[天线]Application of Cubic High Dielectric Resonator Metamaterial to Antennas

Metamaterials are defined as artificial electromagnetic structures which have the negative Om8Sgy?  
permittivity εr and the negative permeability μr simultaneously in a specific frequency Ibv`/8xh  
range [1]. They are also called left-handed materials (LHMs) showing “left-handedness” m&--$sr  
which means the electric field, magnetic field, and propagation vector are related by a m>DJ w7<  
left-handed rule which results in the phase and group velocities of an electromagnetic IRsyy\[kp8  
wave being anti-parallel. .aC/ g?U  
Cubic high dielectric resonators (CHDRs) have degenerate TE and TM modes, resulting LoO"d'{  
in electric and magnetic dipoles at the resonant frequency. Thus, placing them in a cubic 6"2IV  
or other lattice structure results in a region of negative refractive index (NRI) [2]. Finite Upc_"mkI.  
element method (FEM) simulations are performed to get S-parameters of the proposed +@+*sVb  
metamaterial structure and then, the effective constitutive parameters are retrieved from F ^)( 7}ph  
S-parameter results [3]. Finally, this metamaterial structure with CHDRs is use .. 5"L.C32  
( n!8>>+1C  

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好奇DRA跟METAMATERIAL怎麼結合在一起的@@

不錯喔 這可以看看喔

kankanba看看先

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