The 45th PIERS (Photonics and Electromagnetics Research Symposium) was successfully held from April 21-25, 2024, at Jinjiang Hotel in Chengdu, China. This annual event serves the optical and electromagnetics community by showcasing and promoting advancements in these fields. The PIERS 2024 featured 23 topics, including optics, photonics, computational electromagnetics, electromagnetic compatibility, electromagnetic scattering theory, metamaterials, antennas, microwaves, remote sensing, radar, radiometry, and more. There were 23 oral presentation sessions and over 200 poster presentations. Additionally, there were nine hot topic discussions led by experts such as Lars Samuelson and Che Ting Chan.
The University's College of Electronic Engineering (College of Atmospheric Exploration) was represented by Associate Professor Zhao Yuan, Associate Professor Lan Junqing, and Dr. Yu Tianxiang at the recent international conference. The team was led by these experts, with students Renpan Lu, Yunhao Li, Shihai Liao, Zhiqiang Song, Yipeng Zhang, Mingli Chen, Jing Liang, Jie Fu, and Yuxiang Wen also participating. They delivered over 10 oral presentations and published more than 10 papers during the event.Throughout the conference, the University's participants showcased their research findings in their respective sessions and engaged in active exchanges with peer experts. This provided an opportunity for deep discussions and the sharing of knowledge and ideas.
Renpan Lu presented a paper entitled "EMC Near-field Scanning System with Fast Scanning Method" at the conference on Progress in Electromagnetic Compatibility (EMC), Signal Integrity (SI), and Power Integrity (PI). He detailed his construction of the near-field scanning system and combined it with a fast scanning algorithm to achieve efficient scanning. He shared his challenges and insights during the design process and engaged in further discussions with Dr. Ling Zhang from Zhejiang University.
Yunhao Li presented at the Antenna and Antenna Array Design for Wireless Power Transfer (WPT) and Energy Harvesting conference, showcasing his paper titled "Ultra-Thin Energy Harvesting Metasurface with Polarization Insensitive and Wide Angle of Incident Performance". He delved into the topic of wireless energy transfer, providing a comprehensive overview of his ultra-thin polarization insensitive wide angle energy harvesting metasurface. During the Q&A session, we engaged in in-depth discussions and exchanged ideas with relevant domestic and foreign scholars from prestigious institutions such as the University of Electronic Science and Technology of China, which proved highly beneficial to us.
Yipeng Zhang, at the Compact Antenna and Their Arrays for Modern Wireless Communications event, presented a comprehensive overview of multi-layer dual polarization high isolation multilayer patch antennas and arrays designed for meteorological radars. The unique feedback network design resulted in excellent cross polarization isolation and high port isolation performance.He published a paper titled "Design of a Dual polarized High Isolation Multilayer Patch Antenna and Array" and collaborated with Russian scholars after the venue endedМихаилDeeply explored antenna design aspects.
Zhiqiang Song presented his research at the Advanced Optimization and Intelligent Processing Methods for Radar Systems and Measurement Calculation Fusion for Advanced Applications conference, showcasing papers entitled "Research on Human Posture Recognition Technology Based on Millimeter Wave Radar" and "Statistical Research on Human Posture Characteristics Based on RFID." These works delved into the application of RFID and millimeter wave radar in human pose recognition. During the event, Mr. Song engaged in insightful discussions with fellow scholars.
Shihai Liao presented a report at the Microwave and Millimeter Wave Devices and Systems conference, where he also published a paper titled "Design of a Low Cost Gaussian White Noise Source for ADC Dither Experiments". In his presentation, he detailed the impact of dither technology on an ADC's non-spurious dynamic range. He verified the theoretical feasibility of his design scheme through Simulink simulations and demonstrated the practical feasibility of applying the low-cost Gaussian white noise source to ADC dither experiments using inexpensive actual circuits. During the questioning session, we engaged in in-depth discussions and exchanged ideas with relevant scholars from universities around the world, which proved to be highly beneficial.
Mingli Chen delivered a speech at the Anna Conference on Array, MIMO and 5G Antennas. She also published an article titled "Millimeter Wave Broadband Antenna in Package for 5G Communication". During her presentation, she introduced her newly created packaged antenna and engaged in a profound dialogue with the antenna team from Tongji University. They exchanged ideas and shared their experiences in antenna design.
Jie Fu presented a report titled "Investigation of Particle Spectra and Atmospheric Vertical Velocity Inversion under Non-Precipitation Conditions" at the Remote Sensing and Polarimetry, SAR conference. The report compared the inversion results of convolution method and small particle tracing method for atmospheric vertical velocity under non-precipitation conditions. It also compared the inversion results of convolution method, small particle tracing method, and cloud radar combined with wind profile radar under precipitation conditions. Additionally, it compared the effective particle radius inversion results of convolution method and empirical formula. During the questioning session, we discussed the principle of small particle tracing with the host and engaged in data analysis discussions with scholars from Tongji University.
Jing Liang presented a report titled "Comparative Study of Wind Field Measurements by Networked Weather Radar in the Hangzhou Area" at the Earth, Ocean, and Atmosphere Theme Conference on Remote Sensing. She introduced the significance and research process of comparing wind fields using networked weather radars in the Hangzhou area. Through comparative research and analysis, it was found that the consistency of the comparison effect between multi-band networked radar inversion wind field data, sounding data, and wind profile radar data at a height of 5km is better than that at a height of 1km.
Yuxiang Wen presented a paper titled "Design and Application of Dual-polarization Weather Radar Signal Simulator" at the Remote Sensing and Polarimetry, SAR conference. This paper delves into the design and application of a Dual-polarization Weather Radar Signal Simulator, providing an in-depth look into its structural framework and core algorithms. The Simulator's performance and practical applications are further illustrated through both simulation and actual test results.
Dr. Yu presented two talks at the Remote Sensing and Polarimetry, SAR session. The first presentation was on "Analysis of Microphysical Characteristics of Icing Clouds Based on Aircraft Probing". Dr. Yu discussed the process of analyzing microphysical parameters of icing water using data obtained from aircraft probing. The second presentation was on "Inversion of Microphysical Parameters of Icing Clouds Based on Dual-Polarization Radar". Dr. Yu shared the method and results of phase identification and inversion of microphysical parameters of icing clouds using dual-polarization radar technology.
The students actively engaged in communication with the scholars participating in the conference, sharing their confusions and insights in the design process. The conference attracted renowned teams from both domestic and international institutions. Through in-depth exchanges and discussions with international experts, the teachers and students gained valuable insights into the work of their counterparts abroad. This helped them to further refine their ideas for future research and develop more scientific planning for upcoming tasks. Additionally, potential international cooperation opportunities were identified during the conference.
