Seafloor mapping using interferometric sonars
Seafloor mapping using interferometric sonars
Seafloor mapping using interferometric sonars
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How does an interferometer work?• Transmitted pulse geometry similar to side scan• Multiple receive staves (typically 4)• Phase of returned sonar signal is measured on each stave• Differential Phase is used to determine return angle• Data is a time series (of angles, amplitudes, and otherattributes)/ 4 / 30-Nov-09