基于MATLAB／Simulink的GPS仿真器设计  

Design of GPS Emulator Based on MATLAB/Simulink

作　　者：张平[1] 时和平[1] 

机构地区：[1]西安通信学院,西安710106

出　　处：《弹箭与制导学报》2006年第SA期1216-1218,1222,共4页Journal of Projectiles,Rockets,Missiles and Guidance

摘　　要：介绍了GPS的仿真原理,并设计了基于MATLAB/Simulink仿真工具的GPS模拟仿真器,它可以实现由无人机的飞行轨迹信息,得到GPS与之对应的定位信息。同时对仿真器涉及的GPS卫星位置计算、选星等问题作了详细的阐述。为研究GPS与其它导航系统的组合导航提供了模拟的GPS数据。Principle of GPS emulator is introduced detailedly. To realize emulate experimentation of GPS navigation, GPS emulator is developed. It can be used to get corresponding information of GPS when combine with flight path information of UAV. At the same time. GPS position computation and satellites selection are expatiated in detail. It also provided simulated GPS data for research of combination navigation system that involves GPS.

关 键 词：全球卫星定位系统 仿真器 精度衰减因子 卫星历书 

分 类 号：V474.25[航空宇航科学与技术—飞行器设计]