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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A remote visualization system for financial trading

Ang Toon Wu; E. C. Prakash 2000 TENCON Proceedings. Intelligent Systems and Technologies for the New Millennium (Cat. No.00CH37119), 2000

A remote visualization system is proposed for the visualization of financial trading so as to provide a financial engineer at a remote site with the necessary decision support. The need to apply remote visualization to such a system is required because of the increasing need for an Internet based collaborative computational environment. By using such a proposed system, it is ...


Recovery Of An Advanced Unnanned Search System By The Advanced Thethered Vehicle

M. E. Neller; R. A. Bixler OCEANS 91 Proceedings, 1991

First Page of the Article ![](/xploreAssets/images/absImages/00613927.png)


Segmentation and classification using active contours based superellipse fitting on side scan sonar images for marine demining

Daniel Köhntopp; Benjamin Lehmann; Dieter Kraus; Andreas Birk 2015 IEEE International Conference on Robotics and Automation (ICRA), 2015

This paper proposes a new method for segmenting and classifying seamines on Synthetic Aperture Sonar (SAS) side scan images. The method uses an active contours approach and superellipse a-priori knowledge to segment the image in object, object-shadow and background areas. In contrast to other methods using superellipse constraints, the shape prior is incorporated directly into the segmentation process. This kind ...


Distributed detection with initial thresholds in local sensors

Shenghua Zhou; Yidi Chen; Hongwei Liu; Qinzhen Hu; Ding Cao; Leilei Xu 2015 IEEE Radar Conference, 2015

For distributed multiple-input multiple-output (MIMO) radar, signal fusion based detection algorithms can significantly improve the target detection performance, but it may demand a high communication cost. In order to reduce the communication cost with a tiny loss in detection performance, this paper studies a distributed radar detection scheme that would set initial thresholds at local radar sites before transmitting local ...


Optimal Design of Analog Signal Sets for Multiuser CDMA Communications

Zhuquan Zang; Weiyong Yang 2005 5th International Conference on Information Communications & Signal Processing, 2005

We investigate the design of an optimal set of analog signals with prescribed magnitude spectrum and quadratic phase structure such that the maximum cross correlation between signals in the set is minimized. Such a set of signals can be used as signature waveforms in multiuser CDMA communications. It is also useful in a number of signal processing applications. In this ...


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Educational Resources on Sonar

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eLearning

A remote visualization system for financial trading

Ang Toon Wu; E. C. Prakash 2000 TENCON Proceedings. Intelligent Systems and Technologies for the New Millennium (Cat. No.00CH37119), 2000

A remote visualization system is proposed for the visualization of financial trading so as to provide a financial engineer at a remote site with the necessary decision support. The need to apply remote visualization to such a system is required because of the increasing need for an Internet based collaborative computational environment. By using such a proposed system, it is ...


Recovery Of An Advanced Unnanned Search System By The Advanced Thethered Vehicle

M. E. Neller; R. A. Bixler OCEANS 91 Proceedings, 1991

First Page of the Article ![](/xploreAssets/images/absImages/00613927.png)


Segmentation and classification using active contours based superellipse fitting on side scan sonar images for marine demining

Daniel Köhntopp; Benjamin Lehmann; Dieter Kraus; Andreas Birk 2015 IEEE International Conference on Robotics and Automation (ICRA), 2015

This paper proposes a new method for segmenting and classifying seamines on Synthetic Aperture Sonar (SAS) side scan images. The method uses an active contours approach and superellipse a-priori knowledge to segment the image in object, object-shadow and background areas. In contrast to other methods using superellipse constraints, the shape prior is incorporated directly into the segmentation process. This kind ...


Distributed detection with initial thresholds in local sensors

Shenghua Zhou; Yidi Chen; Hongwei Liu; Qinzhen Hu; Ding Cao; Leilei Xu 2015 IEEE Radar Conference, 2015

For distributed multiple-input multiple-output (MIMO) radar, signal fusion based detection algorithms can significantly improve the target detection performance, but it may demand a high communication cost. In order to reduce the communication cost with a tiny loss in detection performance, this paper studies a distributed radar detection scheme that would set initial thresholds at local radar sites before transmitting local ...


Optimal Design of Analog Signal Sets for Multiuser CDMA Communications

Zhuquan Zang; Weiyong Yang 2005 5th International Conference on Information Communications & Signal Processing, 2005

We investigate the design of an optimal set of analog signals with prescribed magnitude spectrum and quadratic phase structure such that the maximum cross correlation between signals in the set is minimized. Such a set of signals can be used as signature waveforms in multiuser CDMA communications. It is also useful in a number of signal processing applications. In this ...


More eLearning Resources

IEEE-USA E-Books

  • No title

    Adaptive detection of signals embedded in correlated Gaussian noise has been an active field of research in the last decades. This topic is important in many areas of signal processing such as, just to give some examples, radar, sonar, communications, and hyperspectral imaging. Most of the existing adaptive algorithms have been designed following the lead of the derivation of Kelly's detector which assumes perfect knowledge of the target steering vector. However, in realistic scenarios, mismatches are likely to occur due to both environmental and instrumental factors. When a mismatched signal is present in the data under test, conventional algorithms may suffer severe performance degradation. The presence of strong interferers in the cell under test makes the detection task even more challenging. An effective way to cope with this scenario relies on the use of "tunable" detectors, i.e., detectors capable of changing their directivity through the tuning of proper parameters. The aim o this book is to present some recent advances in the design of tunable detectors and the focus is on the so-called two-stage detectors, i.e., adaptive algorithms obtained cascading two detectors with opposite behaviors. We derive exact closed-form expressions for the resulting probability of false alarm and the probability of detection for both matched and mismatched signals embedded in homogeneous Gaussian noise. It turns out that such solutions guarantee a wide operational range in terms of tunability while retaining, at the same time, an overall performance in presence of matched signals commensurate with Kelly's detector. Table of Contents: Introduction / Adaptive Radar Detection of Targets / Adaptive Detection Schemes for Mismatched Signals / Enhanced Adaptive Sidelobe Blanking Algorithms / Conclusions

  • Matrix CRLB Scaling Due to Measurements of Uncertain Origin

    In many estimation situations, measurements are of uncertain origin. This is best exemplified by the target-tracking situation in which at each scan (of a radar, sonar, or electro-optical sensor), a number of measurements are obtained, and it is not known which, if any, of these is target originated. The source of extraneous measurements can be false alarms-especially in low- SNR situations that force the detector at the end of the signal processing chain to operate with a reduced threshold-or spurious targets. In several earlier papers, the surprising observation was made that the Cramér-Rao lower bound (CRLB) for the estimation of a fixed parameter vector (e.g., initial position and velocity) that characterizes the target motion, for the special case of multidimensional measurements in the presence of additive white Gaussian noise, is simply a multiple of that for the case with no uncertainty. That is, there is a scalar information-reduction factor; this is particularly useful as it allows comparison in terms of a scalar. In this paper, we explore this result to determine how wide the class of such problems is. It turns out to include many non-Gaussian situations. Simulations corroborate the analysis.

  • 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

  • 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.)

  • Name Index

    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.)

  • Biomimetic Sonar Processing: From Dolphin Echolocation to Artificial Neural Networks

    Analysis of animal performance can provide important cues about the design of automated artificial biomimetic systems. On the basis of behavioral observations, we have been developing models of dolphin echolocation ability that have applicability to the design of biomimetic sonar systems. A dolphin was trained to perform an echolocation delayed matching-to-sample task. The clicks the animal generated during task performance were recorded and digitized along with the echoes returned by the stimulus objects. The dolphin's performance was then modeled using artifical neural networks.

  • Barankin Bound for Range and Doppler Estimation Using Orthogonal Signal Transmission

    In this paper, the Barankin bound for performance evaluation of target range and Doppler estimation by an active radar (or sonar) is derived. The Barankin bound is analyzed for two signal cases: pulse train with identical (coherent) signals between pulses, and pulse train with orthogonal coded signals. At high pulse repetition frequencies (PRF's), identical signal transmission results in high sidelobes in the ambiguity function, while orthogonal signal transmissions allows to reduce the sidelobes and the ambiguity level. The Barankin bound is shown to be an efficient tool for system analysis in the presence of ambiguities. It is shown that for the identical signals case, the threshold signal-to-noise ratio (SNR) predicted by the Barankin bound is higher than the orthogonal signals case. The results are accompanied by maximum likelihood (ML) simulations which show that the Barankin bound predicts the threshold SNR with a good accuracy. It is shown that at high SNR's, the Barankin bound, the Cramér-Rao bound and the ML coincide.

  • Medical Ultrasonic Imaging

    This chapter contains sections titled: Echolocation, Sonar for Submarine Detection, Echoes from the Body, Basic Equipment, Health Effects, Conclusion, Review Questions, Problems

  • Biomimetic Integration of Neural and Acoustic Signal Processing

    This chapter contains sections titled: Introduction Biomimetic Sonar Heads: State of the Art Biomimetic Antenna Shapes Ultrasonic Transducer Technology Actuation Neuromorphic Signal Processing Future Trends Acknowledgments References

  • Introduction

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



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