文中给出一种从伴随轨道确定两个航天器轨道要素的方法,这一方法也可推广应用于多个航天器的情况。
This paper presents a method by using of which the orbital elements of two spacecrafts can be determined by an adjoint orbit. Also, this method can be used to the condition of multi-spacecraft.
工程实践应用表明,在测角精度比较低而测距、测速精度相对高的情况下,该方法可有效地提高轨道确定的精度。
Applications show that the method effectively increases orbit determination accuracy at low angular measurement accuracy and high ranging and range rate measurement accuracy.
对双星定位系统在中低轨卫星轨道确定中的应用做了详细的分析,给出了在该系统的测量模式下中低轨卫星定轨的几种方法。
The application of Bi-satellite positioning system to LEO or MEO satellite orbit determination be analyzed and discussed some corresponding orbit determination methods.
本文基于美国Gamit软件研究的基础上,对于GPS实时精密轨道确定的方法进行了细致的研究,提出了在中国区域范围内有实用价值的区域定轨方法与方案。
Based on research of GAMIT software, the GPS orbit determination method were studied and discussed. This paper gives a valuable strategy for regional orbit determination in China.
但我们的记者表示,清理轨道和确定死伤人数需要几天的时间。
But our reporter says it will take days to clear the track and to establish the numbers of the dead and injured.
我们要做的最要紧的事,如果我们在思考这种问题的话,其实只不过是,准确地确定哪些轨道会导致,这五条分立谱线在光谱中出现。
So the first thing that we want to do, if we're thinking about something like this, is just to determine exactly what orbitals are causing the five different lines that we're seeing in the spectrum.
如果单一货币崩溃,他们被确定为在以德国为中心的超级欧元的内侧轨道上。
Should the single currency crumble, they are determined to be on the inside track for any new German-centred “super-euro”.
这颗卫星发生了一些故障而无法保持在其正确的轨道上,2007年底空军确定它将很快坠落在地球上。
The satellite had trouble maintaining orbit, and by late 2007 the Air Force determined that it would soon crash to Earth.
所以现在我们只要把这些轨道加起来,一个轨道是由3个量子数完全确定的。
So now we're just counting up our orbitals, an orbital is completely described by the 3 quantum Numbers.
地球和火星都必须在其确定的轨道运行,在这种情况下,发射窗只能每25各月才有机会发射一次。
Earth and Mars have to be at the right positions in their orbit for this method to work, and the launch window only comes around once every 25 months.
犹他的共和党人是怎么确定贝内特已偏离了正确的轨道呢?
How did Utah's Republicans decide that Mr Bennett had strayed from the true path?
你知道世事无常,祸福难料,但只要你呆在所在的轨道上不加改变,你就能够轻松地确定自己的生活和事业将终归何处。
You know there are going to be twists and turns, ups and downs, but you can easily figure out where you'll end up professionally and personally if you stay on the track you're currently on.
东亚思想库网络正式英文缩写是“NEAT”,应明确定位为东亚合作进程的“第二轨道”,主要为推动东亚合作提供智力支撑,对东亚合作政策性和方向性的重大问题提出建议。
The English abbreviation for Network of East Asian Think-tanks is the NEAT.
喷气推进实验室从小行星中心获得轨道数据,并逐颗核对确定小行星的轨道。
The JPL team takes orbit data from the Minor Planet Center and refines it, asteroid by asteroid.
你汽车上与绕轨道运行的卫星发出的无线电信号调谐的传感器能随时精确地确定你汽车的方位,并告知交通阻塞情况。
Sensors in your car tuned to radio signals from orbiting satellites can locate your car precisely at any moment and warn of traffic jams.
跟欧洲不同,美国的宏观经济政策组合已经确定偏离紧缩的轨道。
Unlike Europe’s, America’s macroeconomic policy mix has just moved decisively away from austerity.
“开普勒”小组首先根据凌日法获得地外行星的讯息,然后由开普勒望远镜和其他太空望远镜(包括运行在轨道上的和地球上的)对行星做进一步的观测,最后才将它确定为候选行星。
Kepler identifies these slight changes in starlight as candidate planets, which are then confirmed by further observations by Kepler and other telescopes in orbit and on Earth.
提出了一种利用姿态测量数据确定卫星初始轨道的新方法。
A new method of determining the satellite initial orbit with attitude data is presented.
一个违例保持2个ECCS轨道是可操作的,由于气体的累积,在充电和,泵吸线路,自我确定,如果你们确定,你们就能得到赞誉。
A failure to maintain two ECCS trains operable due to gas accumulation in the charge and pump suction line. Self-identified, if you identify it by yourself you get credit.
依据疲劳损伤累积理论,确定了公轨两用钢桁桥轨道横梁与整体节点连接头验证性疲劳试验的试验荷载。
According to fatigue damage accumulation theory, test load of verified fatigue test on rail across beam and welded connections with integral joint of combined steel truss bridge was gotten.
未来的研究将确定细胞命运的决定因素,观察其分布的相对主轴的方向和轨道随后兄弟细胞的命运。
Future studies will have to identify cell fate determinants, observe their distribution relative to spindle orientation and track the subsequent sibling cell fates.
的确,人们很容易将自己陷入那些表面上自己想要的目标中,但是当我们探寻这个深层的价值,我们就会很确定自己已经在正确的轨道上并滋养着自己的灵魂。
It can be easy to get caught up in following goals that appear to be what we want, but when we pursue the underlying value, we are certain to stay on our right path and continue to feed our soul.
各学派的占星学者每年要考察他们各自的图表,以便确定天体的轨道和天体相互的位置。
Each school of astrologists will review their diagrams to determine the orbits of spheres and their relative positions.
利用高清晰空间目标图像来获取空间目标的几何形态对于空间目标的观测和识别、未来位置的预测和轨道的确定等具有重要意义。
Using space object images with super-resolution to obtain their geometrical form is necessary to observe and catalog space object, predict their future position and determine their orbits.
计算中,用半经验方法确定了分子轨道系数。
The molecular orbital coefficients are determined by means of a semiempirical method in the calculation.
法定轨道通过确定的精确性是机器控制的一个主要任务。
Prescribed trajectory tracking with certain accuracy is a main task of robotic control.
法定轨道通过确定的精确性是机器控制的一个主要任务。
Prescribed trajectory tracking with certain accuracy is a main task of robotic control.
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