High Power Metamaterial Based Dielectric Reflectarray Antenna
A cross-shaped dielectric reflectarray element with continuous variation of permittivity is proposed in this paper.An improved method is used to retrieve the effective permittivity of a slab of metamaterial from its S parameters.A continuously changed permittivity from 1 to 5 and a full 360° range of phase shifts is successfully achieved at 9.3GHz from the simulation results.The power capacity of the element could reach 371Kw to accommodate to high power situations.A reflectarray of 20×20 elements is modeled and simulated to verify the radiation properties.Simulation results show that the main beam direction of 25° and the maximum gain of 25.4 dB are realized as expected.The new Fused Deposition Modeling(FDM)3D printing approach can be deployed for the antenna fabrication with significantly reduced labor time and material costs.
dielectric reflectarray high power metamaterial
Qiwen Qiang Binke Huang Meng Cao
Xian Jiaotong University Xian China
国际会议
杭州
英文
1-4
2018-12-03（万方平台首次上网日期，不代表论文的发表时间）