求翻译：本文研究了基于面电流（物理光学法）的旋转反射面天线电性能计算方法。首先介绍了反射面天线的基本电磁概念以及旋转反射面天线的几何学特性。然后介绍了口径场法的理论原理，并编写了电性能计算程序，绘制天线的波瓣图。接下来阐述了面电流法的原理，以及完成了电性能程序的编写，进行了相关参数的计算。文章还对相同其他条件下口径场法和面电流法计算所得结果进行了比较，分析了二者在同频下的计算精度差异，以及误差主要来源。是什么意思？

In this paper, the calculation method based on the rotating reflector antenna electrical properties of the surface current (physical optics). First introduced the characteristics of reflector antennas under the concept of basic electromagnetic and rotating reflector antenna geometry. Then introduces

This paper studies based on current law) (physical optical rotation of the antenna reflector surfaces -- performance calculation method. The first reflective surface of the antenna base electromagnetic concepts, as well as rotate the antenna reflector surfaces geometrical features. And then on the c

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In this paper, based on surface currents (physic-optics method) calculation method of electrical properties of rotating reflector antenna. First describes the basic electromagnetic concepts and rotation of the reflector antenna geometry characteristics of reflector antennas. And then describes the t

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