A technique that uses sound waves to detect and locate objects underwater.

A form of sonar that uses the Doppler effect to detect moving underwater objects; used especially by fishermen

Underwater imaging using sound waves.

(also sometimes called side scan sonar, sidescan sonar, side imaging sonar, side-imaging sonar and bottom classification sonar) a category of sonar system that is used to efficiently create an image of large areas of the sea floor.

"" is the national anthem of Bangladesh.

Sonar Kella, also Shonar Kella, is a 1971 mystery novel written by Bengali writer and filmmaker Satyajit Ray.

A towed array sonar is a system of hydrophones towed behind a submarine or a surface ship on a cable.

Sonar was a digital audio workstation created by the former Boston, Massachusettsbased music production software company Cakewalk.

The (sometimes shortened to S2087) a towed array sonar developed by Thales Underwater Systems.