研究目的
Investigating the decoupling between two very closely located dipole antennas using metasurfaces to reduce negative effects over the radiated signal compared to decoupling by a single passive scatterer.
研究成果
Numerical and experimental results demonstrate that decoupling between two closely located dipole antennas using metasurfaces of resonant dipoles and SLRs is feasible and reduces parasitic scattering compared to single passive scatterers. This approach has potential applications in ultra-high field MRI.
研究不足
The study focuses on decoupling between two closely located dipole antennas and may not address decoupling in more complex antenna arrays or different configurations. The practical application in ultra-high field MRI requires further validation with phantoms.
1：Experimental Design and Method Selection:
Numerical and experimental study of decoupling between two closely located dipole antennas using metasurfaces of resonant dipoles and split-loop resonators (SLRs).
2：Sample Selection and Data Sources:
Two active dipole antennas with predefined geometry and metasurfaces added for decoupling.
3：List of Experimental Equipment and Materials:
CST Microwave Studio for simulation, lumped port for excitation, PEC wire for dipoles.
4：Experimental Procedures and Operational Workflow:
Simulation using CST Microwave Studio, Time Domain solver, optimization of distance between metasurfaces and dipoles, measurement of decoupling effects.
5：Data Analysis Methods:
Comparison of simulation and measurement results to validate decoupling by metasurfaces.
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