celestial coordinate

Study on Demonstration Experiment of Celestial Body Running Law Based on VRML;

基于VRML技术的天体运行规律演示实验教学研究

According to this hypothesis, the magnetic field originating from the spin of a celestial body can be expressed as follows:B=μ\-015r\+3αρR\+5(3cosθ·\-0-→\-0) for r>R \{and\}=3μ\-015αρ·r\+2cosθ·\-0+μ\-015αρ(5R\+2-6r\+2)→\-0 for r<Rwhere the variables of R, r, ω and θ are showed in Fig1, \-0 and → are the unit vector of  and → respect.

任何天体、星系乃至整个宇宙都普遍存在着磁场。

The black hole is a special celestial body, predicted on the basis of general relativity theory.

黑洞是广义相对论所预言的一种特殊的天体。

By means of the Lagrange Multiplier, this paper points out the position of celestial bodies when their azimuth varies the slowest during diurnal motion, thus consummating the conclusion concerned.

用拉格朗日乘数法确定天体周日视运动过程中方位变化速度最慢点的位置，从而使有关结论完整化。

It is very difficult to observe the celestial bodies in the daytime.

为了解决白天天体观测能力受限问题,采用光谱偏振成像技术,并结合天空背景偏振态实时测量方法,显著降低大气散射影响,将提高白天强背景下天体探测信噪比和对比度。

In the universe,all kinds of celestial bodies are in equilibrium under certain conditions,so the universe has a cergion structure.

宇宙中存在各类天体，它们都在一定条件下处于平衡状态，才使得宇宙具有一定的结构。

Influence of celestial movement on natural slope stability due to underground mining;

天体运动对山区磷矿开采自然坡稳定的影响

Combining the features with the Support Vector Machines(SVM),we obtained the effective classification methodology for non-active objects and active objects.

针对天体光谱,通过小波包分解对光谱特征进行提取,并将该特征与支撑矢量机相结合,从而得到一种对活动天体与非活动天体实现自动分类的新方法。