Title: Key Technologies, Equipment, and Applications of Spaceborne Wide Area Reconnaissance and Surveillance Radar

Speaker: Prof. Jiaguo Lu

Time:16: 00-16: 30, December 5, 2023

Place: Liangjiang Grand Ballroom

Abstract: Wide-area reconnaissance and surveillance radar is a key means for sea, air and land target reconnaissance and surveillance, ecology and disasters monitoring in all day time and all-weather conditions. Due to the complexity of target (landform, vegetation and time sensitivity property), environment (electromagnetic/clutter environment, platform resources) and radar system (beam/waveform singleness, analog/RF link lengthy), wide-area reconnaissance and surveillance radars face the challenges of "high efficiency, multifunctional" reconnaissance and surveillance tasks for diverse targets (point, line, surface, volume, time sensitive and masking), as well as the problem of "high-precision, quantitative" information interpretation and inversion of geophysical quantities in the era of big data. This talk analyzes and studies key technologies of SAR/MTI simultaneous multitasking and efficient operation, high-efficiency broadband active phased array system, and high-precision geophysical quantity interpretation and inversion; On the basis of analyzing the development of commercial SAR satellites in China, this talk focuses on the system composition and engineering development of the first commercial SAR satellite in China, " HISEA-1"; In order to fulfill major application requirement, enhance emergency response capabilities and social governance levels, and derive the entire application ecosystem, this talk will analyze the SAR data processing and SAR data services situation.

Biography: Jiaguo Lu, Researcher, has been long engaged in the field of wide-area reconnaissance and surveillance radar and guidance radar. He has served as the deputy general commander of the "Remote Sensing 33" satellite and the deputy general designer of electronics information system in space. He has taken charge of and completed more than 10 equipment research projects and engineering development, including active phased array systems for "Gaofen 10" satellite and "Remote Sensing 33" satellite, three-side array radar in space. He has been focusing on the two major aspects of polarization and frequency, proposed the "three matching" theoretical model and design method for active array systems, revealed the scattering characteristics of target multipolarity/circular polarization, and led a team breaking through the bottleneck technology for the next generation of wide-area reconnaissance and surveillance radar and guidance radar. The images from the developed civil remote sensing satellite such as "Haisi-1" have been widely used at home and abroad, serving the "the Belt and Road Initiative" and global emergency monitoring, and he made important contributions to promoting high-resolution, multipolar, efficient and wide area reconnaissance and surveillance in the aerospace field. He has been granted a Second Prize of National Science and Technology Progress Award (ranking 1), five First Prize of ministerial level awards (ranking 1, 1, 1, 2, 4); He has published three monographs in Chinese and in English, 41 authorized invention patents (including 3 international patents), and more than 110 academic papers.