Xingxun Liu

Beijing Zhenxing Metrology & Measurement Institute

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About

Xingxun Liu is a leading researcher in antenna metrology and radio frequency measurement systems, with a focus on advancing near-field testing technologies for high-performance antennas. His major contributions lie in the development of robotic-arm-based antenna measurement systems that overcome the limitations of traditional far-field methods, particularly for narrow-beam and electrically large array antennas. Liu introduced a pioneering planar near-field measurement system using a six-axis robotic arm, built at the Beijing Institute of Radio Metrology and Measurement (BIRMM), which enables precise, automated characterization of antenna radiation patterns and gain. His work on an automatic near-field system for narrow-beam array antennas addresses critical alignment challenges, offering a practical solution for testing antennas that are otherwise difficult to evaluate. With over 5 citations on his most-cited paper, Liu’s research has significant implications for 5G communications, satellite systems, and defense applications. His achievements include the integration of vector network analyzers with robotic platforms, setting new standards for accuracy and efficiency in antenna testing. Liu’s innovative approach continues to shape the future of electromagnetic measurement science.