伪距测量精度决定了伪距定位的精度。
The precision of pseudo-range measurement determines the precision of pseudo-range positioning.
论述了多普勒效应对GPS伪距测量的影响，建立了GPS伪距测量多普勒改正的模型。
In this paper, the influence of doppler effect on GPS pseudo range measurement is described and the model of doppler correction for GPS pseudo range measurement is established.
最后，对影响伪距测量值的因素进行了讨论，给出了误差计算的方法，分析了对测距精度的影响。
Finally, the factors influencing pseudo coding ran ging value are discussed, error estimation method is given, and the influence on ranging precision is analysed.
目前已经能够研制出测量用户至卫星伪距信号的“北斗”用户接收机，此款接收机可以工作在无源定位的情况下。
The BD receiver can measure the pseudo distance between the satellite and the user, so that it can work in the passive positioning system.
通过对可观测性能分析，得出了这样的结论：仅用伪距和伪距变化率为观测量的组合系统对姿态角误差的可观测性较差。
Observability analysis shows that the integration system, in which only GPS pseudo range and delta pseudo range are the observable, can not assure favorable observability of the attitude error angles.
论述了GPS监测站伪距观测量评定广播星历精度的基本方法。
This paper discusses the essential method of using GPS pseudorange data to assess the precision of broadcast ephemeris.
论述了GPS监测站伪距观测量评定广播星历精度的基本方法。
This paper discusses the essential method of using GPS pseudorange data to assess the precision of broadcast ephemeris.
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