在一维模拟中,采用混合模型研究离子噪声,用包络方程描述电子束的,用离散的宏粒子模型描述离子。
In one-dimension simulation, the approach taken is a hybrid model where the ions are treated as distinct particles in one-dimension while the electron beam is treated using the beam envelope equation.
对四边固定的矩形膜,首次建立了F - I类比的二维电路阵列小信号等效电路宏模型。
For the rectangle membrane with four sides fixed, the small-signal macromodel for two-dimensional equivalent circuit array representation is built by adopting F-I analogy for the first time.
基于粒子模拟方法,对三维空间电荷力的计算采用全三维塑性宏粒子模型。
Super particle model is used to compute the 3-d space charge forces based on PIC.
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