rectangular equation

Through solving the rate equation of four level energy system, the result that the response time of Nd: YAG laser pumped by xenon lamp is proportional to the pump intensity of light sources is calculated by taking ideal rectangular pulse light source as pump light source.

通过求解四能级系统速率方程，计算出以理想的矩型脉冲光源做为泵浦光源，氙灯泵浦的Nd：YAG激光器响应时间与光源泵浦强度成正比。

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The calculation model was constructed by equating CWG with rectangular waveguide. The scattering formula was deduced by Integral Equation Method, which was validated by Finite Element Method.

通过将同轴波导等效为窄边是磁壁的矩形波导，建立了金属支撑杆的散射场计算模型，用积分方程法得到了散射场的计算公式，其计算结果与有限元方法仿真结果吻合良好。

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Characteristic equation of partly filling dielectric and expression of ε r was derived on the theory of rectangular waveguide, and computer aided test of sheet dielectric ε r was carried out through microwave computer aided test system.

基于矩行波导理论，导出了部分填充电介质的本征方程及εr的表达式，利用微波计算机辅助测量系统实现了片状电介质εr的计算机辅助测量。

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Based on Bernoulli equation, the mechanism of solid-fluid interaction was analyzed, and the free vibration equations of solid-fluid interaction rectangular containers with elastic bottoms were established.

基于Bernoulli方程，通过对弹性体与流场耦合作用机理的分析，建立了弹性底板矩形贮箱流固耦合系统的自由振动方程。

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