研究目的
To demonstrate functional microstrip array antennas that utilize double-sided MIC technology for achieving dual circular polarization and circular polarization sense switching on a single-layer substrate with a simple structure.
研究成果
The functional microstrip array antennas integrating double-sided MIC's demonstrate excellent performance, including dual circular polarization and circular polarization sense switching on a single-layer substrate, with high expandability for large-scale arrays.
研究不足
The paper does not explicitly mention specific limitations, but potential areas could include frequency range constraints, substrate material limitations, or scalability issues for larger arrays.
1：Experimental Design and Method Selection:
The study involves designing and fabricating functional microstrip array antennas using double-sided MIC technology. The design includes a dual-feed array antenna with microstrip lines and slot lines arranged on the top and bottom layers of a substrate, connected by air-bridges. Planar microwave functional circuits such as 90° hybrids and SPDT switches are integrated to achieve dual circular polarization and sense switching.
2：Sample Selection and Data Sources:
The antennas are fabricated and tested, with characteristics simulated and measured to evaluate performance.
3：List of Experimental Equipment and Materials:
Substrate for the MIC, microstrip lines, slot lines, air-bridges, 90° hybrids, SPDT switches.
4：Experimental Procedures and Operational Workflow:
Fabricate the antenna structure, integrate functional circuits, excite different ports (e.g., Port1 and Port2), measure radiation patterns and axial ratio (AR) characteristics, and test switching capabilities.
5：Data Analysis Methods:
Analyze simulated and measured data to assess performance metrics such as polarization characteristics and switchable capabilities.
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