Radar altimeters have emerged as essential components in unmanned aerial vehicle (UAV) systems, providing precise altitude measurements for safe and reliable operation. This article presents a in-depth analysis of radar altimeter performance characteristics relevant to UAV applications. We evaluate factors such as range, resolution, and sensitivity

Precise altitude estimation is crucial/essential/critical for unmanned aerial vehicle (UAV) operations/missions/flights. Radar altimeters provide a reliable/robust/accurate means to determine altitude, particularly in challenging environments where other sensing modalities may be limited/compromised/unreliable. This article presents an in-depth/com