机载螺旋天线辐射特性的研究
A STUDY ON RADIATION CHARACTERS OF SPIRAL ANTENNAS ON AN AIRCRAFT
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摘要: 本文用螺旋的半圆近似法计算了阿基米德螺旋天线的辐射场。应用几何绕射理论(GTD)导出了机载螺旋天线辐射场的计算公式。计算结果与实测结果进行了比较,两者吻合较好。Abstract: The radiation fields of the Archimedean spiral antenna are derived by approximating the spiral with a series of semicircles. The formulas are developed to calculate radiation fields of the spiral antennas on an aircraft by applying the GTD. The calculated results agree well with the experimental ones.
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