根据实测的单元天线方向图，利用几何绕射理论，给出了金属截锥柱侧天线三维辐射场的一种有效的数值分析方法。
On the basis of the experimental element pattern and GTD, an efficient numerical method for analyzing 3-D radiation field of antennas on the truncated cone-cylinder is presented.
本文引入一种求解有耗地面上方物体的电磁散射和辐射问题的快速算法，能有效地计入地面反射效应对散射和辐射场的影响。
A fast method for electromagnetic scattering and radiation problems pertinent to objects above a lossy ground is presented, and the scattering and radiation fields by grounds are taken into account.
给出时谐电磁场矢量的积分关系式，探讨了辐射场的有效源，并应用于几个实例的计算。
The integral relationships of time-harmonic electromagnetic field vector are given, the effective sours of radiative fields is Studied, then some examples are calculated.
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