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- The refraction error is a main error source in the measurementdata.It is also a main factor affecting the satellite tracking and control accuracy and orbit determination accuracy. 摘要折射误差是观测数据包含的主要误差源之一，也是影响卫星跟踪与控制以及轨道确定精度的主要因素。
- Orbit determining accuracy 定轨精度
- 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。
- Simulation Analysis of the Short-Arc Orbital Determination Accuracy for a Lunar Orbiter 环月探测器短弧定轨精度的仿真结果分析
- 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。
- By experimental verification, it has been found that the determining accuracy of calcium was improved by quantifying the content of masking agent. 实验结果表明，对干扰组分定量掩蔽，可提高测钙的准确度。
- With the method, the accuracy of c a rrier phase-based relative orbit determination may attain the order of a few de cimeter from the results calculated by using data collected from GPS/DR onboard TOPEX/POSEIDON. 该方法应用于TOPEX/PO SEIDON卫星星载GPS实测数据 ,可得到分米级的定轨精度
- Influence factors on wavelengh determination were analyzed in order to improve the determination accuracy. 为了准确地测定海藻糖含量,对影响波长测定的因素进行了系统分析。
- The mathematic model of orbit determination of GPS satellite using zero-difference data is deduced in detail. 详细推导了利用非差伪距和非差相位确定GPS卫星轨道的数学模型；
- Thiourea-fluoride spectrophotometric method is adopted to enhance the determination accuracy of bismuth in electrolytic solution of copper. 为提高铜电解液中铋的测定准确度,提出了硫脲-氟化物分光光度测定法。
- MOYER T D.Mathematical Formulation of the Double-precision Orbit Determination Program[R].[s.l.]:[s.n.],1971. 李济生.;人造卫星精密轨道确定
- VLBI monitoring system worked well during the orbit determination of theChang'E-1 Lunar Probe. VLBI台站监管系统在嫦娥探月 一期工程实施期间运行稳定、可靠，对VLBI测轨任务的圆满完成起到了积极的作用。
- GPS-based orbit determination is nowadays one of the hotspots in satellite geodesy studies. 星载GPS定轨是目前卫星大地测量研究的热点之一。
- The sample was concentrated by heating to remove ammonia from the sample, to further improve the determination accuracy and precision to meet the site fast analysis requirement. 通过对样品的加热浓缩,达到脱氨的效果,从而进一步提高测定的准确度、精密度,更适合现场快速分析需要。
- Orbit determining by use of rate data 测速定轨
- An autonomous satellite attitude and orbit determination system based on the stellar refraction measurement is described. 摘要研究了基于星光折射量测进行自主确定卫星姿态及轨道的方法。
- Autonomous orbit determination of navigation constellation plays an important role in increasing autonomy of constellation. 实现导航星座的自主定轨对提高星座自主性具有主要意义。
- I can't vouch for the accuracy of my memory. 我无法保证我的记忆正确无误。
- Several individual and combined techniques including BRTS,VLBI,CEI and GPS are presented and analyzed for tracking and orbit determination for geostationary satellites. 介绍并分析了针对地球静止卫星的各种高精度测定轨跟踪技术。
- The definition, characteristics and mathematical model of pseudo-stochastic pulses utilized in reduced-dynamic orbit determination are systematically analyzed. 摘要研究了简化动力学定轨方法中伪随机脉冲的定义、特征及估计的数学模型。
