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简介:RAFF-AMACNet:适应式多速率心腔卷积网络,具有剩余注意特征融合,用于卫星信号识别
Leyan Chen1, Bo Zang1, Yi Zhang1
1School of Electronic Engineering, Xidian University, Xi'an 710071, China.
Sensors (Basel, Switzerland)
|December 31, 2025
概括
本研究引入了一种用于卫星通信中自动调制识别 (AMR) 的新型网络. 在复杂的环境中,RAFF-AMACNet实现了高精度,改善了频谱管理.
科学领域:
- 电气工程 电气工程
- 计算机科学 计算机科学
- 信号处理 信号处理
背景情况:
- 自动调制识别 (AMR) 对卫星通信网络和频谱管理至关重要.
- 现有的AMR模型在复杂的卫星环境中面临挑战,其中存在显著的多普勒效应和非线性影响.
研究的目的:
- 提出一种先进的AMR模型,能够处理复杂的卫星通信场景.
- 增强特征提取和融合,以提高调制识别精度.
主要方法:
- 开发了一个具有剩余注意力特征融合 (RAFF-AMACNet) 的自适应性多速率心膜卷积网络.
- 使用自适应式多速率心膜卷积 (AMAC) 模块进行多尺度特征提取.
- 采用了一个金字塔骨干,堆叠了剩余注意力特征融合 (RAFF) 模块和双重注意力机制.
主要成果:
- 该RAFF-AMACNet显示强大的功能地图生成和增强时间序列的上下文意识.
- 双重注意力机制有效地减轻了特征地图的转移,并在不利条件下增加了阶级分离.
- 在RML24数据集上实现了92.99%的调制识别准确度,信号与噪声比为0dB.
结论:
- 拟议的RAFF-AMACNet在具有挑战性的卫星通信环境中显著提高了AMR性能.
- 该模型为卫星信号识别和频谱管理提供了强大的解决方案.
- RML24数据集为评估认知无线电系统中的AMR技术提供了宝贵的资源.
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