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通过应用模式分解法 ,本文将单臂探针馈电印刷线天线的分析方法推广到具有旋转对称性的任意多臂探针馈电印刷线天线的分析计算。首先给出探针馈电 N臂印刷线天线的电流积分方程、矩量方程及远区辐射场计算公式 ;通过一个中心馈电螺旋天线的分析计算验证方法和计算程序的正确性 ;设计出具有良好圆极化特性的开口双圆环印刷线天线 ;最后分析了一探针馈电四臂印刷螺旋天线的辐射特性
By applying the mode decomposition method, this paper extends the analysis method of single-arm probe-fed printed antenna to the analysis and calculation of any multi-arm probe fed printed antenna with rotational symmetry. Firstly, the current integration equation, moment equation and far-field radiation field calculation formula of N-arm printed antenna with probe feeding are given. The correctness of the verification method and calculation program is verified by a central feeding helical antenna. Good circular polarization characteristics of open double circular printed wire antenna; Finally, a probe-fed four-arm printing spiral antenna radiation characteristics