本文应用几何绕射理论研究了有限结构体上天线的辐射特性，并给出了圆柱体上直立天线的计算结果。
In this paper, the antenna radiation features on finite constructional bodies is studied via GTD, and the calculated result of vertical antenna on cylinder is obtained.
本文应用绕射理论并借助于互易定理，导出了一个在有限尺寸金属平板上割出的一条裂缝的近似辐射埸公式。
On applying the diffraction theory and with the aid of the reciprocity theorem, an approximate formula for the radiation field of a slot cut in a metal sheet of finite size is derived.
本文中采用边界积分方程和有限元耦合的数值方法，计算了二维波浪绕射和辐射问题。
The numerical method of coupled boundary integral equation and finite element has been used to compute the forces of wave diffraction and radiation on large two dimensional objects.
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