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电子学报  2015 

金属接触非线性引起的无源互调效应的数值分析

DOI: 10.3969/j.issn.0372-2112.2015.06.020, PP. 1174-1178

Keywords: 场路结合,等效电路模型,电磁数值分析,无源互调

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Abstract:

针对时域物理光学方法求解无源互调问题的局限性,提出基于"场路结合"的数值分析方法,建立非线性金属结的等效电路模型并将其引入到全波方法中,通过全波方法与等效电路相结合的方式来分析系统的无源互调干扰.计算实例表明,该方法可以精确地计算由于金属接触非线性引起的无源互调及其作为二次辐射源所激发的电磁场,避免了时域方法在电大尺寸问题上计算的积累误差以及只能对处于远场区的简单微波结构的无源互调效应进行求解的问题.本文提出的场路结合数值分析方法为微波部件无源互调效应的研究提供了新的思路与方法.

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