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电子学报  2015 

声矢量阵自适应波束域广义似然比检测算法

DOI: 10.3969/j.issn.0372-2112.2015.01.021, PP. 135-139

Keywords: 水声信号处理,信号检测,干扰抑制,声矢量阵,波束域变换,恒虚警率

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Abstract:

为了解决水下强干扰背景下的远程弱目标被动探测问题,基于声矢量阵,本文提出了一种自适应波束域的检测算法.该算法首先对阵列接收数据进行波束域变换,令通带覆盖整个观测扇面,并自适应地抑制扇面外的强干扰信号;然后在波束域进行广义似然比检测.仿真结果表明,该算法能在强干扰背景下实现对远程弱目标的检测,并且具有恒虚警率特性.

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