研究目的
To design a compact dual-mode ridge waveguide dual-band filter with independent control of two resonant frequencies and improved filter selectivity.
研究成果
The paper presents a compact dual-band bandpass filter based on ridge rectangular waveguide resonator, offering independent tuning of two orthogonal resonant modes and high isolation between passbands, suitable for dual-band wireless base-station applications.
研究不足
The study focuses on simulation results without physical prototype testing, which may not account for all real-world variables.
1：Experimental Design and Method Selection:
The design utilizes a novel dual-mode ridge waveguide structure to achieve two orthogonal resonant modes for independent frequency control.
2：Sample Selection and Data Sources:
The filter is designed based on theoretical models and simulations.
3：List of Experimental Equipment and Materials:
Ridge waveguide structure, 'L-shape' coaxial probe, vertical and horizontal irises for coupling.
4：Experimental Procedures and Operational Workflow:
The filter's parameters are optimized for dual-band performance, with simulations conducted to validate the design.
5：Data Analysis Methods:
Group delay response and S-parameter simulations are used to analyze the filter's performance.
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