研究目的
To present a novel circularly polarized Yagi antenna with improved gain compared to existing patch antennas.
研究成果
The novel circularly polarized Yagi antenna achieves a gain of 9.01dB, an 11MHz circularly polarized bandwidth at 735MHz, an impedance bandwidth of 6.3%, and improved performance due to the stacked structure and conductor rings, which concentrate electromagnetic energy.
研究不足
The study is based on simulation results only; no physical prototype or experimental validation is mentioned, which may limit the practical applicability and accuracy of the findings.
1：Experimental Design and Method Selection:
The antenna design is based on Yagi antenna principles, incorporating a stacked microstrip patch structure with conductor rings to achieve circular polarization and enhanced gain. Simulation is used for analysis.
2：Sample Selection and Data Sources:
A model of the antenna is created with specific dimensions and materials, as detailed in the paper.
3：List of Experimental Equipment and Materials:
Substrates made of Taconic TLY, copper for patches and rings, coaxial feed, and simulation software ANSYS HFSS.
4：Experimental Procedures and Operational Workflow:
The antenna model is built in ANSYS HFSS, and parameters such as S11, gain, axial ratio, and current distributions are simulated and analyzed.
5：Data Analysis Methods:
Simulation results are compared to existing antennas to evaluate performance improvements in gain, bandwidth, and polarization.
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