research PMT Readout Platform for a PandaX-inspired Array Designed and implemented a multi-channel PMT readout system for a 55-PMT array, including waveform acquisition, baseline correction, and charge extraction. PMT Linearity and Saturation Correction Study Investigated PMT saturation mechanisms and improved linearity using optimized base circuits and desaturation capacitors, extending dynamic range significantly. Light Source Position Reconstruction with PMT Arrays Implemented position reconstruction algorithms based on PMT charge distributions, including center-of-gravity and PAF methods, and evaluated spatial resolution. engineering ROOT-based PMT Waveform Analysis Framework Developed a C++/ROOT pipeline for multi-channel waveform processing, including baseline subtraction, peak finding, charge integration, and automated fitting. Flexible PMT Base Design for Next-generation LXe Detectors Designed a compact flexible PMT base integrating voltage division, signal readout, and mechanical adaptability for dense PMT arrays in future liquid xenon experiments. outreach Cycling Injury Workshop and Sports Outreach Organized and delivered a workshop on identifying and managing cycling-related knee injuries, integrating biomechanics with practical training guidance. First Cycling Race at Jilin University Organized the first campus-wide cycling race, including planning, safety management, and on-site execution.
