ephemeris

American Ephemeris and Nautical almanac.

美国天文年历和航海年历。

Honor is venerable to us because it is no ephemeris.

荣誉令我们肃然起敬因为它不是转瞬即逝。

It can also be got in th post-processing according to the precise ephemeris.

在后处理中也可以用精密星历来计算卫星坐标。

Person finally will become greenery be the ephemeris normal regulation.

人终究会成为绿叶就是天体的正常规律。

Then the new ephemeris is uploaded and the satellite marked healthy again.

阿曼电信公司是阿曼目前唯一的固定集团电话运营商。

In this paper, the definition of the Celestial Ephemeris Pole (CEP) in the 1980 IAU Theory of Nutation is discussed.

本文讨论了1980 IAU章动理论中关于天球历书极的定义。

Since the adoption of the IAU 1980 theory of nutation, the reference pole is the celestial ephemeris pole (CEP).

1984年起,采用 IAU 1980章动理论,选取天球历书极作为参考极。

The orbital motion of close binary pulsar can be used for generation of an astronomical ephemeris time scale BPT.

介绍了该领域研究的基本状况,重点对毫秒脉冲星守时的理论方法,综合脉冲星时间及与原子时的关系等进行了讨论和评述。

The GPS ephemeris and GLONASS ephemeris adapt to some kind of the satellite orbits while they have some shortcoming.

GPS和GLONASS广播星历形式适合于某一类卫星轨道,但存在一定局限性。

The influence of broadcasting ephemeris error is estimated from the satellite-station double difference technology.

最后,进行了试验和技术分析。

The broadcast ephemeris,which is the basic of satellite navigation,must be precise and real time.

导航卫星广播星历是卫星导航定位的基础,要求有较高的精度和实时性。

Until the Eastern Han Dynasty, historian with the ephemeris officer is always unity.

直到东汉,史官与星历官始终是合一的。

In his free time, Banneker wrote the Pennsylvania, Delaware, Maryland, and Virginia Almanac and Ephemeris.

闲暇之时,班尼卡撰写有关宾州、德拉瓦、马里兰和维吉尼亚的农民历及星象历书。

The coordinates of the satellites are got according to the boradcast ephemeris received.

卫星的坐标是根据接收到的广播星历来计算的。

It includesan ephemeris table, 13 aspects and max orbs from 0.5 to 9, 12 astrology objects, and 7 progression methods and 8 planet progressions.

从 0.5 个到 9 个, 12 个占星学物体,和 7种级数方法和 8 行星级数包括一张历书表, 13 个方面和顶点天体。

After comparison with overlay pass, other ephemeris and propagation, it was analyzed the orbit determination and propagation accuracy of LP.

通过重叠弧段比较、外部星历比较以及预报比较,我们分析了LP的定轨和预报精度。

The variations of orbit error of GPS broadcast ephemeris from 2002 to 2006 are analyzed, and some effects on the orbit accuracy are discussed.

摘要分析了2002-2006年GPS广播星历轨道误差的变化情况,并对其影响因素进行了讨论。

Through example, analyzing positioning precise influence which broadcast ephemeris and precise ephemeris process different length baselines.

实例分析了广播星历和精密星历对于不同长度基线相对定位精度的影响。

The computation of DGPS corrections starts from the computation of GPS satellite position with using broadcast ephemeris information.

差分修正量的计算,需先由广播星历的资料来计算GPS卫星的位置,然后从已知地面点位置,求得差分修正量。

A fast design method for the lunar satellite transfer trajectory is presented by combining patched-conic technique and ephemeris.

提出了一种将圆锥曲线拼接法与历表相结合,快速设计月球卫星地月转移轨道的方法。

We don't provide an ephemeris in this AstroAlert because, like 2002 NY40 a few weeks ago, J002E3 has a very large topocentric parallax.

我们不提供星历表在这AstroAlert ,因为像2002年NY40几个星期前, J002E3有一个非常大的视差topocentric 。

The clock precise of forecasting broadcast ephemeris is validated using the data of 2005.Some useful conclusions are presented.

采用2005年的观测数据对广播星历预报钟差精度进行了评估,给出了有益的结论。

A fast design method for the lunar satellite transfer trajectory is presented by combining patched conic technique and ephemeris.

提出了一种将圆锥曲线拼接法与历表相结合,快速设计月球卫星地月转移轨道的方法。

The results show that the orbit accuracy of GPS broadcast ephemeris in 2006 was much better than that in 2002 especially after the implementation of L-AII project.

分析表明,由于L-AII计划的实施和其他工作,2006年GPS广播星历的轨道精度较2002年有了较大的提高。

Newton discovers gravitational theory, built up classic mechanics, he uses a formula the biggest ephemeris sport in the cosmos and minimum grain sport of the son unify.

牛顿发现万有引力定律,建立了经典力学,他用一个公式将宇宙中最大天体的运动和最小粒子的运动统一起来。

Based on FK5 and DE405 ephemeris, the paper analyzed the influence of relativity, precession, nutation and aberration on apparent position calculation of star.

基于FK5及DE405星表数据文件,考虑相对论效应、岁差、章动、光行差影响,采用天文矢量处理方法,提出高精度恒星视位置计算数学模型。

In this paper, continuation method for generalized satellite precise ephemeris interpolation, precise satellite clock interpolation and bad GPS Height Transformation.

本文采用广义延拓法进行卫星精密星历插值、卫星精密钟差插值和GPS高程转换。

In this paper, we describe two methods for computing the coordinates and velocities of satellites by using the broadcast ephemeris of the "transit" satellites.

本文介绍利用子午卫星的广播星历表计算卫星坐标和速度的两种方法。

In order to calculate the satellite orbit in GPS data process,it is more efficient to use polynomial methods to fit the orbit curve with the parameters of GPS broadcast ephemeris.

利用多项式拟合的方法计算GPS卫星在轨坐标时,使用正交多项式可有效避免计算过程中出现的病态矩阵。

The R-D method utilizes the spacecraft ephemeris data and Range-Doppler frequency information of the SAR echo data to produce an estimatign of the target position.

摘要距离-多普勒(R-D)定位法是利用卫星星历数据和雷达回波数据的距离-多普勒信息对SAR图像目标进行定位,因无须在视场中选参考点,这对月面目标定位具有重要意义。

On the basis of the long term precise ephemeris of LAGEOS,a computing method suitable for doing the precise pointing prediction of LAGEOS has been derived.

基于LAGEOS卫星的长期精密历表,应用简单的卫星动力学模式,给出了适合于作该卫星的精密指向预报用的一种计算方法。

You may use the on-line New Object Ephemeris Generator to generate ephemerides to enable you to find the object after the first night.

你可以使用在线星历表生成器来计算你发现的目标的以后的位置预报。

The orientation information of the sun, the moon and the earth, together with ephemeris are utilized to develop autonomous navigation algorithm, as well as its realization by DSP hardware.

在小样本观测数据情况下,研究利用日地月方位信息和日月星历表进行航天器自主导航以及利用DSP实现航天器自主导航器的技术。

The prediction accuracy of the positions of the Moon and the planetary bodies in the solar system with the PMOE 2003 ephemeris framework is close to that with the JPL DE 405 ephemeris.

经过近两年的改进,预报天体位置的精度已达到DE 405历表的水平。

In this paper,based on analyzing the precision of forecasting ephemeris quantificationally,the feasibility of applying the forecasting ephemeris to predict the DOP was researched,and the view of GPS optimization design on GPS ephemeris was put forward.

本文通过定量分析卫星预报星历的精度,对应用预报星历预报卫星的几何分布精度因子的可行性进行了探讨,提出应用预报星历对GPS测量进行优化设计的思想。

To make use of the modern ephemeris of the sun and the moon and sift all the data of the solar eclipse calculated in Luoyang during the period from the 20th century to the 22nd century BC.

(2)必须利用现代的日月历表,对子公元前第20至22世纪之间300年,在洛阳可见日食重新全部计算出来,并逐个进行筛选;

Setting circles are used on telescopes equipped with an equatorial mount to find astronomical objects in the sky by their equatorial coordinates often used in star charts or ephemeris.

定位圈 是设置在望远镜的赤道仪式架台上的装置,这是与星图或星历表上常用的赤道座标一样的天球座标系统,可以协助寻找在天空中的目标天体。

The results indicate that taking into account harmony terms cannot improve the precision and efficiency of GPS broadcast ephemeris parameter fitting, so the harmony term can be ignored in application.

计算结果表明,考虑调和项并不能提高GPS广播星历参数拟合的精度和效率,实际应用时应忽略调和项的影响。

The motion of the celestial ephemeris pole with respect to the spatial frame is called nutation (including precession),and that with respect to the terrestrial frame is called polar motion.

通过引进章动坐标系相对惯性参照系的转动角速度随时间的变化,导出了一个可同时解出章动和极移的地球自转方程,用这个方程可同时研究地球的强迫和自由转动。

Meanwhile, The positioning errors of GPS and its correction models are discussed at length, Particularly the practical example with regard to satellitic ephemeris error is computed and analyzed.3.

同时,对GPS定位中的误差来源与改正模型进行了详细讨论,特别对GPS广播星历轨道误差进行了详细试验分析与研究。

To make use of the modern ephemeris of the sun and the moon and sift all the data of the solar eclipse calculated in Luoyang during the period from the 20th century to the 22nd century BC. 3.

(2)必须利用现代的日月历表,对于公元前第20至22世纪之间300年,在洛阳可见日食重新全部计算出来,并逐个进行筛选;

The software compiled according to this method,can be operated on microcomputer (32 K storage,16 bytes) and is available to generate the short-term ephemeris on site. in meter precision.

根据它的原理所编制的软件能在32K内存和16位字长的微型计算机上生成台站的短期(一天之内)历表,其精度达米级。

AA200, celestial navigation celestial position calculation program, according to Jet Propulsion Laboratory DE405 ephemeris astronomical prepared, in the international arena in the most advanced level.

AA200,天文导航天体位置计算程序,根据喷气推进实验室DE405天文历表编制而成,在国际上处于最先进的水平。-aa200c.

If you wish someone else to follow-up your new discovery, you should use the New Object Ephemeris Generator to generate ephemerides to enable your colleague to find the object after the first night.

如果你希望其他人来持续观测你发现的目标,你应该使用“新目标星历表发生器”去产生星历表好让你的合作者在第一晚后去发现它。

ERROR ANALYSIS OF IGS PRECISE EPHEMERIS

IGS精密星历的误差分析

ephemeris table computation synchronous satellite

星历表计算同步卫星

American Ephemeris and Nautical almanac

美国天文年历和航海年历

THE NEW ELEMENTS AND EPHEMERIS OF (234) BARBARA

小行星(234)Barbara的新轨道和星历表

AN APPLICATION OF THE TRANSIT BROADCAST EPHEMERIS

子午卫星广播星历表的一种应用

2. ephemeris used in agriculture.

2.农业上使用的历书。