研究目的
To develop a low-profile dual-polarized patch antenna with enhanced bandwidth using stacked parasitic elements and CSRRs for improved impedance matching and port isolation.
研究成果
The proposed dual-polarized multilayer patch antenna achieves a significant bandwidth enhancement from 1.2% to 7.4% through the use of stacked parasitic patches and CSRRs. It maintains a low profile and good port isolation, making it suitable for mobile wireless communication applications. Future work could involve experimental verification and optimization for broader applications.
研究不足
The study is based on simulations only, without experimental validation. The design may have practical fabrication challenges, and performance could vary with real-world conditions. The bandwidth enhancement is specific to the designed frequency range and may not generalize to other bands.
1：Experimental Design and Method Selection:
The antenna design involves a multilayer structure with stacked substrates, air gap, and parasitic elements. Theoretical models include impedance matching techniques using slots and stubs, and the use of CSRRs for resonance and isolation improvement. The design was simulated using commercial software HFSS.
2：Sample Selection and Data Sources:
The antenna is a simulated model; no physical samples or datasets are used. The design is based on standard antenna theory and previous works referenced.
3：List of Experimental Equipment and Materials:
Substrates are Rogers 4350B with dielectric constant of 4.38 and loss tangent of 0.0037. Other materials include Nylon posts for support. Equipment includes simulation software HFSS.
4：38 and loss tangent of Other materials include Nylon posts for support. Equipment includes simulation software HFSS.
Experimental Procedures and Operational Workflow:
4. Experimental Procedures and Operational Workflow: The antenna was designed with specific dimensions and layers. Simulations were conducted to analyze S-parameters, radiation patterns, gain, and efficiency. Variations such as removing CSRRs or changing air-gap thickness were tested.
5：Data Analysis Methods:
S-parameters (e.g., |S11|, |S22|, |S21|) were analyzed for bandwidth and isolation. Radiation patterns and gain were evaluated at specific frequencies. Statistical analysis was not applied; results are based on simulation outputs.
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