Betekenis van:
sonar

sonar
Zelfstandig naamwoord
  • apparaat voor navigatie op geluid
  • 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"

Synoniemen

Hyperoniemen


Voorbeeldzinnen

  1. Doppler radar or sonar velocity data;
  2. doppler radar or sonar velocity data;
  3. Doppler-velocity sonar log equipment having speed accuracy better than 1 % of speed.
  4. Correlation-velocity sonar log equipment having any of the following characteristics:
  5. correlation-velocity sonar log equipment having any of the following characteristics:
  6. Doppler-velocity sonar log equipment having speed accuracy better than 1 % of speed.
  7. N.B.:See 6A001.a. for acoustic systems, and 6A001.b. for correlation-velocity and Doppler-velocity sonar log equipment.
  8. Underwater countermeasures, including acoustic and magnetic jamming and decoy, equipment designed to introduce extraneous or erroneous signals into sonar receivers;
  9. N.B.:See 6A001.a. for acoustic systems, and 6A001.b. for correlation-velocity and Doppler-velocity sonar log equipment. See 8A002 for other marine systems.
  10. correlation-velocity and Doppler-velocity sonar log equipment, designed to measure the horizontal speed of the equipment carrier relative to the sea bed, as follows:
  11. N.B.:See 6A001.a. for acoustic systems, and 6A001.b. for correlation-velocity sonar log equipment. See 8A002 for other marine systems.
  12. The system is operated with a linear 3.5 MHz probe that allows a sonar penetration down to about 20 cm depending on the display window chosen.
  13. Correlation-velocity and Doppler-velocity sonar log equipment, designed to measure the horizontal speed of the equipment carrier relative to the sea bed, as follows:
  14. "DBRN" systems designed to navigate underwater, using sonar or gravity databases, that provide a positioning accuracy equal to or less (better) than 0,4 nautical miles;
  15. Correlation-velocity sonar log equipment designed to measure the horizontal speed of the equipment carrier relative to the sea bed at distances between the carrier and the sea bed exceeding 500 m.