complex permittivity extraction 1cramer-rao bound 1dielectric characterization 1electromagnetic properties 1firefly algorithm 1genetic algorithms 1gradient enhancement 1inverse problem 1material parameter estimation 1multi-objective optimization 1particle swarm optimization 1
From the 2 of 2 linked papers with an AI index.
2 papers
cs.CE2026
Complex Permittivity Extraction of Polymer Materials Using Gradient-Enhanced NSGA-II Algorithm
Hanqing Zhang, Hanqing Qing, Zhuowei Li +3
The paper introduces a gradient‑enhanced NSGA‑II algorithm that combines global evolutionary search with local gradient refinement to efficiently extract complex permittivity and t…
cs.NI2026
High-Precision Hybrid FA-PSO Based Inversion of Building Material Parameters for Fundamental Wireless Performance Evaluation
Zhuowei Li, Yalei Zhu, Hanqing Zhang +7
The paper introduces a hybrid firefly‑particle swarm optimization (FA‑PSO) method to invert building material permittivity, conductivity, and thickness from free‑space measurements…