研究目的
To present a flexible microstrip grid array antenna designed on PDMS substrate and copper conductive fabric for wearable applications, focusing on its performance in normal and bend states.
研究成果
The flexible microstrip grid array antenna on PDMS substrate and conductive fabric demonstrates good performance in terms of reflection coefficient and gain, even in bend states. This makes it a suitable candidate for wearable applications, offering stable performance at the designed frequency of 15 GHz.
研究不足
The study focuses on the performance of the antenna at a specific frequency (15 GHz) and its flexibility characteristics. The impact of extreme bending or other environmental factors on the antenna's performance was not extensively explored.
1：Experimental Design and Method Selection:
The antenna was designed using guided wavelength equation at 15 GHz and simulated using CST Microwave Studio software. The design includes 19 cells with 22 radiating elements arranged in rectangular geometry.
2：Sample Selection and Data Sources:
The antenna was fabricated using PDMS substrate and copper conductive fabric. The fabrication process involved cutting the copper fabric using a silhouette cameo machine and attaching it to the PDMS substrate.
3：List of Experimental Equipment and Materials:
PDMS substrate (εr = 2.9, tan δ = 0.0019), copper conductive fabric (σ = 5.8 × 107 S/m), silhouette cameo machine, Dino-Lite Digital Microscope, vector network analyzer, anechoic chamber.
4：9, tan δ = 0019), copper conductive fabric (σ = 8 × 107 S/m), silhouette cameo machine, Dino-Lite Digital Microscope, vector network analyzer, anechoic chamber.
Experimental Procedures and Operational Workflow:
4. Experimental Procedures and Operational Workflow: The antenna was fabricated, measured at normal and bend states, and its performance was analyzed in terms of reflection coefficient and gain.
5：Data Analysis Methods:
The performance of the antenna was analyzed using simulation and measurement results, focusing on reflection coefficient, gain, and radiation pattern.
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