PSD矩阵歧管上的多传感器信号处理

2016 IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM) Pub Date : 2016-07-10 DOI:10.1109/SAM.2016.7569757

K. M. Wong, Jian-Kang Zhang, Huiying Jiang

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引用次数: 3

摘要

我们建议使用多传感器系统接收信号的功率谱密度(PSD)矩阵作为处理特征。PSD矩阵具有结构约束，在信号空间中形成流形。我们在PSD矩阵流形上引入了两种新的黎曼距离(RD)度量，并开发了基于这些RD来定位PSD矩阵均值和中值的算法。然后将这些概念应用于噪声中窄带声纳信号的检测，结果令人鼓舞。

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Multi-sensor signal processing on a PSD matrix manifold

We propose to use the power spectral density (PSD) matrices of the received signals of a multi-sensor system as the feature of processing. PSD matrices have structural constraints and they form a manifold in signal space. We introduce two new Riemannian distance (RD) measures on the PSD matrix manifold and developed algorithms to locate the means and medians of PSD matrices in terms of these RD. These concepts are then applied to the detection of narrow-band sonar signals in noise and the results are encouraging.

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来源期刊

2016 IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM)

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