北斗导航信号源发展现状分析

北斗导航信号源是检测北斗用户机性能的重要测试设备,它通过仿真卫星星座、卫星星钟、电离层等环境效应、用户轨迹等来模拟再现北斗导航卫星信号。分析了国内外导航信号源的发展现状以及信号源的功能特点,指出未来导航信号源的发展趋势。

The Analysis of BD Navigation Simulators Actul Development

BD navigation simulator is the most important testing instrumnet to verify the performance of BD receivers . The simulator emulates and replays the BD navigation signal by emulating the user＇s trajectory and the environmental effects of navigation constellation,sat ellite clock and ionosphere. The development actuality of national and international naviga tion simulators and the function features of the simulators are analyzed, and the development trend of navigation simulator is presented.