Method of calculations for electron beam comtours including the effect of space charge was derived from the field free of space charge.

讨论如何由无空间电荷存在的场求空间电荷作用下电子注的包迹。

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This paper presents a digital method to calculate the EM response of a three-dimen-tional conducting permeable body which is subjected to an alternating magnetic dipole field in free space.

本文提出一种关于自由空间三维导电导磁体在谐变磁偶极场中电磁响应的数值计算方法。

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Photonic band gap (PBG) structures have been shown to have a density of states (DOS) of emission field different from that of free-space vacuum field.

光子带隙结构中的辐射场态密度(DOS)不同于自由真空场中的辐射场态密度。

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The Monitor Group, a Boston consultancy, offered free office space and field work.

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