IEEE Organizations related to Underwater Tracking

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Periodicals related to Underwater Tracking

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Most published Xplore authors for Underwater Tracking

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Xplore Articles related to Underwater Tracking

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Portable deep underwater tracking systems

Ocean 72 - IEEE International Conference on Engineering in the Ocean Environment, 1972

Approaches for portable deep water acoustic tracking systems are considered, and a best approach is recommended. Two proposed systems, a bottom mounted beacon system and a bottom mounted transponder system, are described.


Microprocessor Acoustic Data Buoy

OCEANS '78, 1978

A unique microprocessor controlled digital instrument has been developed for the remote acquisition of underwater acoustic data. The buoy is designed to receive and process long range, low frequency transmissions. Currently it processes complement phase maximal-length shift-register sequences with a carrier frequency of 220 Hz, receives and processes transmissions from nearby moored beacons for phase tracking of buoy motion, and ...


Antenna array resolving power

Proceedings of the 6th International Scientific and Practical Conference of Students, Post-graduates and Young Scientists. Modern Techniques and Technology. MTT'2000 (Cat. No.00EX369), 2000

One solution of the problem of detection of leakage on underwater pipe lines is the creation of a system of visualization of the signal source of acoustic emission. Such a system contains two linear orthogonally oriented antenna arrays (AA), each of which provides sector scanning in a longitudinal plane. The author considers the resolving power of one of such array. ...


The Research of Integrated Navigation Applied to Synthetic Aperture Sonar Underwater

2009 5th International Conference on Wireless Communications, Networking and Mobile Computing, 2009

Motion compensation of synthetic aperture sonar (SAS) needs resort to the integrated navigation which can give the position, velocity and attitude of SAS. This paper discussed the inertial navigation system composed of SINS, the Doppler velocity log (DVL) and the high precise quartz depth gauge which acts as auxiliary sensor in vertical. A kind of Kalman filter algorithm for fast ...


The application of incoherent correlation detection method in stochastic resonance beam-forming

The 2010 IEEE International Conference on Information and Automation, 2010

At first, the basic principle and numerical method of bi-stable stochastic resonance (SR) system was described and the SR beam-forming method with single-frequency signal was studied to verify that the SR system could get a gain to the array element, but not with the Correlation Detection method (matched filter) be used together. Secondly, in order to use a detection algorithm, ...


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Educational Resources on Underwater Tracking

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IEEE.tv Videos

Hands-On with the Snorkel Mask Camera
Design of Monolithic Silicon-Based Envelope-Tracking Power Amplifiers for Broadband Wireless Applications
RF Power Amplifier Design for Pseudo Envelope Tracking
Learning Control and Knowledge Transfer Between Aerial Robots for Improved Accuracy in Trajectory Tracking
Digital Signal Processing for Envelope Tracking Systems
Design Considerations for Wideband Envelope Tracking Power Amplifiers
Envelope Tracking and Energy Recovery Concepts for RF Switch-mode Power Amplifiers
IROS TV 2019- How to Build a Robot: Marine Bio-inspired Soft Robotics
IROS TV 2019-Collaborative Robotics & Intelligent Systems Institute CoRIS at Oregon State University
IROS TV 2019- Khalifa University Robotics Institute- Khalifa University of Science & Technology
ICASSP 2010 - Radar Imaging of Building Interiors
IEEE WEBINAR SERIES-March 5th, 2014: GaN Crushing Silicon...and Let Me Tell You How
Quadrotor Trajectory Tracking with L1 Optimal control
Augmented Reality at the Natural History Museum, London
IMS 2015 Keynote: Soft Assemblies of Radios, Sensors and Circuits for the Skin
2011 IEEE Awards Matt Ettus HKN Eminent Member Recognition
GHTC 2012 Jim Fruchterman Keynote
An Ultra-Wideband Low-Power ADPLL Chirp Synthesizer with Adaptive Loop Bandwidth in 65nm CMOS: RFIC Interactive Forum
Single Die Broadband CMOS Power Amplifier and Tracker with 37% Overall Efficiency for TDD/FDD LTE Applications: RFIC Industry Forum
GaN Transistors -- Crushing Silicon in Wireless Energy Transfer

IEEE-USA E-Books

  • Portable deep underwater tracking systems

    Approaches for portable deep water acoustic tracking systems are considered, and a best approach is recommended. Two proposed systems, a bottom mounted beacon system and a bottom mounted transponder system, are described.

  • Microprocessor Acoustic Data Buoy

    A unique microprocessor controlled digital instrument has been developed for the remote acquisition of underwater acoustic data. The buoy is designed to receive and process long range, low frequency transmissions. Currently it processes complement phase maximal-length shift-register sequences with a carrier frequency of 220 Hz, receives and processes transmissions from nearby moored beacons for phase tracking of buoy motion, and continuously records ambient temperature and time. Matched or inverse filtering of the pseudorandom sequences allows separation of acoustic multipaths for individual study of amplitude and travel time fluctuations. Software control results in a flexible system that is readily reprogrammed to accomodate different transmission parameters and types. The primary advantage of the microprocessor controller is that it enables sophisticated in situ processing and significant power and space economy.

  • Antenna array resolving power

    One solution of the problem of detection of leakage on underwater pipe lines is the creation of a system of visualization of the signal source of acoustic emission. Such a system contains two linear orthogonally oriented antenna arrays (AA), each of which provides sector scanning in a longitudinal plane. The author considers the resolving power of one of such array. Resolving power is the capacity of any detection system to fix separately two closely arranged objects. The determining factor in an estimation of resolving power is width of the direction diagram. The author conducts analytical research of the given parameter for a linear equidistant AA consisting of round converters, with allowance for a processing algorithm of partial signals. Thus, calculation is carried out for a zone of Fraunhofer diffraction.

  • The Research of Integrated Navigation Applied to Synthetic Aperture Sonar Underwater

    Motion compensation of synthetic aperture sonar (SAS) needs resort to the integrated navigation which can give the position, velocity and attitude of SAS. This paper discussed the inertial navigation system composed of SINS, the Doppler velocity log (DVL) and the high precise quartz depth gauge which acts as auxiliary sensor in vertical. A kind of Kalman filter algorithm for fast tracking is presented in detail. Simulation has been done with the integrated navigation error models of the complex motion of SAS. The simulation indicates that the navigation system is effective and the accuracy of the filter is satisfying. The algorithm can be used in motion estimation of SAS underwater.

  • The application of incoherent correlation detection method in stochastic resonance beam-forming

    At first, the basic principle and numerical method of bi-stable stochastic resonance (SR) system was described and the SR beam-forming method with single-frequency signal was studied to verify that the SR system could get a gain to the array element, but not with the Correlation Detection method (matched filter) be used together. Secondly, in order to use a detection algorithm, frequency-hopping signal pulse and incoherent correlation detection method were taken in this paper, which identified SR-based incoherent detection method. Finally, SR-based incoherent detection method and conventional incoherent detection method were contrasted. The simulation showed more side-lobe suppression in SR based method, and the method could enhance the target intensity effectively and be more availability than conventional incoherent in reverberation suppression was proven by the processing of sea trial data. Therefore, SR-based detection method could be used in the target detection or imaging in the background of reverberation.

  • The NEMO directional optical module: design and prototyping

    NEMO (NEutrino Mediterranean Observatory) studies new technologies for the construction of a very large volume (Km3 - scale) underwater detector, devoted to astrophysic neutrino measurements, in the KM3NeT framework: this is a promising tool to better understand the mechanisms that originate the cosmic rays. Muon neutrinos can be detected by identifying and reconstructing the trajectory of the muon generated after the charged current interaction of the neutrino. The newly developed Directional Optical Module (DOM) will solve the ambiguity to identify the direction of the incoming Cherenkov photons. The DOM is based on the new development of a four anodes, 10 inches photomultiplier (PMT) from Hamamatsu Photonics. A light concentrator has been designed to exploit the directional capabilities of the PMT. The new high voltage, low power active bleeder needed to supply the dynodes chain will be presented. An interface to adapt the new device to the standard NEMO data acquisition system has been designed and tested in laboratory. Two complete DOMs will be integrated in the full NEMO tower which will be deployed in Summer 2008 for the NEMO Phase 2 activity in the selected site, at 3500 m depth, 40 miles South East from Capo Passero (Sicily, Italy) in the Mediterranean sea.

  • Curved shape reconstruction using multiple hypothesis tracking

    Panoramic sweeps produced by a scanning range sensor often defy interpretation using conventional line-of-sight models, particularly when the environment contains curved, specularly reflective surfaces. Combining multiple scans from different vantage points provides geometric constraints necessary to solve this problem, but not without introducing new difficulties. Existing multiple scan implementations, for the most part, ignore the data correspondence issue. The multiple hypothesis tracking (MHT) algorithm explicitly deals with data correspondence. Given canonical observations extracted from raw scans, the MHT applies multiple behavior models to explain their evolution from one scan to the next. This technique identifies different topological features in the world to which it assigns the corresponding measurements. We apply the algorithm to real sonar scans generated specifically for this investigation. The experiments consist of interrogating a variety of two-dimensional prismatic objects, standing on end in a 1.2-m-deep freshwater tank, from multiple vantage points using a 1.25 MHz profiling sonar system. The results reflect the validity of the algorithm under the initial assumptions and its gradual performance degradation when these assumptions fail to characterize the environment adequately. We close with recommendations that detail extending the approach to handle more natural underwater settings.

  • Normal mode theory of underwater sound propagation in a range dependent environment

    A normal-mode method, suitable for practical calculations of transmission loss, is developed for the propagation of underwater sound in a channel with environmental parameters that depend gradually on range, by employing an adiabatic separation of the wave equation. Results are illustrated using a parabolic sound velocity profile which opens up with increasing range.

  • Underwater Active Vibration Control

    None

  • New archaeological uses of autonomous underwater vehicles

    This paper explores the intersection of two fields of research: autonomous underwater vehicles (AUVs), and archaeology in the deep sea. Archaeology in the deep sea poses a range of difficult, interesting problems for autonomous underwater vehicles. These include broad area sonar searches, target identification, and precision survey. Broad area sonar searches for archaeology have requirements similar to those in other AUV applications collecting sonar data to locate targets for further inspection. The authors briefly discuss what existing vehicles can contribute to archaeological searches. They then describe the challenges for AUVs in identifying archaeological sites. Then, they discuss the importance of precision survey of archaeological sites and its implications for vehicle design and control. By "mowing the lawn" with computer-controlled tracklines over an archaeological site, an AUV could collect imagery and sonar data for precise maps of a particular site. We propose an archaeology-speciflc AUV to conduct such surveys and describe the requirements for such a vehicle to work in precision, instrumented environments.



Standards related to Underwater Tracking

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Jobs related to Underwater Tracking

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