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本文对强流脉冲电子加速器的充电过程进行了分析,并推导出电压传输系数的解析表达式。该表达式是用充电回路方程经拉氏变换后所得特征方程的特征根形式来表达的。对特征根的物理含义给予了合理的解释,并给出了近似表达式。文中还给出了从实测电压波形中求得特征根值的方法和公式,因而可以从实测电压波形中求出加速器的某些动态参数。
In this paper, the charging process of high current pulsed electron accelerator is analyzed, and the analytical expression of voltage transmission coefficient is deduced. The expression is expressed by the eigenvalue of the eigenvalue equation obtained through the Laplace transform of the charging loop equation. The physical meaning of eigenvalues is given a reasonable explanation, and an approximate expression is given. The paper also gives the method and formula for calculating the eigenvalues from the measured voltage waveforms. Therefore, some dynamic parameters of the accelerator can be obtained from the measured voltage waveforms.