Range-Spread Target CFAR Detection Under SIRV Clutter

JIAN Tao; HE You; SU Feng; QU Chang-wen; PING Dian-fa

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Range-Spread Target CFAR Detection Under SIRV Clutter

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- Range-Spread Target CFAR Detection Under SIRV Clutter
- Acta Electronica Sinica Vol. 38, Issue 12, Pages: 2740-2744(2010)
- 作者机构：
  
  海军航空工程学院信息融合技术研究所,山东,烟台,264001
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN957.51
- Published：2010
- 稿件说明：
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JIAN Tao, HE You, SU Feng, et al. Range-Spread Target CFAR Detection Under SIRV Clutter[J]. Acta Electronica Sinica, 2010, 38(12): 2740-2744.
DOI：

JIAN Tao, HE You, SU Feng, et al. Range-Spread Target CFAR Detection Under SIRV Clutter[J]. Acta Electronica Sinica, 2010, 38(12): 2740-2744. DOI：

摘要

在球不变随机向量(SIRV

Spherically Invariant Random Vector)的非高斯杂波背景下

提出了一种新的距离扩展目标检测器.给出了检测参数的简易确定方法

推导了虚警概率与检测阈值的解析表达式

证明了所提检测器的恒虚警率特性.仿真实验表明

在参数设置合理情况下

所提出的检测器性能远好于已有的两种距离扩展目标检测器.另外

随着阵元数、目标散射点个数及杂波尖峰的增加

检测器的性能得到提高;且该检测器对第三门限的选取和不同的杂波相关性均具有很好的鲁棒性.

Abstract

In additive non-Gaussian clutter modeled as a spherically invariant random vector (SIRV)

a novel detector is designed for range-spread target.Moreover

the parameters for this detector are derived simply.The formulas relating the false alarm probability to the detection thresholds are also deduced

which show the constant false alarm rate (CFAR) properties.The experimental results show that

with proper parameters

the proposed detector performs much better than two existing range-spread target detectors.It is shown that as the number of sensors

the number of target scatterers or the clutter spikiness increases

its performance improves.In addition

the dirived detector is robust to the third thresholds and correlations of clutter.

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