定轨

At last, it is discussed that the station latitude of the Electronic Fence may effect on orbit determination.

最后讨论了篱笆布站纬度对定轨应用的影响。

Besides, the realizing of LP estimation on the precise orbit determination is discussed in detail.

三LP估计在卫星精密定轨中的应用。

It is especially valuable for the interpolation calculation in the software for satellite orbit determination.

因此，特别适用于卫星定轨软件中大量的各种形式的插值计算。

After briefly introducing the basic theory of orbit determination based on TTD measurements, we carry out three aspects of research.

这一部分在简介外弹道测量定轨的基本原理后，开展了三方面的研究。

Therefore, the influence of tide perturbation must be considered in the high-precise and long-time autonomous orbit determination.

因此，在高精度、长时间的导航卫星自主定轨中必须要考虑潮汐摄动的影响。

According to the mathematical models of GPS positioning and orbit determination, some programs were compiled for data testing.

基于GPS 定轨定位原理及数学模型，编制了相应的仿真程序。

In this paper,we analyze the key techniques for the service precision of Global Navigation Satellite System such as time reference,time synchronization,satellite orbit determination,etc.

对影响导航定位系统定位精度的各种因素进行了分析。研究了影响导航定位精度的关键技术问题，如时间基准、时间同步和卫星定轨等。

Firstly this paper introduces some basic information about the determination of satellite orbit, including time systems, coordinate systems, the definition of these systems and the transfer between different systems.

文中首先介绍了卫星定轨的一些基础知识，主要包括时间系统、坐标系统的定义和不同系统之间的转换关系。

Algorithms of on-board GPS real-time single point positioning and dynamic orbit determination using positioning solutions are mainly studied.

本文重点研究星载GPS单点实时定位和基于单点定位结果的动力学定轨方法。

Open loop Doppler data have been used in the orbit determination of Mars Express.

开环多普勒数据已经开始尝试用于卫星的定轨，今后有关开环多普勒数据的科学应用也在准备中。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失