研究目的
Investigating the utilization of Defected Ground Structure (DGS) for characteristic enhancement of Complimentary-Split-Ring-Resonator (CSRR) based Substrate Integrated Waveguide (SIW) Bandpass Filter (BPF).
研究成果
The involvement of DGS, particularly triangle DGS, in CSRR-based SIW BPF significantly enhances the filter's characteristics, achieving up to 10% improvement in bandwidth response. Further research on DGS shapes is recommended for better performance.
研究不足
The study is limited to the use of FR4 epoxy dielectric substrate and specific shapes of DGS (circle and triangle). Further investigation on other DGS shapes and materials could provide additional improvements.
1：Experimental Design and Method Selection:
The study involves the design and optimization of CSRR-based SIW BPF with and without DGS to enhance filter characteristics.
2：Sample Selection and Data Sources:
The filter is designed on a
3：6 mm thick FR4 epoxy dielectric substrate. List of Experimental Equipment and Materials:
FR4 epoxy dielectric substrate, SMA connectors, and wet etching technique for realization.
4：Experimental Procedures and Operational Workflow:
The filter configurations are optimized through parametric studies, realized via wet etching, and measured for reflection and transmission coefficients.
5：Data Analysis Methods:
Comparison of simulated and measured results to evaluate the enhancement in filter characteristics.
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