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。
Islanders from all over the Pacific learned to use the stars for navigation, and they passed this knowledge down from generation to generation.
来自太平洋各地的岛民学会了用星星来导航，并且他们将这一知识代代相传。
When a plot takes a long, tortuous route, then-as any mariner will tell you-stars are essential for navigation.
当电影情节沿着一条漫长而拐弯抹角路线展开时，正如很多海员会跟你讲的那样，“明星”是航行中最必不可少的。
In the past, navigation depended largely on the position of stars.
过去，航行在很大程度上依靠星星的位置。
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。
Love is the courage of a woman to travel, love is a woman staring at the stars, love is a woman navigation compass.
爱是女人出行的勇气，爱是女人凝视的星星，爱是女人航行的罗盘。
In the past, navigation depended on a knowledge of the positions of the stars.
过去，航行依靠人们对星星位置知识的了解。
Love is the courage to travel woman, love is a woman stare at the stars, love is a woman's navigation compass.
爱是女人出行的勇气，爱是女人凝视的星星，爱是女人航行的罗盘。
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。
In the past, navigation depended largely on the positions of the stars.
过去，航行在很大程度上依靠星星的位置。
In the past, navigation depended largely on the position of the stars.
过去，航行在很大程度上依靠星星的位置。
If there are more navigational stars, the system performance will be improved more. So the design of the integrated navigation system is successful.
若观测星数增多，则可以大大提高系统性能，表明该组合导航系统设计方案是成功可行的。
At ancient times, people were navigated by means of sun, fixed stars, etc., while currently the common navigation systems are astronomic navigation, inertial navigation and radio navigation.
以前，人们主要利用太阳、星星等自然天体。现在人们利用的导航系统主要有：天文导航系统、惯性导航系统、无线电导航系统三大类。
The research of stars map bottom procession in celestial navigation has been done in this dissertation.
本文是对天文导航中星图图像进行底层处理的研究。
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。
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。
应用推荐