FIELD: the invention refers to the field of underwater acoustics and may be used in underwater acoustic systems of passive detection of hydrobionts and active underwater acoustic means.
SUBSTANCE: according to the proposed mode the detection of signals is made by a method of trajectory tracking along the center of the interesting parameter. At that they process the signal whose frequency-time structure on the plate is formed by one field uninterrupted in time and on frequency, identification of separate fields of frequency-time structure is conducted according to the algorithm proposed in the formulae. At that separate fields are considered belonging to one and the same signal if the intervals between them for each of mentioned parameters are not larger then the given signals.
EFFECT: possibility to process underwater acoustic multi-pulse signal with a priori unknown carrier frequency, duration of impulses, intervals between them and form of modulation in the limits of each impulse.
9 dwg
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