【摘要】 研究了一种分析波导裂缝阵列天线的方法。将有限元-边界元混合算法(FE-BI)应用于波导裂缝阵列天线的计算中,建立理论分析模型,计算波导裂缝上的等效磁流,进而求解整个天线阵列的远场辐射特性。为了检验这种方法的正确性,将所得的数值计算结果与测试值进行了比较,结果表明:FE-BI法可以作为计算波导裂缝阵列天线的一种有效的方法。更多还原

【Abstract】 A method for analyzing waveguide slots array is investigated.The finite element-boundary integral(FE-BI) method is introduced to calculate waveguide slots array antennas.The numerical model based on FE-BI is established.Then by obtaining the equivalent magnetic current on the surfaces of the slots,far field radiation characteristics of the waveguide slots array can be acquired.Also simulated and measured results are compared to verify the efficiency and accuracy of the presented method.The good agreement shows that FE-BI can be utilized as an efficient method for analyzing waveguide slots array.更多还原