Self-floating-sinking type ocean profile and sediment detection device and using method
Underwater topographic surveying and mapping device based on Internet and use method thereof
Autonomous navigation marine meteorological observation device
Automatic leveling type profile measurement buoy buoyancy adjusting system and method
Special sea chart design method, application method and system suitable for unmanned surface vehicle
Two-degree-of-freedom underwater holder with self-compensation function
Anchor chain inclination angle real-time acoustic detection system
Three-degree-of-freedom swing compensation device applied to inland waterway measurement system