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Project Deliverable D50 Report on Best Practices ... - ESONET NoE

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Pan & tilt<br />

system, to find<br />

the right sector<br />

Figure 1: Presentati<strong>on</strong> of BOB module<br />

BOB<br />

module<br />

Echo-sounder<br />

Batteries and<br />

electr<strong>on</strong>ic module<br />

Acoustic beam<br />

Figure 4: Principle of data acquisiti<strong>on</strong> with BOB module<br />

Distance<br />

from sensor<br />

(in number<br />

of samples)<br />

Figure 5: Example of echogram data with bubbles layers<br />

time<br />

(in number<br />

of ping)<br />

bubbles<br />

dB<br />

bubbles<br />

<str<strong>on</strong>g>Deliverable</str<strong>on</strong>g> #50 - update October 2010 25

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