Radar altimeters are used in aircraft to indicate height above the ground of sea.
雷达高度表用以指示飞机相对于地面或海平面的高度。
2
This paper presents a system simulation method of pulse Doppler radar altimeters with frequency agility.
本文提出了雷达高度计的一种系统模拟方法。
3
Radio altimeters measure the distance of an aircraft above the ground rather than above sea level, they are used in automatic navigation and Blind-landing systems.