研究目的
To design a miniaturized dual-band BPF with high selectivity, controllable bandwidths, and wide stopband for application in modern communication systems.
研究成果
A dual-band BPF using transversal signal cancellation concepts is presented, featuring compact size, independently controllable bandwidth, manageable center frequencies, and high selectivity. The filter achieves wide stopband suppression with a dozen of transmission zeros, making it suitable for next-generation communication systems.
研究不足
The paper does not explicitly mention limitations, but potential areas for optimization could include further miniaturization and enhancement of stopband suppression.
1：Experimental Design and Method Selection:
The design is based on transversal signal interaction concepts, utilizing a transversal filtering structure to create two signal propagation paths.
2：Sample Selection and Data Sources:
The filter is designed to operate at center frequencies of
3：8 and 8 GHz. List of Experimental Equipment and Materials:
The filter is fabricated on Rogers4003C substrate with specific dimensions and parameters.
4：Experimental Procedures and Operational Workflow:
The filter's performance is validated through simulation and measurement using a vector network analyzer.
5：Data Analysis Methods:
The filter's performance is analyzed in terms of insertion loss, return loss, and stopband suppression.
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