Trimming algorithm of frequency modulation for CIAE-230 MeV proton superconducting synchrocyclotron model cavity

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• 作者：Pengzhan Li ; ^{lipengzhan@ciae.ac.cn} ; Tianjue Zhang ; Bin Ji ; Shigang Hou ; Juanjuan Guo ; Meng Yin ; Jiansheng Xing ; Yinlong Lv ; Fengping Guan ; Jun Lin
• 关键词：Superconducting synchrocyclotron ; Cavity ; Trimming algorithm ; Frequency-time curve
• 刊名：Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
• 出版年：2017
• 出版时间：21 January 2017
• 年：2017
• 卷：843
• 期：Complete
• 页码：34-38
• 全文大小：502 K
• 卷排序：843

文摘

A model cavity is designed to verify the trimming algorithm of frequency modulation. The RF frequency is expressed by fitting approximation and Maclaurin series. The variable capacitor of the cavity works as a function of time. The trimming formula for blade radius is found by discretization in time domain. The amendment solution helps to reduce the frequency error.