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  5. Phase error estimation of a hydro-acoustic signal with swept carrier in conditions of multipath propagation

Phase error estimation of a hydro-acoustic signal with swept carrier in conditions of multipath propagation

K.G. Kebkal, V.V. Kulagin
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There are considered the results of numerical modelling of a signal with swept carrier in the receiver predetection point in conditions of multipath propagation. The possibility of Doppler coefficient estimation is proven on the base of comparison of signal measured and expected values. There is demonstrated the influence reduction of delayed (non-synchronous) multipath with increase of excess delay on the phase error estimation.
Keywords: underwater telemetry, digital communication, hydro-acoustic communication