▎ 摘　　要

NOVELTY - The utility model claims a graphene-based microwave band dynamic adjustable wave absorbing device, belonging to the technical field of microwave device, graphene-based microwave band dynamic adjustable wave absorbing device, comprising a patterned graphene sandwich structure set in superposition, metal patch array, FR4 medium and a metal bottom plate, a patterned graphene sandwich structure comprises two layers of the PVC substrate, are provided with a patterned graphene on the inner layer of PVC substrate, ionic liquid-filled between the two layers of the PVC substrate. The utility model has square resistance of graphene capable of applying different voltages to be dynamically controlled by the DC voltage source, the DC biasing device for dynamic control to impedance of the grown graphene, so as to perform dynamic verification, comprising the following function for dynamic tuning in Ku wave band frequency wave frequency point to be perfect absorber and the incident wave, used for hiding and measuring thermal radiation, in applying the spreading road microwave band is graphene.