研究目的
To design a compact, high-performance double-layer filter using Sixteenth-Mode Substrate Integrated Waveguide (SMSIW) and defected ground structure (DGS) for telecommunication systems.
研究成果
The proposed double-layer SMSIW filter with DGS successfully achieves compact size, high performance, and controllable transmission zeros, making it a competitive candidate for RF and microwave circuits and systems.
研究不足
The size reduction and performance enhancement are achieved at the cost of increased design complexity and potential challenges in manufacturing precision.
1：Experimental Design and Method Selection:
The design involves a double-layer SMSIW filter with DGS for coupling control. Theoretical models include the use of quasi-magnetic walls for size reduction and DGS for coupling and transmission zero control.
2：Sample Selection and Data Sources:
Rogers RT/Duroid 5880 substrate is used with specific permittivity and loss tangent.
3：List of Experimental Equipment and Materials:
Ansoft HFSS for simulation, Rogers RT/Duroid 5880 substrate, and manufacturing tools for prototype fabrication.
4：Experimental Procedures and Operational Workflow:
Design optimization through simulation, fabrication of the prototype, and measurement of S-parameters to validate the design.
5：Data Analysis Methods:
Comparison of simulated and measured S-parameters to assess performance.
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