基于多普勒相位的水下运动目标声噪声源识别

2013 IEEE International Conference on Signal Processing, Communication and Computing (ICSPCC 2013) Pub Date : 2013-11-14 DOI:10.1109/ICSPCC.2013.6663883

Lingji Xu, Yixin Yang

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引用次数: 0

摘要

根据运动声源与接收机之间的多普勒效应，提出了一种单水听器识别水下运动目标声噪声源的方法。首先，利用积高阶模糊函数(PHAF)估计接收到的多普勒信号的瞬时相位和幅度;然后用非线性加权最小二乘算法估计了噪声源与测量水听器距离最近时的波束矩。最后参考固定在运动物体上的已知声源，得到声源的位置。实验结果表明了该方法的有效性。

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Identification of tone noise sources on underwater moving object based on Doppler phase

According to the Doppler Effect between moving acoustic source and receiver, an approach is proposed for identification of tone noise sources on underwater moving object with single hydrophone. Firstly, the product high-order ambiguity function (PHAF) is used to estimate the instantaneous phase and amplitude of the received Doppler signal. Then the abeam moments when tone noise sources have the closest approach to the measuring hydrophone are estimated by nonlinear weighted least-squares algorithm. Locations of tone noise sources are obtained by referring to a known acoustic source fixed on the moving object at last. The experiment results showed the validity of the proposed method.

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来源期刊

2013 IEEE International Conference on Signal Processing, Communication and Computing (ICSPCC 2013)

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