Star tracker is a sensing system with high accuracy and sensitivity in the guidance and navigation. It offers the direction reference to the aircraft and spacecraft by the use of the celestial stars.
星跟踪器是高精度和高灵敏度的导航和制导用传感设备，它利用天上的恒星为系统提供方向基准。
RACID's are successfully employed in star tracking and celestial navigation applications where only designated stars within the canopy of space are read and processed for positional vectoring.
RACID已经成功的应用于恒星追踪，天体导航应用，此时，指定的星体可以定位引导的读取和处理。
A low mass X-ray binary (LMXB) is a celestial system in which a relatively normal star is being eaten alive by a nearby stellar corpse, either a neutron star or a black hole.
低质量X射线双星(LMXB)是一颗相对正常的恒星和邻近的正在对其进行蚕食的恒星“遗体”构成的天体系统，“遗体”是中子星或黑洞。
The long tradition in China of searching the sky for celestial omens has therefore led to an early and unsurpassed precision in star catalogues.
中国对天空的研究有悠久的传统，作为天上的预兆，因此早期的星象目录就已经非常卓越地精密。
With the celestial globe, people can figure out the star atlas even during day-time or on a cloudy night.
利用浑象，无论是白天还是阴天的夜晚，人们都可以随时了解当时应该出现在天空的星空图案。
A star of the second magnitude at the end of the handle of the little dipper and almost at the north celestial pole.
北极星第二星的光度中的一颗星，位于小熊星座把柄的末端，几乎位于北天极。
Learn the Great Square of Pegasus now, and you can use these stars later to star-hop to many a celestial treasure.
熟悉飞马座的大四方形之后，待到无月的夜空，你便可以利用这些星星挖掘到更多天上的宝石。
A planet is a celestial body orbiting a star.
行星是环绕著恒星公转的天体。
A star of the second magnitude, at the end of the hanDle of the Little Dipper and almost at the north celestial pole.
北极星第二星的光度中的一颗星，位于小熊星座把柄的末端，几乎位于北天极。
With 486 partitions, an equal partition method of celestial sphere without overlap is firstly presented to speed up guide star indexing.
首先提出在直角坐标系下将天球球面均匀地分成486个分区的方法——“内接正方体法”，实现导航星的快速检索。
The shot, captured in July and released this week, shows the apparent motion of the stars around Polaris , the star that's almost exactly aligned with Earth's north celestial pole.
这幅拍摄于七月份、公布于本周的照片展示了群星围绕北极星的运动，北极星几乎完全精确的对准北天极。
This paper advocates that the six states of the dragon described in the hexagram of Qian are six celestial phenomena of the star of the green dragon in a tropical year.
本文认为乾卦六爻爻辞所说的“六龙”各种状态是苍龙星在一个回归年中所运动的不同天象。
The star tracker is the primary part of airborne celestial navigation device. Random vibration is an important invalidation factor of the star tracker.
星体跟踪器是机载天文导航设备的重要组成部分，随机振动是其结构失效的重要因素。
The gnomon in the middle is perpendicular to the plate, parallel to the earth's axis, and points to the celestial North Pole (near the north Star).
晷针垂直于晷盘，平行于地轴，指向天北极(北极星附近)。
The series reveals Venus' apparent retrograde motion transporting it from a brilliant evening star to morning's celestial beacon.
一系列揭示金星明显的逆行运动运送它从一个辉煌的明星晚报到今天上午的天体的灯塔。
Summary: Pocket Stars is an astronomy application featuring an integrated star chart, ephemeris, and celestial navigation calculator.
综述：特色应用袖珍星星是一个综合天文星图、星历、天文导航计算器。
Based on the technical requirements of celestial navigation equipment, the overall construction of the star simulator is presented.
对该装置所采用的准直光学系统、数字可调光源进行了研究，并提出了背景光模拟的技术要求。
Utilizing celestial observations from star trackers, a 6-state extended Kalman filter is adopted to correct the satellites attitude error as well as gyro bias error.
利用星敏感器测量所得的恒星星光方向信息，采用六状态变量推广卡尔曼滤波，得到卫星姿态误差和陀螺漂移误差信息并进行相应的修正。
Utilizing celestial observations from star trackers, a 6-state extended Kalman filter is adopted to correct the satellites attitude error as well as gyro bias error.
利用星敏感器测量所得的恒星星光方向信息，采用六状态变量推广卡尔曼滤波，得到卫星姿态误差和陀螺漂移误差信息并进行相应的修正。
应用推荐