active sonar वाक्य
उदाहरण वाक्य
मोबाइल
- The active sonar used in such operations is often of " mid-frequency ", approximately 3.5 kHz.
- These large " active sonars " are used to search for submarines and are very powerful.
- Passive detection is almost impossible and surface units are forced to use active sonar to search.
- Modern military submarines rely almost entirely on a suite of passive and active sonars to locate targets.
- Once at close range the Spearfish uses active sonar to classify and home in on its target.
- The primary tactical active sonar of a submarine is usually in the bow, covered with a protective dome.
- Unlike active sonar, passive sonar does not emit its own signal, which is an advantage for military vessels.
- Active sonar relies on an audible " ping " to generate echoes to reveal objects around the submarine.
- The coauthor of the interim report stated that animals killed by active sonar of some Navy ships were injured.
- It is a Low Frequency Active Sonar ( LFAS ) and consists of both active and passive sonar arrays.
- Modern naval warfare makes extensive use of both passive and active sonar from water-borne vessels, aircraft and fixed installations.
- During this period he was also Technical Director of Project Artemis, a very large experimental active sonar system development.
- Active sonar searches use a sound wave emitted to listen for any echo from the hulls of surface vessels.
- The AQS-13 systems are all primarily active sonar transmitting in the upper end of the medium frequency sonar range.
- The sound design consists of synthesized avant-garde music carried by a leitmotif in the form of an active sonar pulse.
- The existence of the submarine is usually established through passive listening and refined with directional passive sensors and active sonar.
- When active sonar is used, scattering occurs from small objects in the sea as well as from the bottom and surface.
- In some species, such as bats and dolphins, the relationship is expanded in specific areas to support their active sonar capability.
- The first passive sonar hydrophones were introduced into the RN in 1914 while ASDIC ( active sonar ) came in afterwards.
- An active sonar system was scheduled to be installed in June 1940, but it is uncertain when it was actually done.
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