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本文导出了地面站常用的改进型波束波导馈电高效率双镜天线的辐射特性的计算式。根据这些式子可以计算天线的性能;诸如主极化和交叉极化的辐射图、波瓣峰值、半功率角常数、相位损失等等。为了适应工程上普遍性计算的要求,对上述计算式作了处理,并且根据一般工程要求进行了大量计算,得到便于在工程中应用的结论。
In this paper, the formula for calculating the radiation characteristics of the high efficiency dual-mirror antenna fed by an improved beam-guided waveguide is derived. The antenna performance can be calculated from these equations; radiation patterns such as main and cross polarization, lobe peaks, half-power angle constants, phase loss, and the like. In order to meet the requirement of universality calculation in engineering, the above calculation formula has been dealt with, and a large number of calculations have been made according to the requirements of general engineering and the conclusions that are easy to be applied in engineering have been obtained.