most citedWigner-Smith Time Delay Matrix for Acoustic Scattering: Theory and Phenomenology

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eess.SY2022★ 1 cited

Wigner-Smith Time Delay Matrix for Electromagnetics: Guiding and Periodic Systems with Evanescent Modes

Yiqian Mao, Utkarsh R. Patel, Eric Michielssen

The Wigner-Smith (WS) time delay matrix relates an electromagnetic system's scattering matrix and its frequency derivative. Previous work showed that the entries of WS time delay m…