Author Biographies

Zhu Yanlong obtained a bachelor's degree from China Jiliang University in 2022 and is currently pursuing a master's degree in Instrumentation Science and Technology at the School of Metrology, Testing and Instrumentation at China Jiliang University. He is from Wuyang County, Henan Province, and specializes in precision measurement and modern precision theory. Related keywords include precision instruments, measurement uncertainty, and geometric metrology.
Yinbao Cheng, from Tongcheng, Anhui, holds a PhD and is an associate professor and master's supervisor. I am the Director of the National Association for Error and Uncertainty Research, Expert of the Theoretical Working Group of the National Measurement Uncertainty Measurement Technical Committee, Vice Chairman of the Anhui Traffic Safety Measurement Technical Committee, Member of the Biochemical Measurement Professional Committee of the Zhejiang Metrology and Testing Society, Member of the Anhui Energy Measurement Technical Committee, Deputy Leader of the Special Working Group of the Anhui Carbon Peak and Carbon Neutrality Measurement Technical Committee, Secretary General of the Hangzhou Metrology and Testing Society, and Youth Editorial Board Member of the Industrial Metrology Magazine. I graduated from the School of Instrument Science and Optoelectronic Engineering at the Hefei University of Technology with a bachelor's, master's, and doctoral degree. In December 2019, I left the postdoctoral research station of Instrument Science and Technology at Beihang University to work in teaching and research at the School of Metrology, Testing, and Instrumentation at China Jiliang University.
Hongtang Gao, Ph.D., Associate Researcher, is currently working at the Division of Dimensional Metrology at the National Institute of Metrology, China. His main research areas include the theory and application of line scale metrology, micro and nanometrology, laser interference length measurement, and line positioning.
Shuanghua Sun, Ph.D., is a researcher who currently serves as the Deputy Director of the Division of Dimensional Metrology at the National Institute of Metrology, China. Her research focuses on the theory and application of two-dimensional line scale metrology, laser interference length measurement, and line positioning.
Xudong Zhang, Ph.D., is a researcher who currently serves as the Laboratory Director of the Division of Dimensional Metrology at the National Institute of Metrology, China. His research focuses on the theory and application of length metrology, laser interference length measurement, and line scale metrology.
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