In order to explore the impact of inertial force on missile impact point, the law of the missile impact point error with missile range, aiming azimuth and launch point latitude under the influence of inertial force is analyzed. In this paper, based on the basic principles of missile ballistics and theoretical mechanics, the trajectory and the distribution of impact point under the influence of inertial force are simulated and analyzed. The results show that the impact point error affected by inertial force is positive correlation to the range of missile when the aiming azimuth is fixed. In the case of a certain range, with the change of the aiming azimuth, the impact point error will also change according to a certain rule. When the range and aiming azimuth are fixed, the impact point error decreases with the increase of latitude.
With the continuous development of American midcourse interception technology, it is particularly important to promote the midcourse penetration capability construction of ballistic missiles. The use of maneuver penetration technology in the midcourse of ballistic missiles can effectively deal with the midcourse interception of foreign missiles. In order to promote the development of midcourse maneuver penetration technology, this paper takes the Divert and Attitude Control System (DACS) of maneuver penetration warhead as the starting point, refers to the development of DACS of Kinetic Kill Vehicle in the United States, and summarizes the research status of gas valve, the key structure of DACS. On this basis, combined with the structural characteristics of maneuver penetration warhead, the key technologies related to the construction of DACS of penetration warhead are summarized, which lays a foundation for the development of DACS of penetration warhead in the future.
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