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KONGSBERG GEOACOUSTICS Side Scan Sonars

KONGSBERG GEOACOUSTICS Side Scan Sonars
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KONGSBERG GEOACOUSTICS Side Scan Sonars - 1

KONGSBERG GEOACOUSTICS Side Scan Sonars Product Range www.kongsberg.com

KONGSBERG GEOACOUSTICS Side Scan Sonars - 2

Product Range - Side Scan Sonars • Fully digital simultaneous dual frequency with dynamic filtering for extended range performance • Attitude and depth sensors magnetometer optional • Deck unit with GPS module quires side scan data at two robust digital connection to the transceiver over a single coaxial cable. Data transmission, processing and filter- ing are fully digital and raw data over-sampling technology results in extended and optimised range and resolution. The ground-breaking acquisition technique provides 24 bit data, covering the entire dynamic range of underwater acoustic...

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KONGSBERG GEOACOUSTICS Side Scan Sonars - 3

Applications Pipeline Survey Survey of a wastewater pipeline in Malaga, Spain. KONGSBERG GEOACOUSTICS Dual Frequency Side Scan was towed parallel to the pipeline trajectory, imaging exposed sections in great detail as well as the diffuser at its termination. Infrastructure survey Imaging of concrete anchors and breakwater in Vigo marina, Spain, using Sonar 2094 Digital. 3

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Applications Cymodocea Nodosa (Wikipedia) Environmental Surveys Habitat mapping in the Mediterranean using Sonar 2094 Digital. The data show different growth types of Posidonia Oceanica and Cymodocea Nodosa on a sandy seafloor. The seagrass species play a crucial role in the Mediterranean ecosystem. Monitoring its extent and growth pattern is an important part in assessing marine habitats. Posidonia Oceanica: (Wikipedia) Environmental Surveys Texture mapping using Sonar 2094 Digital, left 410 kHz, right 114 kHz, acquired simultaneously. 4

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Object positioning Sonar 2094 Digital survey in the Mediterranean locating biotope deterrences. The hexapods with c. 1m long extremities are placed on the seafloor to prevent trawl fishing in marine conservation areas. The survey was carried out to locate the objects after deployment. Object detection Car tires and debris beside a quay wall. Object detection Fender made from four truck tires. Object detection Lost ships’ anchor c. 2 m long. 5

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System Configuration laptop deck unit Option 1 soft-tow cable magnetometer interface (optional) deck cable armoured tow cable Option 2 armoured cable winch towfish pitch, roll and heading sensor (optional) depth sensor (optional) responder (optional) Sonar 2094 Digital Main components are the 159D towfish and the Digital Side Scan Transceiver deck unit. The towfish can be equipped with optional pitch, roll, heading and depth sensors as well as with an m agnetometer interface. Its standard depth rating is 1000 m and a 2000 m rated version is available. It can be ballasted depending on...

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KONGSBERG GEOACOUSTICS Side Scan Sonars - 7

Side Scan Technology Kongsberg Mesotech Side Scan sonars provide acoustic images of the seabed. The acoustic signal is transmitted and received by a pair of transducers, which are deployed in the towfish. The beam patterns show narrow kHz: 0.3°) and wide vertical directiv- beams intercept the seafloor in thin stripes. The backscatter values from the short acoustic signal are recorded as time series across the stripes, revealing bathymétrie and textural differences of the seafloor. The image is built up with consecutive transmission pings along the travel path of the sonar. The best image is...

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KONGSBERG GEOACOUSTICS Side Scan Sonars - 8

www.kongsberg.com email: km.geoacoustics.sales@kongsberg.com km.geoacoustics.support@kongsberg.com telephone: +44 1493 600666 KONGSBERG GEOACOUSTICS LTD / 020212 / Printed by COPY-STAR / Basic design by Anisdahl, Sand and Partners WORLD CLASS - through people, technology and dedication

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