The meaning of SONAR is a method or device for detecting and locating objects especially underwater by means of sound waves sent out to be reflected by the objects; also : a device for detecting the presence of a vessel (such as a submarine) by the sound it emits in water.

Sonar (sound navigation and ranging or sonic navigation and ranging) [2] is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, measure distances , communicate with or detect objects on or under the …

2025年1月22日 · sonar, (from “sound navigation ranging”), technique for detecting and determining the distance and direction of underwater objects by acoustic means. Sound waves emitted by or reflected from the object are detected by sonar apparatus and analyzed for the information they contain.

SONAR definition: 1. equipment, especially on a ship, that uses sound waves to discover how deep the water is or the…. Learn more.

sonar - a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return; "sonar is an acronym for sound navigation ranging"; "asdic is an acronym for antisubmarine detection investigation committee"

2023年10月19日 · SONAR is a technique that uses sound waves to map or locate objects in the surrounding environment. The premise is quite simple: first, emit a cluster of sound waves in the direction of an object. While a few waves will bounce off it, the remaining waves will be reflected back in the direction of the emitter

Sonar is a method of finding objects under water using sound waves. If the Titanic had been able to use sonar, it never would have hit that iceberg. There are two kinds of sonar: active sonar, which sends sounds out and listens for their echoes, …

Sonar definition: A system using transmitted and reflected underwater sound waves to detect and locate submerged objects or measure the distance to the floor of a body of water.

Sonar definition: . See examples of SONAR used in a sentence.

2025年1月11日 · Sonar, short for Sound Navigation and Ranging, is an innovative technology that uses sound waves to identify and pinpoint objects beneath the water’s surface. But how does sonar work, and why is it integral to modern science and engineering?