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基于系统函数的FDTD特性研究 被引量:1

Study on Characteristics of FDTD Based on System Function
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摘要 提出了基于系统函数的时域有限差分(FDTD)特性分析方法;根据一维自由空间的FDTD迭代方程,利用组合数学理论获得了解的解析式;通过对解进行Z变换,得到了系统函数的表达式;根据系统函数,针对不同情况分析了FDTD的特性;仿真结果对理论分析进行了验证。 This paper presents a method for analyzing characteristic of finite difference time domain(FDTD) based on system function.The analytical solution is obtained from FDTD iteration equation with combinatory algorithm.The expression of system function is achieved through the z-transformation of the solution.The characteristics of FDTD are analyzed by system function in different cases.The result of simulation validates the theoretical ones.
作者 陈春雨 吴群
出处 《微波学报》 CSCD 北大核心 2010年第5期53-55,共3页 Journal of Microwaves
基金 中央高校基本科研业务费专项资金(HEUCF100825)
关键词 时域有限差分 系统函数 组合数学 Finite difference time domain System function Combinatory algorithm
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参考文献5

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