R&D for an innovative acoustic positioning system for the KM3NeT ...
R&D for an innovative acoustic positioning system for the KM3NeT ...
R&D for an innovative acoustic positioning system for the KM3NeT ...
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The hydrophone data acquition chain<br />
“All data to shore” philosophy payload: 2 Hydros = 12Mb/s, fully sustainable<br />
Hydros +<br />
preamps<br />
Acoustic Data Server<br />
ADS<br />
ADC<br />
Storey Control Module<br />
Adds GPS Time<br />
Sends Acou-data to shore<br />
TCP/IP<br />
Associated science<br />
OMs<br />
optical<br />
fiber link<br />
On-Shore<br />
Storey Control Module<br />
Data Parsing<br />
Acoustic<br />
Positioning<br />
Storey scheme scheme<br />
Full data <strong>an</strong>alysis on shore with dedicated hardware <strong>an</strong>d/or software<br />
Data acquisition onshore:<br />
• The Storey Control Module onshore parses <strong>the</strong> Acoustic data from <strong>the</strong> data Stream<br />
• Acoustic Data are reconstructed <strong>an</strong>d distributed to clients by <strong>the</strong> ADS using<br />
professional Audio Borads (<strong>for</strong> tests) or custom FPGA-based boards.<br />
Giorgio Riccobene, LNS-INFN VLVnT 2009, A<strong>the</strong>ns October 13 –15 ,2009
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