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Abstract:
针对短波通信中通信频率选择不恰当导致信号衰落严重、传输不可靠等问题,提出一种基于思维进化的小波神经网络(mind evolutionary algorithm-wavelet neural network,MEA-WNN)和混沌理论相结合的短波通信频率预测方法.采用具有良好的非线性拟合特性的小波神经网络作为预测模型,利用混沌理论重构相空间,确定神经网络各层节点个数,并用思维进化算法优化网络的初始权值与网络中小波函数的伸缩因子和平移因子.实验表明,MEAWNN算法能提高短波通信f0 F2的预测精度.
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Source :
北京工业大学学报
Year: 2018
Issue: 02
Volume: 44
Page: 215-219
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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