求翻译：目前，无人机处于突飞猛进的发展阶段，在军事、民用领域都取得巨大成果，在科研方面，也成为重点研究的对象。其中，通信链路系统是无人机系统最核心的构成部件，主要在地面站和无人机之间实现通信功能。无人机地空链路属于微波通信过程，易受外界干扰的影响，而基于跳频体制的数据链通信系统具有极高的抗干扰性，且可靠性、隐蔽性强，因此开展基于跳频体制的无人机地空链路及抗干扰性能的研究具有极大的理论意义和现实意义。是什么意思？

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At present, no-one is advancing by leaps and stages of development, and in the military, civilian areas have made great achievements in scientific research in order to focus on the research have also become the object. Where a communication link system is no phone system at the heart of the constitu

At present, the unmanned aerial vehicle is at the development phase which progresses by leaps and bounds, in the military, the civil domain all yields the huge result, in scientific research aspect, also becomes the key research the object.Among them, the correspondence link system is the unmanned a

At present, the drone is in stage of development by leaps and bounds, have made great achievements in military and civil areas, in scientific research, has also become a key object. Among them, the communication link is the core of UAV systems constituted a part of the system, mainly in communicatio

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