10.5. Side-Scan Sonar
SSS is a tool used to visualize the seabed and objects on, or above, the seabed. The SSS has been produced since the 1950s. The SSS builds a two-dimensional high-resolution picture of insonified structures by using a sonar transducer and the transducer's motion through the water. The transducer can be mounted on a surface vessel bottom, on a pole over the surface vessel side, or on a towed body. Each mounting type has an advantage. The side-scan system can consist of a single transducer radiating the sound signal to one platform side, or it may, in order to cover a broader region of the seabed, consist of two transducers radiating sound to both platform sides during its motion through the water. Although the SSS normally ...
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