The lower limit of the pass band is obtained by theory and simulation when the simulated power conversion efficiency exceeds 98%, which is 1.07 times of that of the TM01 mode cut-off frequency.
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Based on the theory of random process and method of numerical simulation, a new methodology of generating random wind forces by MATLAB software is developed.
基于随机过程理论和数值模拟方法，提出了利用MATL AB软件模拟生成随机风荷的一种新途径。
By utilizing modal synthesis technique and theory of elastic mechanics, the formation mechanism and simulation method of vehicle body dynamic stress caused by road unevenness are studied.
运用模态综合技术和弹性力学理论，研究了由路面不平度引起的车身动应力的形成机理及其仿真计算方法。
Finally, the rationality of the simulation theory and algorithm is verified by one typical example and its hardness test.
最后给出了一个典型算例，并实验验证了该模拟理论及算法的合理性。
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