Virtual Array Design via Hole-Free Sparse Array With Reduced Mutual Coupling Effect. - Masoud Dorvash; Mohammad Javad Naghdi; Sayed Jalal Zahabi; Mahmoud Modarres-Hashemi; Mohammad Alaee-Kerahroodi; Oliver Lang; Reinhard Feger (IEEE Trans. Aerosp. Electron. Syst., 2025)