the invention in a radar system by generating a target position information on the error to consider whether the identity of the target provides methods, computer-readable media, sick board and the radar to reduce the likelihood of selecting a different target in the process to determine whether the target track that was compared to the conventional method to determine by. ; tracking target determining method using a vessel radar according to the invention, a first step for measuring a target position through the bearing of the radar signal and the received signal in real time and detect the distance and direction to the target from the radar antenna ; A second step of predicting a target speed and course of movement to track the target by using the target position information; A third step of installing a gate to a position that is expected to be a target point in the predicted next detection time; A fourth step of obtaining a straight line perpendicular to the straight line distance from the central axis connecting the gate radar antenna; First selecting the next detection (scan) in a straight line perpendicular to the axis and the gate to a distance to the target are brought into the gate on time calculating the distance between the newly detected target and the calculated target having a minimum distance among the distances step 5; The signs of the coordinate having a selected minimum distance to a sixth step which is passed back to the target position information of the second step and includes the step of repeating the process of the sixth step in the second step.
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