机载雷达平台运动补偿技术

Platform Motion Compensation Techniques for airborne Radar

机载雷达，由于平台运动造成地杂波谱产生多普勒频移和展宽。在讨论机载雷达地杂波频谱特性基础上，分析比较了ＡＭＴＩ系统和ＡＤＰＣＡ系统的性能，这些系统均具有良好的地杂波抑制能力。计算机模拟结果表明双路ＡＤＰＣＡ系统具有极好的地杂波抑制能力，是一种优异的平台运动补偿技术。

In airborne radar, the platform motion makes the groind clutter to appear a Doppler shift in frequency and a spread of spectum.Based on discussing the characters of spectrum of the ground clutter forairborne radar ,this paper analyses and compares the performances of an AMTI(Adaptive Moving TargetIndication) system and an ADPCA(Adaptive Displaced Phased Center Antenna)system. These systemshave excellent performances on clutter suppression. The results of simulation on computer show that thedouble channal ADPCA system have more excellent performances of clutter rejection. So it is a very goodplatform motion compensation technique for airborne radar.