研究目的
Investigating the effect of varying ground patch size on the multiband characteristics of a circular loop patch antenna (CLPA) using FR-4 substrate for frequencies ranging from 1 to 30 GHz.
研究成果
The study demonstrates that varying the ground patch size affects the multiband characteristics of the CLPA, with acceptable reflection coefficients below 10 dB line for commercial applications. The FR-4 substrate is found to be suitable for applications below 20 GHz.
研究不足
The study is limited to simulation results using HFSS tool and does not include physical prototype testing. The analysis is focused on the reflection coefficients and does not cover other antenna parameters such as radiation pattern or gain.
1：Experimental Design and Method Selection:
The study involves simulating a circular loop patch antenna (CLPA) using HFSS tool to analyze the effect of varying ground patch size on its multiband characteristics.
2：Sample Selection and Data Sources:
The antenna is designed on FR-4 substrate with dimensions of 60 × 60 ×
3：6 mmList of Experimental Equipment and Materials:
HFSS simulation tool, FR-4 substrate, microstrip feed line, and SMA connector.
4：Experimental Procedures and Operational Workflow:
The CLPA is simulated with varying ground sizes from 60 × 60 mm2 to 35 × 35 mm2, and the reflection coefficients are analyzed.
5：Data Analysis Methods:
The reflection coefficients (S11) are analyzed to determine the multiband characteristics of the antenna.
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