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An Automatic Modulation Recognition Method Based on the Multimodal Kernel Harmonic Feature Fusion Network
DOI:10.3390/s25206352.png)
摘要
En 中文
在日益复杂的电磁环境中,无线通信系统面临着非高斯脉冲噪声的严峻挑战。脉冲噪声的矩趋于无穷大,降低了信号特征的可区分性,从而限制了信号调制识别率的提升。首先,提出了一种基于核空间映射的时频分析方法,以提高脉冲噪声下信号时频特征的可区分性。在此基础上,构建了一个多模态核谐波特征融合网络,结合卷积神经网络和图卷积网络,从三种模态中提取并融合核谐波特征,以实现鲁棒且准确的调制识别。仿真结果表明,在通用信噪比为−2 dB时,调制识别率达到93.5%。
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引用论文
Low SNR Multi-Emitter Signal Sorting and Recognition Method Based on Low-Order Cyclic Statistics CWD Time-Frequency Images and the YOLOv5 Deep Learning Model
SENSORS
IF3.5
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Modulation recognition method of mixed signals based on cyclic spectrum projection
SCIENTIFIC REPORTS
IF3.9
Zhang, Q.; Ji, H.; Li, L.; Zhu, Z. Automatic modulation recognition of unknown interference signals based on graph model. IEEE Wirel. Commun. Lett. 2024, 13, 2317–2321. [Google Scholar] [CrossRef]张, Q.; 吉, H.; 李, L.; 朱, Z. 基于图模型的未知干扰信号自动调制识别. IEEE Wirel. Commun. Lett. 2024, 13, 2317–2321. [Google Scholar] [CrossRef]
Zuo, X.; Yang, Y.; Yao, R.; Fan, Y.; Li, L. An Automatic Modulation Recognition Algorithm Based on Time–Frequency Features and Deep Learning with Fading Channels. Remote Sens. 2024, 16, 4550. [Google Scholar] [CrossRef]左, X.; 杨, Y.; 姚, R.; 范, Y.; 李, L. 一种基于时频特征和深度学习(适用于衰落信道)的自动调制识别算法. Remote Sens. 2024, 16, 4550. [Google Scholar] [CrossRef]
Cyclic correntropy and its spectrum in frequency estimation in the presence of impulsive noise
SIGNAL PROCESSING
IF3.6

