Truncated Impedance Sheet Model for Low-Profile Broadband Nonresonant-Cell Metasurface Antennas Using Characteristic Mode Analysis

@article{Lin2018TruncatedIS,
  title={Truncated Impedance Sheet Model for Low-Profile Broadband Nonresonant-Cell Metasurface Antennas Using Characteristic Mode Analysis},
  author={Feng Han Lin and Zhi Ning Chen},
  journal={IEEE Transactions on Antennas and Propagation},
  year={2018},
  volume={66},
  pages={5043-5051}
}
A unit-cell-free truncated impedance sheet model is proposed for the modeling and design of low-profile broadband metasurface antennas (MAs) composed of nonresonant unit cells using characteristic mode analysis. Different from conventional MAs with locally resonant unit cells, the nonresonant unit cells of the proposed MAs only contribute to the grid impedance and the MA operates with the global resonances of the metasurfaces. New measures are also reported to incorporate a higher order… 

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