Sonar Principles & ASW Analysis
This three-day course provides an excellent introduction to underwater sound and highlights how sonar principles are employed in ASW analyses. The course provides a solid understanding of the sonar equation and discusses in-depth propagation loss, target strength, reverberation, arrays, array gain, and detection of signals. Physical insight and typical results are provided to help understand each term of the sonar equation. The instructors then show how the sonar equation can be used to perform ASW analysis and predict the performance of passive and active sonar systems. The course also reviews the rationale behind current weapons andsensor systems and discusses directions for research in response to the quieting of submarine signatures. The course is valuable to engineers and scientists who are entering the field or as a review for employees who want a system level overview. The lectures provide the knowledge and perspective needed to understand recent developments in underwater acoustics and in ASW. A comprehensive set of notes and the textbook Principles of Underwater Sound will be provided to all attendees.
Dr. Nicholas C. Nicholas received a B. S. degree from Carnegie-Mellon University, an M.S. degree from Drexel University, and a PhD degree in physics from the Catholic University of America. His dissertation was on the propagatior of sound in the deep ocean. He has been teaching underwater acoustics courses since 1977 and has been visiting lecturer at the U.S. Naval War College and several universities. Dr. Nicholas has more than 35 years experience in underwater acoustics and submarine related work. Dr. Nicholas is currently consulting for several firms.
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