考虑互耦计算平面阵列天线辐射的新方法  

A Novel Method for Fast and Accurate Calculating the Radiation of Large Plane Arrays

作　　者：张帅[1] 龚书喜[1] 洪涛[1] 张鹏飞[1] 

机构地区：[1]西安电子科技大学电子工程学院,西安710071

出　　处：《测控与通信》2014年第2期1-4,共4页

摘　　要：提出利用小型平面阵列来等效大型平面阵列中各天线单元的辐射场，进而求和计算大型阵列的辐射总场。通过公式推导，提高了该方法的计算效率，将大型平面阵列的辐射计算转化为4个小型平面阵列的辐射总场计算问题，避免逐个计算单元场带来的操作复杂度，显著减小了计算量。计算结果与HFSS仿真结果基本一致。A novel method for fast calculating the radiation pattern of large plane arrays is proposed in this paper. In this method, the active element patterns （AEP） of large plane array are constructed from those of a small plane subarray. Then the radiation field of the large plane array is obtained by summing over the AEP of all elements. Furthermore, the method is modified to reduce the computational expression of the modified method is derived and burden and the operational procedure. The then the large plane array analysis problem is converted into four simplified small plane array problems. Meanwhile, the effects of the mutual coupling and the surrounding array environment are rigorously considered. Example arrays of microstrip patch antennas are analyzed to assess the proposed method. The calculated results agree well with the ones simulated by HFSS.

关 键 词：平面阵列天线 辐射 子阵 有源单元方向图 

分 类 号：TN820.8[电子电信—信息与通信工程]