应用天线理论中的电流分布法，首次推导了具有连续位相结构的反射式毫米波衍射天线的远场衍射图计算公式。
The far field diffractive pattern calculating formula for diffraction antenna with continuous phase structure is derived by current distribution method in antenna theory for the first time.
牺牲阳极法阴极保护因其不需电源、管理简单、电流分布均匀，特别是对于形状特殊的构筑物。
The sacrificial anode cathodic protection features no power source, simple management and even current distribution. It is well received especially on special shaped structure.
在有限长的偶极天线上，采用分布电阻加载法，实现行波电流分布，展宽天线的工作频带。
Continuous resistive loading is used to extend antenna operating band in order to realize traveling-wave current distribution on a finite length antenna.
用矩量法计算了飞机天线及其机身表面的电流分布，推导了飞机天线的辐射方向图。
Using the moment method, the antenna and surface currents of aircraft are calculated. Finally, the radiation pattern of a D-type-no-man aircraft is induced.
将任意分布的电流源产生的电磁场看作是电偶极子产生的电磁场的叠加，利用镜像法推导了上半空间中的垂直直流电偶极子在两层媒质中产生电磁场的解析解。
The analytical expressions of the electromagnetic field generated by the DC electric dipole in the upper space for the two-layer mode were obtained by using the method of mirror image.
有限元法已被证明是计算阴极保护场中电位、电流密度分布的有效方法。
The 2-d finite element method was an effective method to calculate the potential and current density distribution of cathodic protection fields.
有限元法已被证明是计算阴极保护场中电位、电流密度分布的有效方法。
The 2-d finite element method was an effective method to calculate the potential and current density distribution of cathodic protection fields.
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