Concurrent provides the host computers that run the aircraft simulation models and the graphics engines, where the Sapphire image generation software and geographical database are executed.
The research of simulation platform of satellite in orbit involves some field including dynamics of satellite orbit, computer simulation and geographical information technology.
在轨卫星运行仿真平台的研究涉及了卫星轨道力学，计算机仿真和地理信息技术等多学科领域。
3
This paper introduces the navigation principle of the SINS firstly, the navigation algorithm on geographical coordinates is deduced, and then the simulation program is developed.