Topic 1: Drones
Unmanned aerial vehicle network technology
Drone Data Link Technology
Target recognition and obstacle avoidance
Unmanned aerial vehicle cluster system
UAV payload technology
Sensing and data fusion
Miniature unmanned aerial vehicle system
Applications of unmanned aerial vehicle systems, etc
Topic 2: Remote Sensing Technology
survey and draw
Theories related to navigation and oblique photography
technique
Remote Sensing (RS)
optical remote sensing
Microwave Remote Sensing
Remote sensing of atmospheric environment
Planetary Remote Sensing and Mapping
Cryosphere and hydrosphere
geographic information science
Remote Sensing Information Engineering
Spatial Database
Earth Monitoring and Mapping
Space Technology and Landscape Architecture
Classification and Data Mining Techniques
image processing techniques 
Hyperspectral image processing
Remote sensing data fusion
Remote sensing data quality
Topic 3: Environmental Monitoring
Air quality monitoring and improvement
Industrial waste gas purification
Atmospheric environment monitoring and pollution control, carbon emission monitoring and reduction technology
Ecosystem monitoring
Monitoring and Control of Water Pollution, Management and Protection of Water Resources
Soil protection and remediation, soil pollution monitoring
biodiversity conservation
Marine Environmental Protection and Restoration
Ecological plunder and ecological restoration
The Application of Remote Sensing Technology in Environmental Monitoring
Environmental Monitoring and Big Data Technology
Sustainable Development and Environmental Remediation
Application of New Materials in Environmental Remediation
The Application of Microorganisms in Environmental Remediation
The impact of climate change on environmental monitoring
Urban environmental monitoring and governance
Waste Management and Resource Recycling
Energy conservation, environmental protection, and low-carbon