Star navigation is an autonomous navigation system.
星光导航是一种自主导航系统。
The measurements of the spacecraft star navigation system are provided by star tracker and infrared accelerometer.
星光跟踪仪提供天顶距的测量数据，红外高度测量仪提供航天器的高度数据。
This thesis analyzes the principle and architecture of three-star navigation system based on "Beidou" system and investigates the problems related with positioning precision.
本论文分析了基于北斗导航定位系统的三星定位系统总体结构和工作原理，对卫星导航中与定位精度有关的部分进行了研究。
The rising star will join seven other satellites already in orbit to form a network which will eventually provide navigation and positioning services around the globe.
该上升卫星将跟另外7颗在轨道运行的卫星一起形成全球定位导航服务系统。
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。
Further more, hybrid navigation of the Twin-Star system and INS has a wide application prospect, so this technology has much research and development potential.
进一步，将双星与INS进行组合导航，应用前景广阔，因此该项技术具有较深的研究开发潜力。
Star image simulation is one of the key technologies in research of airborne astronomical navigation.
星图模拟是研究机载天文导航的关键技术之一。
Using UD decomposing to modify EKF Particle filter was imported into the navigation scheme based on the measurement of elevation Angle of star.
用UD分解改进EKF粒子滤波算法，并将其应用于基于星光仰角测量的探测器自主导航方案。
An autonomous optical navigation scheme was designed using the star light data and body edge data which is measured by star sensor and optical navigation camera.
利用光学导航相机以及星敏感器，通过测量星光信息以及天体边缘的信息，进行了自主光学导航方案的设计。
The volume of the navigation star database is large when star map recognition is carried out by KMP algorithm.
用KMP算法进行星图识别时，制定的导航星库容量大。
An autonomous navigation scheme is designed by using the star sensor and horizontal instrument to observe the elevation Angle of star.
利用星敏感器和地平仪测量“星光仰角”，进行自主导航方案设计。
Star sensor is a high-precision, high reliability attitude measurement equipment of astronomical navigation system.
星敏感器是天文导航系统的主要设备，是一种高精度、高可靠性的姿态测量部件。
The principle of autonomous navigation using star sensors and scanning infrared earth sensors is studied.
本文阐述了利用星敏感器和红外地球敏感器进行自主导航的原理。
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。
Finally, a verification identification is used to solve the redundancies of the observed star triangle and the mapped navigation star triangle.
最后，引入验证识别环节有效地解决观测三角形与匹配的导航三角形产生的冗余问题。
Wide field, high precision, small volume and mass, less power consumption are distinct characters of new generation star sensor, which has self-navigation capability.
具有自主导航能力的新一代星敏感器的显著特点是视场大、精度高、体积小、质量轻、功耗低。
The simplex method is chosen to do the optimization, and a best navigation star table under simple conditions is proposed to reinforce the global optimize capability of simplex method.
针对单纯形法全局搜索能力不足的缺点，提出了通过编制简单条件下的最佳测星方位表来为算法提供良好初值的解决方案。
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。
An optimum index that can compromise the performance of accuracy indices which have different properties is proposed, intending to get the best navigation star of the platform decline scheme,.
针对单星调平台方案，提出了能够综合不同性质的修正指标性能的整体优化指标，选择单纯形调优法来确定最佳测星方位。
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。
As the star sensor of ballistic missile works only for short time, the navigation stars in the missile can be reduced to 30, and the convex polygons can be reduced to 75 for different trajectories.
为此，设计了以导航星凸多边形和观测凸多边形之间距离最小为准则的识别算法。针对星光制导的导弹观星时间很短，提出了根据弹道生成弹上导航星表的方法，其导航星表只需存储30颗星的75 个凸多边形。
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。
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。
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