, and general telecommunications. This book offers a detailed treatment and an array of problems and results spanning an exceptionally broad range of technical subjects in the communications field. Complete with special functions, integrals, solutions of integral equations, and an extensive, updated bibliography by chapter, An Introduction to Statistical Communication Theory is a seminal reference, particularly for anyone working in the field of communications, as well as in other areas of statistical physics. (Originally published in 1960.)

  • Applied PhysicsBased Processors

    This chapter contains sections titled: MBP for Reentry Vehicle Tracking MBP for Laser Ultrasonic Inspections MBP for Structural Failure Detection MBP for Passive Sonar Direction-of-Arrival and Range Estimation MBP for Passive Localization in a Shallow Ocean MBP for Dispersive Waves MBP for Groundwater Flow Summary References



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