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Applied Acoustics
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#1Huimin Liu (China University of Petroleum)
#2Zhenjie Wang (China University of Petroleum)H-Index: 7
Last.Shuang Zhao (China University of Petroleum)H-Index: 1
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Abstract Underwater Towed Vehicle navigation and localization in deep sea environments are particularly challenging without high-precision inertial sensors. In this paper, the multi-sensors navigation fusion method of a towed underwater vehicle based on the ultrashort baseline (USBL) system, Doppler velocity log (DVL) and a pressure gauge in the deep sea is investigated. Combined with GPS real-time tide detection technology, the positioning principle of the USBL based on the depth constraint is ...
#1Xiaoquan Ke (Ha Tai: Xiamen University)
#2Yuan Fei (Ha Tai: Xiamen University)H-Index: 4
Last.En Cheng (Ha Tai: Xiamen University)H-Index: 4
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Abstract Feature fusion methods are introduced to ship-radiated noise recognition in this paper. Wavelet packet (WP) decomposition is used to decompose the ship-radiated noise into multiple different subbands. By considering the features extracted from the different subbands reflecting different characteristics of the ship-radiated noise, a two-dimensional feature fusion (2DFF) scheme is proposed to fuse the features extracted from the different subbands. Principal component analysis (PCA) and c...
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