研究目的
To design and simulate an aperture coupled microstrip antenna with improved bandwidth and gain for X-band applications.
研究成果
The designed aperture coupled microstrip antenna achieves a broad bandwidth of 18.53% with an optimum gain of 7.7 dB and directivity of 8.6 dBi, demonstrating significant improvement over traditional microstrip antennas.
研究不足
The main limitation is the trade-off between bandwidth and gain, where increasing bandwidth can lead to reduced gain due to increased spurious feed radiation and surface wave power.
1：Experimental Design and Method Selection:
The design involves an aperture coupled microstrip antenna with two substrates and a common ground plane, simulated using CST Microwave Studio.
2：Sample Selection and Data Sources:
The antenna is designed to operate in the X-band frequency range.
3：List of Experimental Equipment and Materials:
Rogers RT5880 and FR4 substrates, copper metal patch, and a feed line for electromagnetic coupling.
4：Experimental Procedures and Operational Workflow:
The antenna's dimensions and materials are selected based on theoretical calculations and simulations to achieve desired performance metrics.
5：Data Analysis Methods:
Performance metrics such as gain, bandwidth, beamwidth, and side lobe level are analyzed from simulation results.
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