Based on existent conditions of flight control system and avionic system for an aircraft. The paper presents three schemes of automatic terrain anti-collision according to the radar operating way.

本文立足于某飞机飞行控制系统和航空电子系统的现有条件，依据雷达天线的工作方式，提出了三种自动地形防撞的原理方案。

youdao

Fifth-generation aircraft are invisible to radar, have advanced flight and weapons control systems and can cruise at supersonic speeds, officials say.

BBC: India to buy advanced fighter jets from Russia