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中文摘要：
采用传输线理论，分析了共轭T型回路结合单支节调配器时离子回旋共振加热天线系统的阻抗匹配过程，并数值模拟了共轭T型回路的可调传输线长度的选取对系统阻抗匹配效果的影响．模拟结果表明在其它实验条件一定时，优化选取的长度，能更好地降低传输线上的反射系数，提高系统的调配速度，使发射机的能量更有效地传递到天线，从而提高离子回旋共振加热的效果．
英文摘要：
Adopting the transmission line theory, the paper analyzes the ion cyclotron resonance heating（ICRH） antenna system＇s impedance matching, which obtains matching through a conjugate-T loop with a single stub tuner. The relationship between the impedance matching effect and adjustable transmission line length was numerical simulated. The results show that optimum adjustable transmission line lengthcan make the antenna system obtain good matching and improve matching speed when other experimental conditions are same, which lets the RF power transmit to antenna more effectively and reach good impedance matching state of ICRH system.
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