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Widely linear complex valued adaptive graph filtering algorithm

delete2025-07-01
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PRE
AI
Q
Qianqian Liu *
Y
Yigang He
DOI:10.1016/j.dsp.2025.105144delete
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摘要

摘要

En 中文
随着图信号处理在社交网络、传感器网络等领域的广泛应用,开发能够处理多维或复杂信号的图滤波算法已成为关键研究重点。在集中式图结构背景下,本文提出了一种广泛线性复数自适应图滤波算法(WL-CAGF)。该算法创新性地将图滤波扩展至复数域(CAGF),并基于广泛线性模型,通过同时考虑输入信号及其共轭来捕捉信号的非圆特性。这实现了对非圆信号更有效的处理,并增强了算法对复杂动态图信号的适应性。仿真结果表明,所提出的WL-CAGF算法在处理传感器网络图的输入信号方面比传统CAGF算法更高效,尤其在处理非圆信号时表现优异,显著提升了信号去噪和特征提取的效果。
Keyword:
Graph signal processing
Graph filter
Adaptive filter
Widely linear

期刊

Signal Processing 封面图
Signal Processing
IF:
3.6
论文数:
10.0K
被引数:
1.7W

机构

J
Jiangsu Univ Technol
学者数:
269
论文数: 119
被引数: 35
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