2020
DOI: 10.1109/access.2020.3014257
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Improved T-Matrix Method for Simultaneous Reconstruction of Dielectric and Perfectly Conducting Scatterers

Abstract: In this paper, an improved T-matrix method is proposed to improve the accuracy for simultaneous reconstruction of dielectric scatterers and perfectly electric conductors (PEC). First, we modify the original T-matrix inversion method and obtain a preliminary reconstruction result. Then treat this result as a priori information, and a new initial iteration value is generated by truncating and assigning values to it. At the same time, genetic algorithm (GA) is used to optimize these truncation and assignment para… Show more

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Cited by 5 publications
(3 citation statements)
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References 28 publications
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“…Given these factors, chromosomes are picked and mating operations are carried out on them for the new generational population. The fitness variable surveys the idea of each successor [31]. The study here will utilize an HGA approach which is an adjusted GA approach for greater legitimacy.…”
Section: Genetic Algorithm (Ga) In Iomt-cloudmentioning
confidence: 99%
“…Given these factors, chromosomes are picked and mating operations are carried out on them for the new generational population. The fitness variable surveys the idea of each successor [31]. The study here will utilize an HGA approach which is an adjusted GA approach for greater legitimacy.…”
Section: Genetic Algorithm (Ga) In Iomt-cloudmentioning
confidence: 99%
“…However, the computational cost of the required singular value decomposition is large and the reconstruction accuracy of the T-matrix method is limited. In 2020, Gan et al [12] proposed an improved T-matrix method that uses a genetic algorithm to optimise the truncation and assignment parameters before the start of iteration. In the same year, they proposed a fast algorithm [13] that applies qualitative results from the linear sampling method to the virtual experiment circles in the framework of the T-matrix method, transforming the parameter inversion into solving a series of univariate equations, thus significantly improving the imaging efficiency.…”
Section: Introductionmentioning
confidence: 99%
“…Given these factors, chromosomes are picked, and mating operations are carried out on them for the new generational population. The fitness variable surveys the idea of each successor [25]. This paper will utilize an HGA approach which is an adjusted GA approach for greater legitimacy.…”
Section: Introductionmentioning
confidence: 99%