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RECONSTRUCTION OF ONE DIMENSIONAL MULTI-LAYERED MEDIA BY USING A TIME DOMAIN SIGNAL FLOW GRAPH TECHNIQUE 被引量:1

RECONSTRUCTION OF ONE DIMENSIONAL MULTI-LAYERED MEDIA BY USING A TIME DOMAIN SIGNAL FLOW GRAPH TECHNIQUE
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摘要 A novel inverse scattering method to reconstruct the permittivity profile of one-dimensional multi-layered media is proposed in this paper.Based on the equivalent network ofthe medium,a concept of time domain signal flow graph and its basic principles are introduced,from which the reflection coefficient of the medium in time domain can be shown to be a series ofDirac δ-functions(pulse responses).In terms of the pulse responses,we will reconstruct both thepermittivity and the thickness of each layer will accurately be reconstructed.Numerical examplesverify the applicability of this A novel inverse scattering method to reconstruct the permittivity profile of one- dimensional multi-layered media is proposed in this paper.Based on the equivalent network of the medium,a concept of time domain signal flow graph and its basic principles are introduced, from which the reflection coefficient of the medium in time domain can be shown to be a series of Dirac δ-functions(pulse responses).In terms of the pulse responses,we will reconstruct both the permittivity and the thickness of each layer will accurately be reconstructed.Numerical examples verify the applicability of this method
机构地区 Xidian University
出处 《Journal of Electronics(China)》 1993年第2期162-169,共8页 电子科学学刊(英文版)
关键词 Multi-layered MEDIUM Reconstruct PERMITTIVITY profile INVERSE SCATTERING Time DOMAIN signal flow GRAPH Multi-layered medium Reconstruct Permittivity profile Inverse scattering Time domain signal flow graph
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