研究目的
Exploring the use of a class of metallic metasurface (MTS) in the synthesis of the reactance tensor required to obtain the objective radiation patterns for space applications, focusing on the design of a right-handed circularly polarized antenna with a broadside pencil beam in the Ka band.
研究成果
The paper demonstrates the feasibility of using metallic metasurface elements to design millimeter-wave modulated MTS antennas for space applications. A right-handed circularly polarized antenna with a broadside pencil beam in the Ka band was successfully designed and verified through simulations, showing promising performance for space exploration missions.
研究不足
The study focuses on the design and simulation of the antenna, with measurements to be presented at a later time. The practical implementation and performance under real-world conditions are not fully explored in this paper.
1：Experimental Design and Method Selection:
The study involves the synthesis of a reactance tensor using metallic MTS elements to achieve desired radiation patterns. The methodology includes full-wave simulations and the design of a metallic cylinder with elliptical cross-section arranged in a square lattice.
2：Sample Selection and Data Sources:
The unit cell's geometry is defined with specific dimensions and properties to modulate the surface reactance tensor.
3：List of Experimental Equipment and Materials:
Metallic cylinders with elliptical cross-sections placed on a ground plane, arranged in a square lattice with sub-wavelength unit-cell side.
4：Experimental Procedures and Operational Workflow:
The design process involves modulating the equivalent reactance tensor in the aperture plane to transform surface waves into leaky waves, achieving the desired radiation patterns.
5：Data Analysis Methods:
The performance is verified through full-wave simulations, and the results are analyzed to assess the antenna's efficiency and radiation characteristics.
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