研究目的
To propose a novel design for constructing HMCSIW wideband bandpass filters combined with dumbbell-shaped DGS, aiming for good in-band characteristics, wide bandwidth, compact size, high sideband rejection, and low insertion loss.
研究成果
The paper successfully proposes a novel HMCSIW wideband bandpass filter combined with dumbbell-shaped DGS, demonstrating good in-band characteristics, wide bandwidth, and compact size. The filter's design is validated through simulation, showing potential for wide application in microwave and millimeter wave planar circuits.
研究不足
The study focuses on simulation results, and practical implementation challenges such as manufacturing tolerances and material imperfections are not discussed.
1：Experimental Design and Method Selection:
The study combines HMCSIW with improved dumbbell DGSs to design a wideband bandpass filter. The HMCSIW technique operates similarly to HMSIW but without metallic via holes, providing a floating conductor.
2：Sample Selection and Data Sources:
The design is implemented on a dielectric substrate
3：508 mm thick with a dielectric constant of List of Experimental Equipment and Materials:
The study uses a dielectric substrate for the filter design.
4：Experimental Procedures and Operational Workflow:
The filter's geometric parameters are defined, and the design is simulated to evaluate its performance.
5：Data Analysis Methods:
The simulated S-parameters are analyzed to assess the filter's performance, including passband bandwidth, return loss, and sideband rejection.
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