为了减小飞行器舱体对天线遮挡效应,获得最优的方向图特性,从而实现飞行器与地面有效通信,文中设计了一种凸出飞行器舱体外安装的小型“倒F”热天线,该天线设计特点为体积小、重量轻、外形新颖、安装简单可靠。通过热环境仿真计算、电弧加热风洞试验验证,结果表明仿真计算结果与电弧加热风洞试验结果相近,并完成了正式状态的方向图测试,方向图性能满足使用要求,最终通过飞行器飞行试验考核,证明其气动性能、热环境适应性以及方向图优异。

In order to reduce the shielding effect of the aircraft cabin on the antenna and obtain the optimal directional pattern characteristics, so as to realize effective communication between the aircraft and the ground, This paper describes a prominent aircraft installed outside the cabin's compact “Inverted F” thermal power antenna design, The antenna design is characterized by small size, light weight, novel appearance, easy to install and reliable, Through the thermal environment simulation calculation and arc heating wind tunnel test verification, the results show that the simulation results are similar to the arc heating wind tunnel test results.And completed the formal state of the direction diagram test, the direction diagram performance meets the use requirements, Finally, through the flight test of the aircraft, it is proved that its aerodynamic performance, thermal environment adaptability and direction diagram are excellent.