In this paper,we propose improved approaches for two-dimensional(2D)direction-of-arrival(DOA)estimation for a uniform rectangular array(URA).Unlike the conventi
Metasurfaces have drawn significant attentions due to their superior capability in tailoring electromagnetic waves with a wide frequency range, from microwave t
Nowadays network virtualization is utterly popular.As a result,how to protect the virtual networks from attacking on the link is increasingly important.Existing