Jiayang Liu, Huizhou Ma, Yaoyao Du, Qiang Ye, Zhi Liu, Jianshe Cao, Junhui Yue, Guodong Gao, Xuhui Tang, Yanfeng Sui, Shujun Wei. Measurement method for beam position of single pass beam position monitor[J]. High Power Laser and Particle Beams, 2023, 35(12): 124008
- High Power Laser and Particle Beams
- Vol. 35, Issue 12, 124008 (2023)
Fig. 1. Structure of digital beam position monitor system
Fig. 2. Single pass digital BPM system function block
Fig. 3. Single pass BPM signal processing process
Fig. 4. Power division/delay/synthesis of analog signals
Fig. 5. Copy and splice of ADC sampling data
Fig. 6. Band pass filter design
Fig. 7. Schematic diagram for calculating the amplitude of a certain path
Fig. 8. Calculation of beam position using the center of gravity method
Fig. 9. Schematic diagram of BPM analog signal and ADC data generation process
Fig. 10. X/Y -direction position resolution and its standard value
Fig. 11. X /Y -direction position resolution and its STD value
Fig. 12. Test results of the “pure time domain absolute value integration method” for actual beam flow
Fig. 13. Test results of the method in this article
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