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- W2151785183 abstract "Automatic classification of active sonar signals using the Wigner-Ville transform (WVT), the wavelet transform (WT) and the scalogram is addressed. Features are extracted by integrating over regions in the time-frequency (TF) distribution, and are classified by a decision tree. Experimental results show classification and detection rates of up to 92% at -4 dB of SNR. The WT outperforms the WVT and the scalogram, particularly at high noise levels. This can be partially attributed to the absence of cross terms in the WT. >" @default.
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- W2151785183 date "2003-01-02" @default.
- W2151785183 modified "2023-09-28" @default.
- W2151785183 title "Automatic classification of active sonar data using time-frequency transforms" @default.
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- W2151785183 doi "https://doi.org/10.1109/tftsa.1992.274242" @default.
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