Chapter 11

Signal Processing

D.A. Abraham     Ellicott City, MD, United States


The goal of this chapter is to present the basic information necessary to apply signal processing concepts and algorithms to underwater acoustics applications. The chapter begins by defining signals and noise in underwater acoustics before describing how they are characterized in time, frequency, and in a probabilistic sense as random processes. The remainder of the chapter covers the core signal processing categories of filtering, detection, and estimation. Within each category the pertinent performance metrics, structured design approaches, implementation, and analysis techniques are discussed. Application of algorithms to many common problems in underwater ...

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