Topic 1: Ocean Exploration
Marine instruments and sensors
Marine Geodetic Information System
Marine Surveying and Engineering
Coastal radar
Automatic control
Current measurement technology
Laser radar
Passive observation sensor
Buoy technology
Cables and connectors
Airborne and satellite radar, as well as synthetic aperture radar
Space systems
Data visualization
Data modeling and simulation
Marine GIS and Data Fusion
Information Management
Real time data quality monitoring
Ocean Dynamics Information Technology
Sustainable utilization of water resources and protection of water environment
Water energy application technology
Marine Geography
River, Lake, and Ocean Survey and Monitoring
Marine Biology
Marine Chemistry
Marine Ecology
Marine Meteorology
Ocean Engineering
Ocean Dynamics Information Technology
River, Lake, and Ocean Survey and Monitoring
Monitoring technology for marine plastics and microplastics
Intelligent Ocean Internet of Things Technology and Its Applications
Monitoring and Prediction Model for Marine Environmental Changes
Exploration and development technology of deep-sea mineral resources
Topic 2: Radar
Radar phenomenology
Radar system
Advanced subsystems/components
Radar Design and Simulation
SAR/ISAR/Ultra Wideband Radar
Passive/Noise/Cognitive/MIMO Radar
Waveform diversity 
Signal and data processing
Computer modeling
Environmental Sensing and Modeling
Advanced RF and antenna technology
Space Technology and Remote Sensing
Synthetic aperture technology
Radar imaging technology
Radar applications, etc
Topic 3: Underwater Communication and Networks
Underwater acoustic communication technology and modulation and demodulation
Underwater wireless optical communication
Underwater electromagnetic communication
Ultra low power underwater communication and underwater backscatter technology
Underwater Communication Network Protocol and Architecture
Underwater Acoustics and Array Signal Processing
Measurement and Modeling of Underwater Communication Channels
Analysis and Performance Evaluation of Underwater Acoustic Communication Links
Underwater network mobile networking technology
Underwater communication and positioning navigation technology
Underwater networking and collaborative communication