研究目的
Investigating the design and performance of a 24 GHz antenna for miniaturized FMCW radar using additive manufacturing technology.
研究成果
The paper presents a successful design and fabrication of a 24 GHz antenna for miniaturized FMCW radar using additive manufacturing. Despite some discrepancies in gain measurements, the results show good agreement between simulations and measurements, indicating the potential of this technology for RF component fabrication.
研究不足
The study noted discrepancies between simulated and measured antenna gain, attributed to unmeasured losses in the dielectric material and metal conductivity. Further measurements and optimizations are needed to address these discrepancies.
1：Experimental Design and Method Selection:
The study involved designing a 24 GHz antenna for FMCW radar using additive manufacturing technology. The design included a dipole antenna embedded in a polymer slab, with a focus on miniaturization and integration of RF components.
2：Sample Selection and Data Sources:
A prototype antenna was fabricated using TNO's 3D printing technology. The dielectric permittivity of the polymer material was characterized, and the antenna's performance was measured.
3：List of Experimental Equipment and Materials:
The fabrication used a Stereolithography (SLA) based research platform, high temperature photopolymer resin, and micro-sized silver flakes for conductive tracks.
4：Experimental Procedures and Operational Workflow:
The antenna was printed in three stages: printing the lower polymer part, filling channels with silver paste, and printing the upper polymer part. The antenna's reflection coefficient and radiation patterns were measured.
5：Data Analysis Methods:
The antenna's performance was analyzed through simulations and measurements, comparing reflection coefficients and radiation patterns.
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