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- W2512407358 abstract "This paper describes the definition of the weak signal that is frequently encountered in the field of underwater acoustics. It describes the basic methods of hydro-acoustic weak signal detection techniques and improved methods, such as narrow band filtering, the method of correlation detection, sampling integration, for an improved phase-lock amplifier. We give a detailed explanation of the beamforming theory of sonar, and the weak signal detection theory of stochastic resonance, frequency-domain harmonic wavelet extraction and chaotic oscillator weak signal detecting. Finally, we give a brief description of how we compared all the typical methods. This paper aims to enable readers to understand the past and present hydro-acoustic weak signal processing methods of the field, and contribute to the development of underwater acoustic signal processing." @default.
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- W2512407358 date "2016-01-01" @default.
- W2512407358 modified "2023-09-23" @default.
- W2512407358 title "Research and analysis of hydro-acoustic weak signal detection technology" @default.
- W2512407358 doi "https://doi.org/10.1109/coa.2016.7535684" @default.
- W2512407358 hasPublicationYear "2016" @default.
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