Guodong Gao, Jianshe Cao, Zhi Liu, Yaoyao Du, Qiang Ye, Huizhou Ma, Yanfeng Sui, Junhui Yue, Jun He, Taoguang Xu, Jing Yang, Xing’er Zhang, Xuhui Tang, Shujun Wei. Study and implementation of automatic gain calibration method for 4-channel digital beam position monitor[J]. High Power Laser and Particle Beams, 2021, 33(9): 094006
- High Power Laser and Particle Beams
- Vol. 33, Issue 9, 094006 (2021)
Fig. 1. Block diagram of automatic gain calibration system
Fig. 2. Structure diagram of BPM digital sampling and processing circuit
Fig. 3. Block diagram of ADC sampling data automatic gain correction
Fig. 4. Data processing flow chart
Fig. 5. Schematic diagram of ADC data before automatic gain calibration
Fig. 6. Schematic diagram after ADC data automatic gain calibration
Fig. 7. Schematic diagram of online calibration principle of digital BPM
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