Abstract:When submarines search for positions, it is often difficult to grasp the movement elements of the target, and it is difficult to select the correct maneuvering style for positional search. In order to select the best search maneuvering pattern underground in the fixed formation, by comparing the round-trip patrol search, bow-character search, zigzag search and so on, the general direction of the target is known, the direction to the key area is known, and the target direction is generally unknown. Through the simulation calculation, the effectiveness of the submarine search pattern under different conditions is obtained, so as to provide a reference for the selection of the maneuver pattern of the submarine to search for the target in the fixed position.