Abstract
Although often time consuming to develop and present, classroom demonstrations are an effective tool used in physics education. This talk walks through a demonstration of the basic concepts of array processing and synthetic aperture sonar. An emphasis has been placed on limiting equipment and setup time required to implement this demonstration, while allowing the presenter break the discussion into several conceptual topic areas. Primary topics include pulse compression and temporal/range resolution, array aperture footprint and azimuthal/range resolution, influence of transmitter and receiver beampatterns, and the importance of temporal coherence and measurement platform motion. Hardware require for this demonstration can be made as simple as a speaker and a single electret microphone used with a common PC soundcard.
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