Wigner-Smith Time-Delay Matrix for Electromagnetics: Theory and Phenomenology

Patel, UR; Michielssen, E

Patel, UR (corresponding author), Univ Michigan, Dept Elect Engn & Comp Sci, Ann Arbor, MI 48109 USA.

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2021; 69 (2): 902