2TENNANT A, CHAMBERS Microwave Absorber Using B. A Single-Layer Tuneable an Active FSS [J].IEEE Microwave and Wireless Components Letters, 2004,14 ( 1 ) :46-47.
3VESELAGO V G. The Electrodynamics of Substances With Simultaneously Negative Values of a and u[J].So-viet Physics USPEKHI,1968,10(4) :509-514.
4PENDRY J B, HOLDEN A J, ROBBINS D J,et al. Mag- netism from Conductors and Enhanced Nonlinear Phe- nomena[J]. IEEE Transactions on Microwave Theory and Techniques, 1999,47 ( 11 ) : 2075-2084.
5PENDRY J B,SCHURIG D,SMITH D R. Controlling E- lectromagnetic Fields [J].Science, 2006, 312 ( 5781 ) : 1780-1782.
