当红外预警系统对低空飞行的运动目标进行检测时，由于云杂波的存在，系统的检测性能会受到严重影响。
When infrared warning system detect moving objects in low altitude, detection performance will decrease significantly due to the cloud appeared in the image.
杂波是雷达信号检测和处理的固有环境，严重影响了雷达低空目标探测与跟踪的性能。
Clutter is connatural condition of signal measuring and processing, which affect the radar's detectability and tracking ability of low-altitude target seriously.
因此，有效地抑制这种时间非平稳和空间非平均的杂波干扰是雷达系统有效完成地面目标和低空飞行目标检测必须解决的首要问题。
The key to the settlement of the question of effective detection of ground and low air targets lies in adaptive of effective clutter suppression in airborne Radar.
大量的低空背景景物以及点目标的特点——远距离、低信噪比、强杂波等，增加了目标检测和跟踪的难度。
A lot of low altitude objects and the characteristics of point target make the detection and tracking even harder.
大量的低空背景景物以及点目标的特点——远距离、低信噪比、强杂波等，增加了目标检测和跟踪的难度。
A lot of low altitude objects and the characteristics of point target make the detection and tracking even harder.
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