首页> 外文会议>Saint Petersburg International Conference on Integrated Navigation Systems; 20050523-25; Saint Petersburg(RU) >DETERMINATION OF MOTION PARAMETERS OF SPACE STATION BY USE OF GPS MEASUREMENTS
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DETERMINATION OF MOTION PARAMETERS OF SPACE STATION BY USE OF GPS MEASUREMENTS

机译:使用GPS测量确定空间站的运动参数

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We estimate the accuracy of determining the weakly disturbed orbital motion of International Space Station by use of GPS-measurements as well as the accuracy of forecasting such a motion. The measurements are the station coordinates in Greenwich coordinate system. They are received from on board equipment ASN-2401. The mean square errors of approximation of the measurements do not exceed 30 m when the motion is determined in a time interval less than a day. Processing the GPS-measurements in three-hour interval allows making the forecast of the motion on 15 hours forward with an error in the station radius vector not exceeding 400 m at a right choice of ballistic coefficient. Systematic errors in measurements of the station velocity, carried out by equipment ASN-2401, are revealed.
机译:我们估计通过使用GPS测量来确定国际空间站的微扰轨道运动的准确性以及预测这种运动的准确性。测量值是格林威治坐标系中的测站坐标。它们是从船上设备ASN-2401接收的。在少于一天的时间间隔内确定运动时,近似测量值的均方误差不超过30 m。在三个小时的间隔内处理GPS测量值,就可以在向前15小时进行运动预测,并且在正确选择弹道系数的情况下,站半径矢量的误差不超过400 m。揭示了由设备ASN-2401执行的测站速度测量中的系统误差。

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