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ATI's Practical Sonar Systems Engineering course
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Summary:
The key essentials and systems issues of designing practical sonar systems are highlighted in this course. The course provides a step-by-step guide to understanding and designing modern sonar systems. It addresses the fundamental concepts applicable to sonar systems including sound propagation, design and use of transducers, beamforming, signal processing and displays. Design examples of surface ship active/passive sonar, variable depth sonar, and mine hunting and localization sonars are presented to illustrate the current state of the art in sonar. Performance prediction and analysis will be discussed. You will acquire the knowledge, perspective, and practical skills needed to understand modern sonar technology.
The course is valuable to government and industry engineers, managers, and others who need a practical working knowledge of the theory and applications of modern sonar. You'll benefit from the more than 50 years of combined hands-on experience of the instructors and their case studies. The course examines the design tradeoffs and potential performance of modern sonar. Current issues, such as shallow water performance, and future trends are discussed. A complete set of notes & Principles of Underwater Sound by Robert Urick (McGraw-Hill) will be supplied to all attendees.
Instructors:
Mark A. Chramiec retired from Raytheon's Submarine Signal Division after 34 years of developing, testing and improving various types of military and oceanographic sonars for the U.S. and numerous international navies. These included active and passive submarine and surface ship ASW sonars, bathymetric and sub-bottom-profiling sonars, sonars used for remote control of offshore oil installations and the first operational sonar using non-linear acoustics. Mr. Chramiec, who M.S. degrees in physics and ocean engineering, holds five patents and has published 20 papers covering various underwater acoustic devices.
Robert B. Delisle is an Engineering Fellow at Raytheon's NM& IS. He has helped design, develop, and evaluate surface ship sonar systems for more than two decades and has participated in numerous at-sea sonar evaluations for the U.S. Navy and other allied navies. He has been involved in the design, development, and testing of mine hunting and classification sonars at Raytheon. Mr. Delisle holds a M.S. degree in electrical engineering from Renssalaer Polytechnic Institute.
What you will learn:
- Tradeoffs and comparisons among different sonars.
- How to calculate sonar performance.
- How to select waveforms.
- How to optimize shallow water performance.
- Minehunting in shallow water.
- The latest developments in new technology.
Course Outline:
- Sonar Systems and Equations. Active, passive, communication, and navigation sonars. The basic application of sonar equations to each type.
- Sound Propagation. The propagation of sound in the ocean. Refractions and Reflections. Resulting operational considerations.
- Transmission and Reception. Terms of the sonar equations and their relationship to sonar arrays, transmitters, beam-formers, receivers, and displays.
- Sonar System Requirements and Operations. Operational requirements of sonar detection, classification, and tracking. Methods for implementing sonar requirements.
- Performance Prediction. Absolute and comparative performance prediction using simple and complex prediction methods.
- Active and Passive Sonar Arrays. Projector, hydrophone, and transducer arrays used in current passive and active sonars. Sonar transmission and reception. Tuning and data transmission functions.
- Transmitters, Receivers, and Beam-Formers.Linear and switch mode transmitters. Analog and digital receivers. Transmitter and receiver beam-formers.
- Displays. Current active and passive sonar displays.
- Signal Processing. Detection threshold. Recognitions differential. Noise- and reverberational-limited conditions. Practical limits.
- Signal Processors. Processing gain. Coherent, semicoherent, and spatial processors.
- Surface Ship Sonar Systems. Typical operating modes. Performance analysis.
- Mine Hunting Sonar. Design of detection and localization sonars for mine warfare. Performance potential and limitations.
- Future Developments and Challenges. Performance in littoral waters. The diesel submarine threat. New technologies.
Tuition:
Tuition for this four-day course is $1595 per person at one of our scheduled public courses. Onsite pricing is available. Please call us at 410-531-6034 or send an email to ati@ATIcourses.com.
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