insonify

Verb

 * 1)  To flood an area or an object with carefully-controlled sound waves, typically as a part of sonar or ultrasound imaging

Usage notes
The alternative spelling ensonify appears to be used by some authors when describing underwater sonar imaging, e.g. involving the search for submerged mines. The spelling insonify is more common, especially in the context of medical ultrasound imaging.

Related terms

 * insonification