摘要
高频地波雷达检测背景中存在着复杂的杂波起伏和干扰,主要有海杂波,电离层干扰、射频干扰、以及旁瓣杂波等,其中后向散射的强海杂波干扰严重影响了回波目标检测。文章探讨了海上目标检测中的海杂波机理;并对海杂波散射系数进行了仿真;重点研究了基于奇异值分解的海杂波抑制方法性能,并验证了其良好的杂波抑制,有效改善地波雷达海上目标检测。
There was complex clutter fluctuation and interference in the background of the high-frequency surface wave radar detection, include the main sea clutter ionospheric interference, radio frequency interference, and side lobe clutter. The strong backward scattering sea clutter interference seriously affected the target echo detection. Firstly, this paper discussed the mechanism of sea clutter sea targets detec- tion and the scattering coefficient of sea clutter simulation. Secondly, the focus of research based on the singular value decomposition of sea clutter suppression method performance and validated its clutter suppression effectively which improved the radar target detection at sea.
出处
《舰船电子工程》
2013年第1期86-87,93,共3页
Ship Electronic Engineering
关键词
地波雷达
海杂波
杂波抑制
SVD算法.
high-frequency surface wave radar, sea clutter, clutter suppression, singular value decomposition
