A Certain Type Of Air-to-air Missile Precision Digital Simulation Study

Guidance accuracy analysis is a very important method to appraise the missile's guidance system, which will run through the studying program of the missile-weapon system. Especially, it is more important in the beginning of a project. The traditional method of accuracy analysis is mostly based on the data of flight test. However, it is limited by the economy, the developing time, and etc. So the need of modern hi-tech weapon is not met well by this method. Over the past decades, computer modeling and simulation technology have made a great advantage on different theories and methods, and been widely applied to the missile-weapon system design and manufacture. By the development of the simulation, the computer simulation and the accuracy analysis have become integrated.Because of this, computer simulation technology is applied to the guidance accuracy analysis in this thesis. The content includes: (1)Developing the mathematical simulation flat of the guidance systemBased on certain radar air-to-air missile, we have completed system modeling and simulating modeling of its guidance system, in other words, modeling the mathematical model of the system except flight control arithmetic, which is called outer mathematical simulating model, and developed the program of the model in this thesis. (2)Modeling guidance errorsThere are many errors which affect on the air-to-air missile's guidance system. In this thesis, selecting some primary noises, we have analyzed their mechanism, and constructed the model of them. (3)Getting the results by the Monte Carlo methodAccording to their mechanism, we have added all the errors (or partly) to the simulating model of guidance system, and gotten the results by the Monte Carlo method.