研究目的
To propose a compact, mechanically rugged, DC grounded Null-?lled horizontally polarized antenna with low gain ripple in the omnidirectional pattern for UAV Ground Command Station.
研究成果
The proposed antenna achieves a bandwidth of 8.1% with cross-polarization levels below -15 dB and gain variations less than ±1 dB in the horizontal plane, making it suitable for UAV Ground Command Station applications.
研究不足
The antenna's performance is based on simulation results; practical implementation may face challenges not accounted for in simulations.
1：Experimental Design and Method Selection:
The antenna design is based on coaxial cylinder structures with slots and a matching unit. The horizontal polarization is achieved through four vertical slots.
2：Sample Selection and Data Sources:
Simulation results are obtained using CST Microwave Studio software.
3：List of Experimental Equipment and Materials:
Coaxial cylinders, slots, SMA adaptor with a characteristic impedance of 50 ohm.
4：Experimental Procedures and Operational Workflow:
The antenna is simulated and optimized using CST Microwave Studio.
5：Data Analysis Methods:
The performance is evaluated based on bandwidth, gain variation, and cross-polarization levels.
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