Yongjie Cheng

Beijing Zhenxing Metrology & Measurement Institute

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About

Dr. Yongjie Cheng is a leading figure in radio frequency metrology and antenna measurement technology, with a particular focus on advancing near-field measurement systems. Their most notable contribution is the development of a pioneering antenna planar near-field measurement system that integrates robotics, a project realized at the Beijing Institute of Radio Metrology and Measurement (BIRMM). This innovative system, detailed in their 2021 highly cited paper, employs a six-axis robotic arm, a transmitting antenna setup, and a vector network analyzer to precisely characterize antennas under test (AUT). By replacing traditional, bulky positioning stages with a flexible robotic platform, Dr. Cheng’s work significantly enhances measurement speed, accuracy, and adaptability for complex antenna geometries. This achievement has garnered 5 citations, reflecting its immediate impact on the field. Dr. Cheng’s research is instrumental in modernizing antenna testing for aerospace, 5G communications, and defense applications, establishing them as a key innovator in precision metrology.