Core Insights - The second China Surveying and Mapping Geographic Information Conference was held from November 5 to 7 in Deqing, Zhejiang, highlighting significant advancements in geographic entity identity coding in China [1][2] - The implementation of the MA international identification coding system marks a new level of spatial governance modernization in China, facilitating vertical data integration and horizontal inter-departmental collaboration [1] Group 1: Key Achievements - The first urban-level geographic entity MA coding application system was established, assigning codes to 2.2 million geographic entities, providing essential spatial infrastructure for the construction of a digital China [1] - A unified MA code identification system was created, successfully linking 13 business systems and 52 approval processes, addressing long-standing issues of "system isolation" and "business collaboration difficulties" in government services [2] Group 2: Innovative Models - A new model for spatial data association and sharing based on MA codes was pioneered, achieving cross-industry and cross-departmental information connectivity, and forming a replicable governance paradigm for "one code managing space" [2] - The MA international identification coding system is the first in China with global top-tier node management rights, laying the technical foundation for global spatial data interconnectivity [2]

Core Insights - The project "Real Scene 3D Empowering Nanjing Low-altitude Economic Industry Construction" has been recognized as a national-level typical case, highlighting Nanjing's leadership in integrating real scene 3D technology with the low-altitude industry [1][3] - The initiative is part of a broader national strategy to utilize real scene 3D technology for urban management, emergency response, and digital economic development [2][3] Group 1: Project Overview - The project is a collaboration among various local authorities and institutions in Nanjing, marking a significant achievement in the city's digital transformation in the low-altitude economy [1] - Nanjing's project is the only one selected from the city among 60 projects nationwide, showcasing its pioneering role in this field [1] Group 2: Technological Innovation - The project employs "multi-source data fusion + fine modeling" to create a 3D digital foundation, achieving a 70% reduction in model data volume and a 5-fold increase in loading speed [3] - The integration of real scene 3D technology with airspace data allows for intelligent flight route planning and facility site selection, enhancing safety and efficiency in low-altitude operations [3][4] Group 3: Safety and Risk Management - The real scene 3D technology enables dynamic airspace configuration and risk warning, improving overall flight efficiency and safety [4] - The development of dynamic airspace management models allows for real-time monitoring and prediction of flight risks, ensuring safe operations [4] Group 4: Application and Value Creation - The ongoing construction of real scene 3D technology is accelerating the extraction of spatial geographic data value, leading to over 100 application scenarios across various sectors [5] - The low-altitude economy in the Pukou District has seen significant advancements, with over 50 companies in the industry and the establishment of a comprehensive low-altitude service management platform [6] Group 5: Economic Impact - The project has led to the successful development of over 20 unique application scenarios, including cross-river logistics and blood transportation, with efficiency improvements of 50% and 80% respectively compared to traditional methods [6] - The integration of real scene 3D technology has positioned Pukou as a competitive hub for low-altitude economic development, attracting numerous enterprises across various related fields [6]

Core Insights - The event showcased various cutting-edge research achievements from China Aerospace Science and Industry Corporation, including airborne millimeter-wave interferometric radar and Ka-band SAR payloads, highlighting advancements in technology for urban planning, environmental monitoring, and satellite communication [1][2][3] Group 1: Airborne Millimeter-Wave Interferometric Radar - The airborne millimeter-wave interferometric radar won a gold award at the 10th World Radar Expo for its innovative design, providing data services for urban planning, traffic construction, and environmental protection [1] - It addresses agricultural yield estimation, water resource monitoring, and disaster management, offering all-weather solutions for natural resource monitoring and major infrastructure lifecycle management [1][2] Group 2: Millimeter-Wave Multi-Beam Phased Array Communication Payload - This payload is designed for low Earth orbit satellite communication systems, enabling global broadband internet access and multimedia communication [2] - The technology has evolved since its first application in 2018, resulting in a more mature radar antenna technology and a smaller, lighter satellite communication payload with a broader service range [2] Group 3: Luojia-2 Ka-Band SAR Payload - The Luojia-2 Ka-band SAR payload is the first high-resolution SAR in the international Ka-band, capable of all-weather ground observation and high-resolution microwave imaging [3] - It fills a gap in the international market for high-resolution SAR satellites in this frequency band, providing clear and dynamic radar images suitable for target recognition [3] - The development of this payload is part of ongoing innovation aimed at supporting natural resource surveys and disaster warning systems, contributing to national geographic mapping and carbon neutrality strategies [3]