Underwater multi-station combined multi-target tracking method and system
A multi-target tracking and target technology, applied in the field of underwater multi-station joint multi-target tracking method and system, can solve the problems of unstable initial track of new targets, false short track, etc., and achieve good target tracking performance and reduce method effect of complexity
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[0213] The method of the present invention will be further described in detail below in combination with simulation data.
[0214] Parameter setting: Assume that the size of the observation area is 6000×5000m, and the four observation nodes are distributed at the four vertices of the observation area, which are (0,0), (6000,0), (6000,5000), (0, 5000). If the number of observation sampling frames is set to 400, the interval between two observation samples (that is, the frame interval) is 6s. During the observation time period, five moving targets appeared one after another, assuming that they all move in a straight line at a uniform speed. The initial state and existence time of the target are shown in Table 1, and the deployment of observation nodes and the target motion model are shown in Figure 4(a) and Figure 4(b).
[0215] Table 1 Target initial state and existence time period
[0216]
[0217] Obtain azimuth information during the observation process of each observa...
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