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Time taken (t) = (2 x d) / v or d = (v x t) / 2
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| Page | 5/6 | | Date | 17.08.2021 | | Size | 494.13 Kb. | | #57205 |
| Echo Sounder Echo Sounder, Deck Cadet Handover, Deck Cadet Handover, Deck Cadet Handover, Deck Cadet Handover, GMDSS TESTS, GMDSS TESTS, GMDSS TESTS, GMDSS TESTS, GMDSS TESTSTime taken (t) = (2 x d) / v or d = (v x t) / 2 Factrs affecting echo sounder: temp of water, pressure, salinity Echo-sounder is primary acoustic equipment used for navigation and for fish finding purposes. in water. The echo-sounder produces both soft and hard Working of echo sounder
Recorder
Amplifier
Receiver
Transducer
Transmitter
Pulse Generator
Working of Echo-Sounder
Recorder sends pulse to pulse generator, it creates electrical pulses (frequency vary) (5-600 hz) - Recorder sends pulse to pulse generator, it creates electrical pulses (frequency vary) (5-600 hz)
- Through transmitter pulses passed on to the transducer which convert electrical to sound pulses.
- These pulses travel to the bottom of the sea and are reflected back to the transducer
- Transducer converts sound energy back to electrical and sends it to receiver
- It is received, amplified and sent to recorder
- The recorder records the obtained data
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