数字信号调制识别下坐标注意力机制方案研究OA
A Study of Coordinate Attention Mechanism Scheme Under Digital Signal Modulation Recognition
针对低信噪比下神经网络难以提取数字信号空间特征的问题,提出一种基于坐标注意力机制的数字信号识别方案.将8种数字信号进行正交调制,根据其幅度、相位信息序列进行预编码处理,在不同的训练步长下,提取分析数字信号幅度和相位的关键特征,选取合适的神经网络超参数,使网络达到拟合面.坐标注意力机制将数字信号特征进行2个一维特征编码,分别沿纵向和横向捕获幅度和相位的远程依赖关系;将生成的数字信号特征编码为一对方向感知和位置敏感的权重系数,进行数字信号特征的重标定…查看全部>>
To solve the problem that it is difficult for neural network to extract spatial features of digital signals under low signal-to-noise ratio,a digital signal recognition scheme based on coordinate attention mechanism is proposed.Eight kinds of digital signals are orthogonally modulated,pre-encoded according to their amplitude and phase information sequences,and the key features of amplitude and phase of the digital signals are extracted and analyzed under dif…查看全部>>
张兢;兰思源;曹阳;彭小峰
重庆理工大学 电气与电子工程学院,重庆 400054重庆理工大学 电气与电子工程学院,重庆 400054重庆理工大学 电气与电子工程学院,重庆 400054重庆理工大学 电气与电子工程学院,重庆 400054
电子信息工程
数字信号调制识别坐标注意力机制权重系数
digital signalmodulation recognitioncoordinate attention mechanismweight coefficient
《无线电工程》 2024 (6)
1398-1406,9
重庆市教委科学技术项目(KJQN201901125)重庆市基础与前沿研究计划项目(cstc2019jcy-msxmX0233)Science and Technology Program of Chongqing Municipal Education Commission(KJQN201901125)Basic and Frontier Research Pro-gram of Chongqing(cstc2019jcy-msxmX0233)
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