sonar造句
1. We picked up two submarines on sonar.
2. Having been suggested by a bat, people invented sonar.
3. The ship's sonar can detect the presence of solid objects in the water.
4. Sonar was used to locate the submerged plane wreckage.
5. They carry simple Kelvan Hughes sonar and Racal-Decca radar.
6. We used three kinds or sonar apparatus.
7. The Bottle-nosed dolphin's sonar sense is remarkably accurate.
8. In water, sonar is essential for long distance perception, for light can not penetrate more than sixty feet or so.
9. Clustering applications would include things like character recognition, sonar / radar signal classification, and robotic control.
10. The Lowrance company introduced the first civilian sonar in 1957.
11. They used sonar in a search for the voice and data recorders and the aircraft engines, among other components.
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12. The sonar room was heavily insulated against all outside noise and dimly lit by subdued yellow lighting.
13. The gauges and sonar screen are spread across the bottom third of the computer monitor.
14. Sonar behaves differently because sounds reverberate off the sea floor.
15. There is another dark world where animals use sonar to find their way around.
16. Distinguishing between active sonar returns from mines and returns from rocks and debris on the sea floor is difficult.
17. The sonar watch on the ticking device in the crashed bomber was now continuous.
18. A dolphin is able to produce sonar clicks by forcing air through special passages and sinuses in its head.
19. Navy salvage experts used sonar to help locate the area of submerged wreckage.
20. Sonar, Kipper and Bottlenose were waiting for Seaweed.
21. The answer is that they use echolocation or sonar.
22. Sonar is an acronym for sound navigation ranging.
23. Beamforming is an important technology in sonar signal processing.
24. Doppler - sonar is a dead - reckoning system.
25. In practice, the word seems to be used mostly to refer to animal sonar.
26. Observations of Freddy led them to conclude that dolphins use sonar while hunting.
27. So these particular species of bat or whale are living and working in a sonar world.
28. In that case, the mud prevented investigators from using sonar to locate the voice and data recorders.
29. And, the Navy is having trouble filling shipboard billets with enough sonar and fire control technicians, who require extensive schooling.
30. Something in the loch has produced some very peculiar sonar traces on some very sophisticated equipment, and that something demands explanation.
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