| The requirement of modern airplane or missile for navigation system, for example: accuracy, reliability and applicability, has became much higher, single navigation system can hardly meet this. So integrated navigation system has became the major issue of research and simulation. Use system simulation technology develop a Satellite/INS Integrated Navigation Simulation Platform, which is similar to the real system in time and space, has important meaning to promote the Integrated Navigation system's development, reduce the cost and improve the system level. The primary work of this thesis includes:1. Based on the characteristics of Satellite/INS integrated navigation system, we designed an expandable Satellite/INS integrated navigation simulation platform, modularized with object-oriented technology.2. Discussed navigation message's content and structure, provided platform's navigation message format, which can reduce the traffic. Analyzed the dynamic model of satellite, presented a simplified numerical way to calculate the orbital parameters, and then simulated the navigation message in this platform.3. Study the receiver device simulation model. Analyzed the position principle and working way of Satellite Navigation System, presented Pseudo-range simulation model. Further, we simulated receiver's model for positioning and velocity.4. Study algorithms about Satellite/INS Integrated Navigation system, modeling the inertial navigation system, developed the application environment.The result shows that the platform strcucture and simulation model is validity. |
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