强激光与粒子束, 2012, 24 (4): 949, 网络出版: 2012-05-08
高能电子辐照对束测量系统的影响
Influence of high energy electron irradiation on beam parameters measurement system
直线感应加速器 束参数测量 高能电子辐照 电导率 抑制措施 linear induction accelerator beam parameters measurement high energy electron irradiation conductance suppression measures
摘要
在直线感应加速器束参数测量系统实验的基础上，给出了束参数测量系统的实验布局和特点，分析高能电子辐照对直线感应加速器中测量系统电子器件介电性能的影响和变化规律；进一步探讨电子器件介电性能受高能电子辐照后的抑制措施。针对电磁空间干扰情况，主要通过采用光纤传输控制信号的措施，能很好地传输窄脉冲，信号延时抖动小，达到了高速信号的可靠传输要求，利用紧凑嵌入式方法，提高了抗电磁干扰的能力，这样可以更好保护束参数测量电子器件。
Abstract
The paper presents the experimental layout and characteristics of the beam parameters measurement system for linear induction accelerator, and analyzes the change of electronic components of the system under high energy electron irradiation. Then measures for component protection are investigated. Under strong electromagnetic interference, high speed signals can be transmitted by using fiber to maintain the narrow pulse with small delay and jitter; using compact embedded computing can improve the system’s immunity to electromagnetic interference.
王远, 谢宇彤, 陈思富, 江孝国, 朱隽, 禹海军, 李成刚. 高能电子辐照对束测量系统的影响[J]. 强激光与粒子束, 2012, 24(4): 949. Wang Yuan, Xie Yutong, Chen Sifu, Jiang Xiaoguo, Zhu Jun, Yu Haijun, Li Chenggang. Influence of high energy electron irradiation on beam parameters measurement system[J]. High Power Laser and Particle Beams, 2012, 24(4): 949.
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