active sonar वाक्य
उदाहरण वाक्य
मोबाइल
- ADP crystals are piezoelectric, a property required in some active sonar transducers ( the alternative being transducers that use magnetostriction ).
- When active sonar is used to measure the distance from the transducer to the bottom, it is known as echo sounding.
- The Navy admits the Bahamas stranding was likely caused by mid-range sonar but contends the low-frequency active sonar wouldn't harm whales.
- An active sonar system was probably installed by the end of 1940, but it is uncertain when it was actually done.
- Conventional active sonar may be more effective than towed arrays, but the small size of modern littoral submarines makes them difficult threats.
- However, there have been protests about the use of medium and low frequency high-powered active sonar because of its effects on whales.
- Once the torpedo's passive sonar has detected something, it will switch over to an active sonar and will begin to track the target.
- No matter whether active sonar or passive sonar, the information included in the reflected signal can not be used without technical signal processing.
- Ballistic missile submarines are designed to conceal themselves while on patrol, and the use of active sonar would immediately reveal the boat's position.
- When active sonar is used by surface ships or submarines, it is typically activated very briefly at intermittent periods to minimize the risk of detection.
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