Rdds1盘短叠等效电路预测与测量的比较及其在改进尾场预测中的潜在应用
Comparisons Of Equivalent Circuit Predictions With Measurements For Short Stacks Of Rdds1 Discs, And Their Potential Application To Improved Wakefield Prediction
摘要：
在制造第一X波段RDDS（圆形阻尼失谐结构）加速器结构时，在结合整个结构的盘之前对短的盘组进行微波测量。设计频散曲线与频率测量值进行了比较。所利用的理论是基于电路模型，适合于一个短堆栈的缓慢变化的非均匀的光盘。该模型揭示了结构中模式的性质，也可用于将实验数据重新拟合到先前给出的尾流场模型中的参数[1]。这种方法可以更忠实地确定尾流场，光束将经历，因为它穿过的结构。频率上获得的结果进行了比较，原来的设计。[1]R.M.Jones等人，EPAC 96（也称为SLAC-PUB-7187）
英文摘要：
In fabricating the first X-Band RDDS (Rounded Damped Detuned Structure) accelerator structure, microwave measurements are made on short groups of discs prior to bonding the discs of the entire structure. The design dispersion curves are compared with the frequency measurements. The theory utilised is based on a circuit model adapted to a short stack of slowly varying non-uniform discs. The model reveals the nature of the modes in the structure and may also be used to refit the experimental data to the parameters in a model of the wakefield given earlier [1]. This method allows a more faithful determination of the wakefield that a beam will experience as it traverses the structure. Results obtained on the frequencies are compared to the original design. [1] R.M.Jones, et al, EPAC96 (also SLAC-PUB-7187)
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