A 3D simulator for the design and evaluation of sonar system instrumentation

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Abstract
This work describes the operational features of a software code that is designed to simulate the practical behaviour of modern high-frequency sonar systems. Versatility and flexibility is enhanced by a modular structure that includes simulation of the transducer and front-end electronics, wave propagation, target synthesis and scattering. The functional theory behind each module is described and a selection of results relating to the operation of an existing commercial sonar system are presented. Although the current code has been developed as a tool for the design evaluation of sophisticated sonar array systems, it may also be employed in other ultrasonic imaging applications, such as microscopy and non-destructive evaluation.

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