文档介绍：微波学报 2014年6月并行FDTD分析机载微带天线阵列江树刚张光辉张玉赵勋旺林中朝(西安电子科技大学天线与微波技术重点实验室,西安710071) 摘要:时域有限差分法(FDTD)在求解电大目标或者具有复杂结构的电磁问题时,内存消耗很大,所需的计算时间很长。应用基于MPI的并行FDTD可以极大地缩短计算时间。与其他算法相比,对于具有较高介电常数的微带天线而言,FDTD 方法具有天然的计算优势。文中利用并行FDTD方法分析计算了一个大型微带天线阵的辐射特性,并与矩量法的结果进行对比,验证了算法的可靠性。同时分析计算了该阵列置于飞机平台上的辐射方向图受扰情况。数值结果表明,并行FDTD 可以高效准确的分析电大尺寸目标的复杂电磁问题。本文的研究对机载天线阵列的电磁特性分析具有一定的指导意义。关键词:时域有限差分;并行电磁学;微带天线阵:辐射特性 Analysis ofAirborne Microstrip Antenna Array Using ParaHel FDTD JIANG Shu-gang,ZHANG Guang-hui,ZHANG Yu,ZHAO Xun-wang,LIN Zhong-chao (Key andMicrowave Technology,Xidian Univcrsi劬Xi’all 710071,China) Abstract:To solve ic problems涮th electrically large size plex -Difference Time-Domain(FDTD)method requires largememory putational using parallel FDTD based On MPI,the calculation time can beshortened ofthe biggerpermittivity ofmicrostrip hasitSadvantage of pared to也e other thispaper,using parallelF【)1D。the radiation characteristic of alarge microstrip antenna array analyzed and theresults pared with the oues from the method ofmoment(MoM),and thedisturbed situation ofradiation pattern oftheairborne microstrip antenna array numerical resultsindicate thatthe electrically large ic problems can be solved e伍ciently and accurately using theparatlel the researches inthePaDer are usefulforanalyzing ic eharacteristic of