飞行器天线,就是飞行器上用来辐射和接收无线电波的装置。其原理就是发射天线将振荡器(发射机)送来的交流电磁能变为向一定空间传播的电磁波(无线电波)能量。接收天线从周围空间获取电磁波能量,并将它传送给接收设备。一般地说,天线尺寸对波长的比值越大,获得的能量也越大。天线具有互易性,作发射或接收时参数不变。对天线参数的要求决定于无线电电子设备的用途。
本文对飞行器天线罩的雨蚀问题、试验测试方法及其防护措施的研究现状进行了综述。
This paper reviews the rain erosion problem on the surface of the radomes, as well as the rain erosion testing methods and the protection methods.
飞行器离雷达天线越远,天线电波的波长越宽如此以来使测量出的位置信息误差越大。
The beam of the antenna gets wider as the aircraft get farther from the antenna, thus making the measured position information less accurate.
本文介绍一种用于飞行器上的毫米波宽波束天线的原理、设计方法和实验结果。
In this paper, principle, design and test result of MMW wide beam antenna on flight vehicle is introduced.
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