本文在矩量法计算曲面偶极子特性数据的基础上对方向性系数进行了优化，得到了曲面偶极子方向性系数的最大值。
Based on the calculation of the characteristic parameters of curved surface dipoles by moment method, the directivities are optimized, the maximum directivities of curved surface dipoles are obtained.
讨论空间曲面的表达和描述方法，给出了利用不变矩描述空间曲面的方法。
The expression and description of space surface is demonstrated. Invariant moments are used to describe the surface.
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