Real-time prediction method of ship trajectory
A technology for ship trajectory and real-time prediction, applied in prediction, data processing application, calculation, etc., can solve the problem of not having the automatic conflict resolution function of ships
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[0045] See figure 1 , the ship track real-time prediction method of the present embodiment comprises the following steps:
[0046] ①Obtain the real-time and historical position information of the ship through the sea surface radar, and the position information of each ship is a discrete two-dimensional position sequence x′=[x 1 ', x 2 ',...,x n '] and y' = [y 1 ',y 2 ',...,y n ′], by applying wavelet transform theory to the original discrete two-dimensional position sequence x′=[x 1 ', x 2 ',...,x n '] and y' = [y 1 ',y 2 ',...,y n ′] for preliminary processing, so as to obtain the ship’s denoised discrete two-dimensional position sequence x=[x 1 , x 2 ,...,x n ] and y = [y 1 ,y 2 ,...,y n ]:y=[y 1 ,y 2 ,...,y n ]: For a given original two-dimensional sequence data x′=[x 1 ', x 2 ',...,x n ′], which are approximated by linear expressions of the following form:
[0047] in:
[0048] f'(x') represents the function expression obtained after smoothing t...
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