研究目的
Investigating the design and performance of a planar H-plane horn antenna based on groove gap waveguide technology, including its integration with a coupled-resonator filter.
研究成果
The proposed planar filter-horn antenna using gap waveguide technology demonstrates high radiation efficiency and good impedance matching. The integration of a coupled-resonator filter effectively selects the desired frequency band and reduces spurious frequency bands. The use of soft surfaces significantly improves the front-to-back ratio of the radiation pattern.
研究不足
The fabrication process of the proposed antenna may be complex due to the precision required in milling the aluminum structure.
1：Experimental Design and Method Selection:
The design involves a planar horn antenna using gap waveguide technology with corrugated walls as soft surfaces to reduce back lobe levels. A transition from the GGW to the rectangular waveguide WR-42 is used for excitation.
2：Sample Selection and Data Sources:
The prototype is fabricated using milling technology with aluminum.
3：List of Experimental Equipment and Materials:
Aluminum with conductivity of 3.56×107 [s/m], network analyzer for measurement.
4：56×107 [s/m], network analyzer for measurement.
Experimental Procedures and Operational Workflow:
4. Experimental Procedures and Operational Workflow: The antenna's performance is evaluated through simulation and measurement, including return loss, gain, and radiation patterns.
5：Data Analysis Methods:
Comparison of simulated and measured results to validate the design.
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