Simrad EQ 55 Informações Técnicas descarregar pdf (Página 75)

EQ-55 Operators Manual 950-70017001/Iss 1.

Principles of Operation of an Echo Sounder Page 3.

Kongsberg Simrad Mesotech Ltd.

Port Coquitlam, BC - Canada

Figure 3.4 A narrow beam

transducer.

Figure 3.5 A wide

beam transducer

However, narrow beamwidth transducers have drawbacks too. As a vessel rolls,

the sound beam swings back and forth, and can occasionally be pointing too far

to port or starboard to see a small target clearly. The choice of transducer

beamwidth is always a compromise. See 3.6

Figure 3.6 Effects of a vessel rolling with a narrow beam transducer.

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Simrad EQ 55 Informações Técnicas Página 75