MAE Seminar: “Synthetic Aperture Sonar (SAS) Applications and Signal Processing”

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Synthetic Aperture Sonar (SAS) is an imaging sonar primarily developed to provide high resolution imagery at ranges longer than practical with real aperture side-looking sonar systems. These systems operate at lower frequencies when compared to real aperture systems which results in wider bandwidths and beamwidths. The wideband/widebeam nature of these systems enable capabilities far beyond the original imaging modalities that the systems were developed for. This talk will provide an overview of applications for SAS data where vehicle motion, environmental parameters, volumetric imaging, and other acoustic phenomena are measured. The talk will include example imagery and demonstrations of SAS technology. The research and development process for SAS sensors and research opportunities involving sonar and underwater acoustics in the Navy will also be discussed.