active sonar in a sentence

Examples

1. Modern naval warfare makes extensive use of both passive and active sonar from water-borne vessels, aircraft and fixed installations.
2. During this period he was also Technical Director of Project Artemis, a very large experimental active sonar system development.
3. Active sonar searches use a sound wave emitted to listen for any echo from the hulls of surface vessels.
4. The AQS-13 systems are all primarily active sonar transmitting in the upper end of the medium frequency sonar range.
5. The sound design consists of synthesized avant-garde music carried by a leitmotif in the form of an active sonar pulse.
6. The existence of the submarine is usually established through passive listening and refined with directional passive sensors and active sonar.
7. When active sonar is used, scattering occurs from small objects in the sea as well as from the bottom and surface.
8. In some species, such as bats and dolphins, the relationship is expanded in specific areas to support their active sonar capability.
9. The first passive sonar hydrophones were introduced into the RN in 1914 while ASDIC ( active sonar ) came in afterwards.
10. An active sonar system was scheduled to be installed in June 1940, but it is uncertain when it was actually done.