研究目的
To propose a frequency-dependent implicit space mapping method for the prototyping of wideband microwave devices, aiming to reduce the number of fabrication runs and achieve design specifications efficiently.
研究成果
The proposed frequency-dependent implicit space mapping algorithm effectively reduces the number of fabrication runs needed to achieve design specifications for wideband microwave devices, as demonstrated by the successful fabrication and testing of a wideband impedance transformer.
研究不足
The method assumes a linear frequency-dependency for preassigned parameters, which may not cover all practical variances in electromagnetic properties. The effectiveness is demonstrated with a specific example, and its generalizability to other microwave devices needs further validation.
1：Experimental Design and Method Selection:
The study employs a frequency-dependent implicit space mapping technique to establish a mapping between a fabricated microwave device (fine model) and a fast surrogate model (coarse model) over a wide frequency range.
2：Sample Selection and Data Sources:
A three-section back-to-back impedance transformer is fabricated and tested as an example to validate the method.
3：List of Experimental Equipment and Materials:
The surrogate model is an equivalent circuit in Keysight ADS.
4：Experimental Procedures and Operational Workflow:
The method involves parameter extraction to align the response over the whole frequency band using frequency-dependent preassigned parameters.
5：Data Analysis Methods:
The alignment and optimization results are analyzed to verify the method's effectiveness.
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