Automatic real-time frame synchronization method of frequency-modulated hydro-acoustic communication system
A technology of underwater acoustic communication and real-time frame, applied in the direction of transmission system, electrical components, etc., can solve the problems of not reflecting the time domain information of the signal, reducing the probability of correct detection of the synchronization signal, and poor anti-interference performance.
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[0045] The following embodiments will further illustrate the present invention in conjunction with the accompanying drawings.
[0046] In the embodiment of the present invention, the frame synchronization header adopts the coarse synchronization signal f c (t) and fine synchronization signal s(t), they can be expressed as:
[0047] f ( t ) = f c ( t ) = a 1 sin ( 2 π f 1 t ) t ...
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