Development of Low-Profile Antenna for Mini UAV with Reconnaissance Mission

Microstrip antennas are conformable to planar and nonplanar surfaces, simple and inexpensive to fabricate using modern printed-circuit technology. Circular polarization of low-profile microstrip patch with high bandwidth is achieved in this research through the use of a three-cross-arms branch-line coupler with sequential rotated arrays, another low-profile antenna of hollow cylinder is also proposed and the function of reconnaissance with microstrip antenna on Mini UAV (unmanned aerial vehicle) are evaluated in practical flight test.

Authors:

• Chien-Chun Hung
• Yao-Jen Teng
• Yung-Sheng Tien
• Yu-Tsung Tsai

Keywords:

• low-profile antenna
• Mini UAV
• reconnaissance

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