研究目的
Investigating the design and performance of a novel ultra wideband (UWB) 3-dB coupler at X and Ku band based on ridged half-mode substrate integrated waveguide (RHMSIW) and embedded metal groove.
研究成果
The novel UWB RHMSIW 3-dB coupler demonstrates good performance with a relative bandwidth of 48% at the center frequency of 15 GHz and a smaller size compared to reported couplers, making it suitable for wideband millimeter wave systems.
研究不足
The paper does not explicitly mention limitations, but potential areas for optimization could include further size reduction and bandwidth enhancement.
1：Experimental Design and Method Selection:
The design involves the use of RHMSIW and embedded metal groove for the coupler. The structural parameters are analyzed, and the design is simulated and measured.
2：Sample Selection and Data Sources:
The coupler is fabricated and measured to validate the simulation results.
3：List of Experimental Equipment and Materials:
The paper mentions the use of microwave and millimeter wave circuits but does not specify the equipment or materials used.
4：Experimental Procedures and Operational Workflow:
The coupler is designed, simulated, fabricated, and measured. The performance is compared with reported couplers.
5：Data Analysis Methods:
The performance is analyzed based on simulation and measurement results, focusing on bandwidth and size.
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