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首页> 外文会议>Saint Petersburg international conference on integrated navigation systems; 20090525-27; Saint Petersburg(RU) >ERROR ESTIMATION IN THE ANGULAR ORIENTATION DETERMINATION FROM SATELLITE RADIO-NAVIGATION SYSTEMS SIGNALS
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ERROR ESTIMATION IN THE ANGULAR ORIENTATION DETERMINATION FROM SATELLITE RADIO-NAVIGATION SYSTEMS SIGNALS

机译：卫星无线电导航系统信号确定角方向时的误差估计

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摘要

The purpose of this work is the development of error estimation algorithms in angular orientation determination from satellite radio-navigation systems signals. The values of object angular orientation parameters, in particular, azimuth and elevation angle, can be represented as results of the indirect measurements, with which direct measurements are the phase shifts values of the navigation spacecraft signals of global navigation satellite system, taken by spaced interferometer antennas. In this case, for the error estimation in the angular orientation determination the known method of the error estimation in the indirect measurements may be used. One of the results of the conducted investigations is development of the error estimation algorithm for azimuth and elevation angles, based on the known values of the phase measurements errors covariance matrix. The results of calculating the errors in the determination of angular orientation for the assigned constellations of navigation spacecraft with different distances between interferometer antennas are presented.
机译：这项工作的目的是在从卫星无线电导航系统信号中确定角度方向的误差估计算法的发展。物体角度取向参数的值，特别是方位角和仰角，可以表示为间接测量的结果，其中直接测量是间隔干涉仪获取的全球导航卫星系统导航航天器信号的相移值天线。在这种情况下，对于角度取向确定中的误差估计，可以使用间接测量中的误差估计的已知方法。进行研究的结果之一是基于相位测量误差协方差矩阵的已知值，开发了用于方位角和仰角的误差估计算法。给出了在干涉仪天线之间具有不同距离的情况下，为导航航天器的已分配星座图确定角方位时的误差计算结果。

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