Abstract
Statistical characteristics of sound pulses and some typical marine noises in a shallow sea were analysed. With special requirements for underwater telemetric and telecontrolled devices in mind, a specific signal processing scheme (digital correlation accumulation) is put forward. Theoretical analyses on some underwater acoustic instruments showed this signal processing scheme is applicable to a shallow acoustic channel with variable spatiotemporal characteristics, multipath pulses and high noise level, and may be of general significance for underwater acoustic telemetry and telecontrol.
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References
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Endian, H., Tianzeng, X. & Ximing, H. Characteristics of sound pulse transmission in shallow sea and correlation detection. Chin. J. Ocean. Limnol. 8, 26–36 (1990). https://doi.org/10.1007/BF02846449
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DOI: https://doi.org/10.1007/BF02846449