研究目的
To present a new probe-fed patch antenna with polarization recon?guration capable of switching between four linear polarization directions at a 45? interval, maintaining an invariable operating frequency and excellent radiation performance for wireless communications.
研究成果
The proposed polarization recon?gurable circular patch antenna can realize recon?gurable quadri-polarization diversity features with an invariable operating frequency and excellent radiation performance, making it attractive for wireless communications. The design can also offer more recon?gurable linear polarization directions by adding more switchable paths in the feed network.
研究不足
The cross-polarization performance is sensitive to the isolation between the four switchable transmission paths, and the use of more PIN diodes in series can lead to larger power losses and a more complicated structure.
1：Experimental Design and Method Selection:
The antenna design involves a circular radiating patch and a switchable feed network controlled by four pairs of PIN diodes to achieve polarization recon?guration.
2：Sample Selection and Data Sources:
A prototype was designed, fabricated, and measured to verify the proposed design.
3：List of Experimental Equipment and Materials:
The antenna uses substrates with specific thicknesses and permittivities, PIN diodes (In?neon BAR50-02V), ferrite beads (Murata, model BLM18G), and a 100 pF capacitor.
4：Experimental Procedures and Operational Workflow:
The feed point of the circular patch is switched by controlling the operating states of the PIN diodes, enabling polarization recon?guration.
5：Data Analysis Methods:
Simulated and measured results were compared using ANSYS HFSS for simulation, an Agilent N5244A network analyzer, and a Satimo Starlab near-?eld measurement system for measurement.
独家科研数据包，助您复现前沿成果，加速创新突破
获取完整内容
