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Issue:
Space Target Recognition Based on Central Moment Feature
Author(s):
WEN Fu-xi
,
LIU Hong-wei
Pages:
8
-
12
Year:
2007
Issue:
1
Journal:
RADAR SCIENCE AND TECHNOLOGY
Keyword:
空间目标识别
;
目标的RCS
;
中心矩特征
;
Fisher判据
;
支撑向量机
;
Abstract:
目标的雷达散射截面(RCS)包含了丰富的目标类别信息,有效地利用目标RCS特征对空间目标的雷达识别具有重要的意义.该文利用空间目标回波的距离维信号来进行识别.中心矩特征具有平移不变性,是一种简单有效的波形特征提取算法.文中首先提取中心矩作为特征向量,再采用Fisher判据进一步进行特征压缩,最后利用支撑矢量机(SVM)分类算法实现识别.基于实测数据的仿真实验结果表明,该方法具有较好的识别性能和推广能力.
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