Jisen Yang, Weimin Pan, Honglei Wang, Jiaji Liu, Muyuan Wang, Quan Zhou, Feisi He, Peng Sha, Haiying Lin, Qunyao Wang, Guangwei Wang, Zhenghui Mi. Digital self-excited vertical test system of superconducting cavity[J]. High Power Laser and Particle Beams, 2020, 32(4): 045106
- High Power Laser and Particle Beams
- Vol. 32, Issue 4, 045106 (2020)
Fig. 1. Schematic of the self-excited loop
Fig. 2. Schematic of the first and the second up-and-down frequency conversion
Fig. 3. Scheme of digital signal processing
Fig. 4. Diagram of coordinate rotation
Fig. 5. Measurement results of radio frequency front end
Fig. 6. Free running self-excited loop
Fig. 7. Decay time measurement
Fig. 8. Pass-band mode frequency of 1.3 GHz 9-cell cavity
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Table 1. Pass-band mode frequency of 1.3 GHz 9-cell superconducting cavity
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