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对一长度为 3m的分段共振耦合RFQ冷模进行了多次调谐和测量 ,得到了RF电场平整度好于 4 %的场分布 ;解决了分段共振耦合RFQ调谐时耦合单元处RF电场分布出现的台阶问题 ;确定了分段共振耦合RFQ的调谐步骤 .
Multi-tuned and measured RFQ cold mode with a length of 3m, the field distribution with RF field flatness better than 4% was obtained. The RF field distribution at the coupling unit when the RFQ was tuned by sub-section resonance was solved The step problem appeared; the step of tuning the sub-band resonance coupled RFQ was established.