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| Fishfinder usually involves SONAR sound navigation and ranging. Uses active sonar to detect fish | |||
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| Fishfinder usually involves ] sound ] and ranging. Uses active sonar to detect fish. In a generalized sense, an electrical impulse from a ] is converted into a ] by the transducer and sent into the water. When the wave strikes something such as a fish, it is reflected back and displays size, composition, and shape of the object. The signal is quickly ] and sent to the display. Knowing that the speed of the wave in the water is 4800 ft./sec, the distance to the object that reflected the wave can be determined. The process can be repeated up to 40 times per second and eventually results in the bottom of the ocean also being displayed. | |||
| ==External Link== | |||
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Revision as of 04:48, 23 May 2005
Fishfinder usually involves SONAR sound navigation and ranging. Uses active sonar to detect fish. In a generalized sense, an electrical impulse from a transmitter is converted into a sound wave by the transducer and sent into the water. When the wave strikes something such as a fish, it is reflected back and displays size, composition, and shape of the object. The signal is quickly amplified and sent to the display. Knowing that the speed of the wave in the water is 4800 ft./sec, the distance to the object that reflected the wave can be determined. The process can be repeated up to 40 times per second and eventually results in the bottom of the ocean also being displayed.
External Link
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