双负微带结构的空域格林函数求解  

Solutions of Spatial Green Functions for Microstrip Structure with Double Negative Substrates

作　　者：张捷[1] 潘雪峰[1] 

机构地区：[1]西北工业大学电子信息学院,陕西西安710129

出　　处：《计算机仿真》2010年第6期358-362,共5页Computer Simulation

摘　　要：为了研究以双负材料为衬底的微带结构的空域格林函数,为了提高拟合时的精度,通过微带结构的谱域格林函数推导其空域格林函数表达式,采用二级近似的离散复镜像方法(DCIM)计算了双正、双负衬底微带结构的标量位和矢量位空域格林函数。计算结果与文献结果吻合良好,验证了DCIM方法运用的准确性以及DCIM法在双负衬底填充情形下的适用性和有效性,为应用矩量法进一步分析双负衬底微带天线的电磁特性提供了有效的途径。The Spatial Green functions of microstrip structure with double negative （DNG） substrates are analyzed and studied in this paper. The Spatial Green functions are deduced by the Spectral Green functions of the microstrip structure. Two- level discrete complex image method （DCIM） is used to compute the spatial Green functions of microstrip structure with double positive （DPS） and DNG substrates efficiently. And the theoretical calculation results agree well with the results from reference paper, which verifies the accuracy of the DCIM in this paper. The results show that the spatial Green functions of microstrip structure with DNG substrates using DCIM are also applicable and validated. It provides effective measures for adopting method of moment （MoM） to analyze the electromagnetic characteristics of microstrip antenna with DNG substrates.

关 键 词：双负材料 微带结构 空域格林函数 离散复镜像方法 

分 类 号：TN820[电子电信—信息与通信工程]