Ship&Offshore | Ausgabe 06/2025
Motion compensation
Norwegian Subsea has released upgraded versions of its motion reference unit (MRU) technology specifically designed for sonar-based applications. The new system is based on the same technology that is used in wave radar and helideck monitoring, but the new technology now incorporates pitch and heave data, in addition to heading and velocity. It removes dependency on real-time kinematic (RTK) or global navigation satellite systems (GNSS). Norwegian Subsea’s calibration-free, maintenance-free MRU platform has been designed for ‘plug-and-play’ compatibility with sonar systems including multibeam echosounders, interferometric sonars, side-scan sonars, sub-bottom profilers, and forward-looking sonars....