angular distance

1. The angular distance of a point in an orbit past the point of periapsis measured in degrees.
   穿过用角度来测量的进拱点的一个轨道里的某点的角距离。
2. A unit of angular distance equal to one thousandth of a radian.
   角距离单位相当于（待查表）弧度。
3. A unit of angular distance equal to 60 degrees.
   等于度的角距离单位。
4. ( astronomy) position of a planet as defined by its angular distance from its perihelion ( as observed from the sun).
   从太阳观察到的行星距近日点的角度偏差。
5. Angular distance is the distance between two objects measured as an angle from a given point.
   角距离，是由一定点到两物体之间所量度的夹角。
6. An instrument for measuring the angular distance between celestial objects; resembles an octant.
   测量两个天体之间的角距离；类似于八分仪。
7. The article describes the working principle of the dynamic star simulator based on TFT-LCD and the calculation of the revised star angular distance error.
   本文介绍了基于TFT-LCD的动态星模拟器的工作原理及星点位置误差的计算方法。
8. The angular distance of a celestial body below the horizon.
   在地平线以下消失；指太阳和月亮等天体。
9. The angular distance along the celestial equator from the observer's meridian to the hour circle of a given celestial body.
   从观测者所在的子午线到给定天体的子午线沿着天赤道的角距离。
10. Now I'm going to rotate this about this axis it's going around like this with an angular velocity omega R and this is at a distance, R.
    然后我将使其绕轴旋转-，像这样旋转-，为角速度，这个距离记为。
11. Puts forward a proposal of the limitary error for the mean square error of angular, distance measurement after strict adjustment of first, second-order traversing.
    提出一、二级导线测量严密平差后，测边、测角中误差限值的建议。
12. A speedy match method of angular distance is presented by curve fitting the table of star-pair which is formulated from star catalog.
    并提出了一种将星对表拟合成曲线函数实现快速角距匹配的方法。
13. However, the application of differential VLBI is restricted due to the prerequisite that the angular distance between the target and the reference objects should be very small in order to maintain a high precision.
    然而，差分VLBI高精度的实现要求目标天体和参考天体的角距很近，这大大限制了其应用。
14. The variable structure proportional navigation with terminal angular constraint is utilized, and estimation about the distance rate and distance between missile and target is made, which broke the constraint that passive homing missile can't measure out the distance and distance rate.
    采用带落角约束的变结构导引律，对弹目距离及距离变化率进行估计，克服被动寻的导弹不能测距的约束，同时使切换开关增益随时间自适应变化以减小俯冲过载。
15. In star pattern recognition algorithms that recognition character is star pair angular distance, it is main way to advance the consumed time that improving match speed of star pair information catalogue.
    在以星对角距为识别特征的星图识别算法中，星对信息表的匹配查找速度的提高是提升识别速度的一个主要途径。
16. The calculation results show that the statistical error of interstellar angular distance is reduced from 41 "before calibration to 17", the calculation accuracy is improved.
    计算结果表明：星对角距统计偏差由标定前41〃降到了17〃，提高了计算精度。
17. The testing methods for two important technical specifications& angular distance accuracy between stars and magnitude of the miniature star simulator are further studied in the paper, thus the difficult problems such as calibration and testing of the high-accuracy star simulator are solved from the engineering.
    本论文还对小型星模拟器的两个重要技术指标&星间角距精度和星等的检测方法进行了深入的研究，从工程上解决了对高精度星模拟器标定和测试的难题。
18. A star pattern identification algorithm, based on angular distance and geometry configuration of star group, was provided in order to increase the probability of star pattern identification.
    为了提高SPR概率，提出了将角距特征同星群几何特征相结合的SPR算法。
19. This method apply the length of the stadia as base line, survey the vertical angular of the two ends of the base ling by theodolite and get the distance between the station and stadia.
    该方法是以视距尺的定长作基线，利用经纬仪测定基线两端点的竖直角，求出立尺点至测站点间的距离。
20. A speedy match of angular distance method was formulated by curve fitting the table of star pair for realizing rapid match in star pair information catalogue.
    为了实现对星对信息表的快速查找，提出了一种将星对信息表拟合成曲线函数实现快速角距匹配的方法。
21. On the basis of the summation of predecessors 'determination of the errors of the circle division, we propose a "one-shot determination method" for fixing the angular distance of the reading microscope.
    在总结前人测定度盘分划误差的基础上，我们提出了固定读数显微镜角距的一次测定方法。
22. This paper deals with a new strict proof for three center theorem. It draws a relationship between angular velocity and distance of instantaneous center in three members moved on a plane. As a result, two applications of this relationship have been brought out.
    给出了三心定理的一种严谨的新证明，同时得出平面运动三构件角速度与瞬心距的关系，最后给出了该关系的两个应用实例。
23. Angular Distance Distribution-based Search-Less Algorithm for Star List
    基于角距分布的星表快速查找算法
24. The necessary conditions of the formation of halo are: weekly bound, low orbit angular momentum and short distance interaction.
    形成晕结构的必要条件是：弱束缚、低轨道角动量和短程相互作用。
25. The SPR ( Star Pattern Recognition) features such as angular distance visual magnitude and configuration of star group were investigated.
    研究了角距、星等、星群几何结构等星模式识别SPR（StarPatternRecognition）特征。
26. Starlight angular distance observed by star sensor and horizontal instrument as the observation is often used for the spacecraft celestial navigation, which is a mature and credible autonomous navigation method.
    利用红外地球敏感器和星敏感器直接敏感地平的天文导航方法是一种成熟、可靠的自主导航方法。
27. It can be concluded from the result that angular errors caused by atmospheric turbulence relate to altitute angle, propagating distance, etc.
    结果表明，大气湍流引起的角误差与仰角、距离等因素有关。
28. A Study on the Fixed Angular Distance Method of Determining Dimeter Corrections
    用固定角距法测量度盘对径改正的探讨
29. Regarded the theodolite as a tool, the paper introduces the measuring principle of the angular distance between stars of optical navigation sensor calibration system which guided by the theodolite, and states the measurement procedures in detail, and presents the measured data.
    本文以经纬仪为工具，阐述了基于经纬仪的光学导航敏感器标定系统星间角距的测量原理，详细介绍了测量步骤，给出了测量数据。
30. Through the research on the testing method of angular distance between stars and the analysis of the system accuracy, provided a theoretical basis of design and test the miniature static star simulator.
    通过对星间角距检测方法的研究及对系统精度的分析，为小型静态星模拟器的设计与检验提供了理论依据。

noun

1. the angular separation between two objects as perceived by an observer
   1. he recorded angular distances between the stars