介绍一种新的差分gps方法，既位置差分法。
似然变量的一阶差分，可以用于检测来自其它概率分布的数据点的位置，改善反褶积的效果。
The first order difference of likelihood variable may be used to locate data points in other probability distributions and to improve deconvolution result then.
该方法从恒星之间的相对位置入手，避开通过灰度差分消减恒星的过程。
This method starts from relative position of stars and avoids from removing stars by gray difference.
利用GPS差分技术确定载体运动加速度，其方法有三种：位置微分法、速度微分法和加速度直接解算法。
There are three methods for the determination of the acceleration based on differential GPS carrier-phase technology: position differentiating, velocity differentiating and direct carrier method.
本文对AT P系统位置回路搜索扫描的控制算法进行了比较详细的讨论，并给出了校正算法的差分方程。
The control algorithm about laser range orientation for ATP system is discussed and the difference equation is presented in this paper.
在监测中心对用户的位置数据进行差分修正，给出与伪距修正同样的高精度用户位置数据。
The monitoring center differentially corrects the user's position data and gives the user's position with high precision just like pseudo range differential GPS system dose.
在监测中心对用户的位置数据进行差分修正，给出与伪距修正同样的高精度用户位置数据。
The monitoring center differentially corrects the user's position data and gives the user's position with high precision just like pseudo range differential GPS system dose.
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