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研究了广义导流系数Π <1× 1 0 - 3 时的低能强流束包络方程的近似计算问题 ,在非线性条件下 ,导出相应的数学表达式和特征长度。使用腰 腰传输公式的包络计算结果与强流束包络方程计算结果基本一致。
The approximate calculation of the low-energy strong beam envelope equation with the generalized diversion coefficient Π <1 × 10-3 is studied. Under non-linear conditions, the corresponding mathematical expressions and characteristic lengths are derived. The envelope calculation results using the waist-waist transfer formula are basically the same as the results of the strong stream envelope equation.