Wald tests for direction detection in noise and interference

被引：10

作者：

Li, Wenjuan ^{[1
]}

Tong, Haibo ^{[2
]}

Li, Kai ^{[3
]}

Yang, Yang ^{[4
]}

Liu, Weijian ^{[5
]}

机构：

[1] Changsha Normal Univ, Changsha 410100, Hunan, Peoples R China

[2] Air Force Engn Univ, Sch Informat & Nav, Xian 710077, Shaanxi, Peoples R China

[3] Wuhan Univ, Sch Elect Informat, Wuhan 430072, Hubei, Peoples R China

[4] Mil Representat Off Stationed 720 Factory, Nanjing 210038, Jiangsu, Peoples R China

[5] Wuhan Elect Informat Inst, Wuhan 430019, Hubei, Peoples R China

来源：

MULTIDIMENSIONAL SYSTEMS AND SIGNAL PROCESSING | 2018年 / 29卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Adaptive detection; Constant false alarm rate; Multichannel signal detection; Wald test; ADAPTIVE RADAR DETECTION; PARTIALLY HOMOGENEOUS ENVIRONMENT; PLUS STRUCTURED INTERFERENCE; DISTRIBUTED TARGETS; RAO TEST; SUBSPACE INTERFERENCE; UNIFYING FRAMEWORK; GAUSSIAN CLUTTER; SIGNAL-DETECTION; PART I;

D O I：

10.1007/s11045-017-0517-5

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

In this paper, we consider the problem of detecting a distributed target in unknown disturbance. The signals reflected by the target are assumed to come from the same direction. However, the exact direction is unknown and yet the signal steering vector lies in a known subspace. The disturbance consists of colored noise and deterministic interference. The interference belongs to a known subspace, linearly independent on the signal subspace. We derive the one-step Wald test and two-step Wald test. Numerical examples show that the proposed detectors can achieve better detection performance than the existing detectors.

引用

页码：1563 / 1577

页数：15

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