Stability, Causality, and Passivity Analysis of Canonical Equivalent Circuits of Improper Rational Transfer Functions With Real Poles and Residues. - Rasul Choupanzadeh; Ata Zadehgol (IEEE Access, 2020)

Stability, Causality, and Passivity of Canonical Equivalent Circuits for Improper Rational Transfer Functions - Part II: With Complex-Conjugate Poles and Residues. - Rasul Choupanzadeh; Ata Zadehgol (IEEE Access, 2023)

Detection of Modal Numbers From Field Configurations in Rectangular Waveguides via Machine Learning Models of Noisy Datasets. - Rasul Choupanzadeh; Ata Zadehgol (IEEE Access, 2024)