查询词典 orbit determination

Orbit Determination is important in GPS applications.

GPS 轨道确定是 GPS 应用中一个非常重要的领域。

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。

The experiment result with real measurement shows that the new method can be used in real time autonomous satellite orbit determination with high accuracy.

实测数据的计算结果表明，新的定轨方法可以实时自主地得出卫星轨道的位置，并能达到较高的定轨精度。

Then, time propagation, data distribute manage and orbit determination were analyzed and studied.

在此基础上，分别对仿真时间的推进策略、数据分发管理、仿真时间同步以及卫星轨道确定等关键技术进行了分析与研究。

Through comparisons and analysis of the orbit determination results, some meaningful conclusions are drawn.

结果表明，3种模型在精度和实时性方面各有优点，应用中应根据具体情况进行选择。

Relative orbit determination which is based on pseudo satellite technique is considered.

在这些方案中，应用了差分GPS技术，采用优化方法求解多元非线性方程。

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。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。