研究目的
To design a high bandwidth circular polarization microstrip patch antenna with single-feed and inserting of shorting pins to enhance bandwidth and gain.
研究成果
The proposed microstrip patch antenna with a single set of shorting pins demonstrates significant improvements in bandwidth (100% increase) and gain (28% increase) compared to antennas with two sets of shorting pins. The design achieves circular polarization with a single probe feed, making it suitable for applications requiring high bandwidth and gain.
研究不足
The study is limited to simulation outcomes without physical prototype testing. The bandwidth and gain enhancements are compared between antennas with single and two sets of shorting pins, but real-world environmental factors are not considered.
1：Experimental Design and Method Selection:
The design involves a microstrip patch antenna with a single set of shorting pins placed symmetrically on the orthogonal diagonal of the patch radiator to achieve circular polarization.
2：Sample Selection and Data Sources:
The antenna is simulated using IE3D simulation software.
3：List of Experimental Equipment and Materials:
Roger substrate with a height of
4：175mm and a relative permittivity of ?r = 2 is used. Experimental Procedures and Operational Workflow:
The antenna's performance is analyzed by adjusting the position of shorting pins and feed position to achieve optimal bandwidth and gain.
5：Data Analysis Methods:
The performance is evaluated based on reflection coefficient (s11), axial ratio, gain, and directivity.
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