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浏览/检索结果: 共2条，第1-2条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 A Fusion Frequency Feature Extraction Method for Underwater Acoustic Signal Based on Variational Mode Decomposition, Duffing Chaotic Oscillator and a Kind of Permutation Entropy 期刊论文 2019, 卷号: 8 作者:  Li, Yuxing;  Chen, Xiao;  Yu, Jing;  Yang, Xiaohui 收藏  |  浏览/下载：19/0  |  提交时间：2019/12/20 variational mode decomposition (VMD)  duffing chaotic oscillator (DCO)  permutation entropy (PE)  feature extraction  frequency characteristic  underwater acoustic signal  ship-radiated noise   A Novel Linear Spectrum Frequency Feature Extraction Technique for Warship Radio Noise Based on Complete Ensemble Empirical Mode Decomposition with Adaptive Noise, Duffing Chaotic Oscillator, and Weighted-Permutation Entropy 期刊论文 2019, 卷号: 21 作者:  Li, Yuxing;  Wang, Long;  Li, Xueping;  Yang, Xiaohui 收藏  |  浏览/下载：18/0  |  提交时间：2019/12/20 underwater acoustic signal  linear spectrum  frequency feature extraction  empirical mode decomposition (EMD)  complete EEMD with adaptive noise (CEEMDAN)  duffing chaotic oscillator (DCO)  weighted-permutation entropy (W-PE)  warship radio noise