谐振腔型探头优化设计方法，腔式探头多参数信息提取优化算法，基于腔式探头的束测系统集成及优化技术。针对FEL装置的束团位置精确测量需求，研制了C波段腔式探头射频信号调理前端[1]，对腔式探头信号幅度提取优化算法进行了理论分析及实验验证[2]，在此基础上讨论了此类系统集成中不同模块间如何实现参数匹配的优化设计方法[3]，完成了测量系统集成[4]，开展了电荷量精确测量[5-6]、到达时间精确测量[7-10]以及束团轨迹偏角测量[11]的应用研究。

[1] 陈健，陈方舟，冷用斌*，腔式CBPM系统射频信号调理前端研制，原子能科学技术，2022年10月，第56卷第10期

[2] Jian Chen, Shanshan Cao, Yongbin Leng*，Study of the optimal amplitude extraction algorithm for cavity BPM，Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment Volume 1012, 1 October 2021, 165627, https://doi.org/10.1016/j.nima.2021.165627

[3] Jian Chen, Yongbin Leng*, Shanshan Cao, Longwei Lai, Renxian Yuan, Ruitao Jiang, Xing Yang, Optimized design method study for cavity BPM system, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 1044, 1 December 2022, 167509, https://doi.org/10.1016/j.nima.2022.167509

[4] 陈健，冷用斌*等，上海软Ｘ射线自由电子激光腔式束流位置测量系统，原子能科学技术，2020年第54卷第10期

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[7] Shanshan Cao, Yongbin Leng*, Renxian Yuan, and Jian Chen, Optimization of beam arrival and flight time measurement system based on cavity monitors at the SXFEL, IEEE TRANSACTIONS ON NUCLEAR SCIENCE, VOL. 68, NO. 1, JANUARY 2021

[8] Shanshan Cao, Yongbin Leng∗, Renxian Yuan, Jian Chen, An application of a cavity-based beam arrival time measurement system: Beam energy measurement, Nuclear Inst. And Methods in Physics Research, A, Volume 1045, 1 January 2023, 167456, https://doi.org/10.1016/j.nima.2022.167456

[9] Cao, S., Yuan, R., Chen, J., Leng Y. (*) et al. Dual-cavity beam arrival time monitor design for the Shanghai soft X-ray FEL facility. NUCL SCI TECH 30, 72 (2019)

[10] 周逸媚，冷用斌*，陈健，曹珊珊，许兴懿，赖龙伟，基于腔式探头的束团到达时间测量算法优化，原子能科学技术，2022年10月，第56卷第10期，2104-2112

[11] Jian Chen, Shanshan Cao, Luyang Yu, Longwei Lai, Renxian Yuan, Fangzhou Chen, and Yongbin Leng*, In situ beam trajectory tilt measurement based on single cavity beam position monitor, Phys. Rev. Accel. Beams 26, 102802

[12] Chen, J., Leng, Y*., Yu, L. et al. Beam test results of high Q CBPM prototype for SXFEL. NST, 28, 51 (2017). https://xs.scihub.ltd/https://doi.org/10.1007/s41365-017-0195-x

[13] Ning Z, Baopeng W, Yongbin L*, An on-line data acquisition system of oscilloscope-embedded input/output controller for cavity BPM measurement[J]. NST, 2013, 22(6): 321-325.

[14] 王宝鹏, 冷用斌, 张宁. 腔式束流位置探头初步束流实验与参数仿真[J]. 核技术, 2013, 36(5): 50102-050102.

[15] Baopeng W, Yongbin L, Luyang Y U, et al. Design and measurement of signal processing system for cavity beam position monitor[J]. NST, 2013, 24(2): 20101-020101.