The effect of field strength, initial phase, bunch shape and charge on electron beam transverse emittance is also explored by numeric simulation method.
利用数值模拟方法研究了加速场强、注入相位、束团大小、形状、电荷等因素对束流横向发射度产生的影响。
Based on beam propagation method, analysis and simulation on optical propagation characteristics of side-polished fiber have been made.
基于有限差分光束传播法，对侧边抛磨光纤的光传输特性进行了模拟计算。
Variational-Effective index method and Finite difference beam propagation method(FD-BPM) are both practicable waveguide simulation tools.
在众多的波导模拟工具中变分有效折射率法和有限差分束传播法都是实用性非常强的。
Simulation results show that this method can be applied to wideband signal processing and its computational burden is much less than conventional beam-forming method.
计算机仿真结果表明此方法可以运用到宽带信号处理中，计算量与传统的波束形成法相比大大减少。
The efficiency of the method is validated by numerical simulation studied on a damage cantilever beam.
通过对悬臂梁在损伤情况下的数值模拟验证了该方法的有效性。
Simulation results show that the method can reduce the excursion of beam pointing effectively, and the requirement of beam pointing accuracy for SOTM can be satisfied.
仿真结果表明，该方法可以有效减小天线波束指向漂移，满足卫星移动通信系统对天线波束指向精度的要求。
The VSS controller of the cross beam system was designed based on the layer VSS control theory. The simulation result shows that the method has good robustness and ability of anti-disturbance.
本文设计了分层变结构控制器，并进行了仿真，仿真结果表明，该系统具有较好的抗干扰性和鲁棒性。
According to mechanics, a stiffness model of the flexible beam was established. Then the parameters of the beams were determined by a simulation in finite element method.
根据力学原理，建立了柔性梁的刚度模型，结合有限元法进行仿真分析，确定出梁的结构参数尺寸。
According to mechanics, a stiffness model of the flexible beam was established. Then the parameters of the beams were determined by a simulation in finite element method.
根据力学原理，建立了柔性梁的刚度模型，结合有限元法进行仿真分析，确定出梁的结构参数尺寸。
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