When the absorbing coating doped with 5wt% absorber, the permittivity increased rapidly and decreased with the increasing frequency.

• 掺杂5wt%25的纳米吸收剂以后，吸波涂层介电常数的实部和虚部均有大幅度的增加； 介电常数随着频率的升高而有一定的下降，具有比较好的频散效应；