The low-frequency slot harmonic modulation is used to weaken the end effect or decrease the wave of the thrust, and the many projects are designed or the better project is selected.
采用齿谐波低频调制的设计方法，来削弱直线电机固有的端部效应，使推力的波动减小，并进行了多方案计算，得出比较好的设计方案。
A model for thrust calculation was set up by combining Sedov's theory of self similarity solution for line explosion with shock wave theory of reflection and attenuation.
建立了基于谢多夫柱爆轰理论和冲击波反射与衰减理论的光船推力计算模型。
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