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A Novel Approach to Detect Ship-Radiated Signal Based on HMT

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3 Author(s)
Yue Zhou ; Dept. of Autom., Shanghai Jiaotong Univ., Shanghai, China ; Zhibin Niu ; Chenghao Wang

In the presence of non-gaussian noise, we propose a method for the detection of underwater ship-radiated signal. The wavelet decomposition of the underwater signal yields a natural tree structure, which is further modeled by the Hidden Markov Tree (HMT). Therefore, the signal is represented as the parameter of the correspondent HMT. We analysis the likelihood defined on the parameters and form the new detection criteria. Experimental results demonstrate a reliable and robust solution of our method.

Published in:

Pattern Recognition (ICPR), 2010 20th International Conference on

Date of Conference:

23-26 Aug. 2010