查询词典 celestial coordinates

In order to test the performance of identification algorithm,shorten the development cycle of star sensor,as well as reduce the cost and improve the efficiency of development,a new type of hybrid simulation system for celestial navigation was proposed.

由于航天实验费用大，为测试星敏感器性能和星图识别算法，需在地面构建天文导航半物理仿真试验平台。

There's a definite logic to his analysis, Phillip Sadler, a celestial navigation expert at the Harvard-Smithsonian Center for Astrophysics, told Space.com.

哈佛大学史密森研究中心天体物理学的天体航行专家菲利普赛德勒告诉空间网，&他的分析有自圆其说之处。&

Historically, astronomy has included disciplines as diverse as astrometry , celestial navigation , observational astronomy, the making of calendars , and even astrology , but professional astronomy is nowadays often considered to be synonymous with astrophysics .

从历史上看，还包括天文学科等不同天体测量学，天文导航，观测天文学，制作日历，甚至占星术，但专业天文学是现在通常被认为是同义词，天体物理学。

Since the approach has been coded into the program, if it can be combined with the predication system of the nautical almanac data, the combined two systems can be further developed in a commercial package and dramatically improve the training or education of the current celestial navigation.

本法因已将理论透过数值计算，若能再结合航海历资料库预测系统，未来将可进一步发展成商用套装软体，改善目前商船教育训练或海上实务作业上天文航海的现况。

Large initial state error and non-Gaussian distribution of state may exist in the deep-space autonomous celestial navigation, so based on the classic six orbit elements, an orbit determination method for deep-space probe is proposed by using starlight angle as measurement information and the unscented particle filter algorithm.

针对深空自主天文导航中可能存在初始状态误差较大、状态分布非高斯分布等问题，基于轨道6根数描述形式，提出了利用星光角距观测信息和UPF算法确定探测器轨道的方法。

The circle of space surrounding the earth and measuring 360 degrees of celestial longitude is known as the zodiac.

围拢地球和测量360度黄经的空间圈子叫作黄道带。

These images were placed in celestial latitude and longitude coordinate systems that allowed the positions of the stars to be mapped in the sky and formed the backdrop for predictions of the location of the planets and other heavenly bodies throughout the year.

这些图像被放置在天文经度和纬度坐标上允许明星的被映射在天空中并形成了全年的对行星和其他天体的位置预测系统的背景。

Either of two corresponding parallels of celestial latitude that are the limits of the apparent northern and southern passages of the sun.

为什么用这个词儿呢？是为了与&视界&对比，它指的是未来所能达到的集合。。。。

Disappear beyond the horizon; of celestial bodies such as the sun and the moon.

在地平线以下消失；指太阳和月亮等天体。

The maximum parallax observed when the celestial body is at the horizon.

当天体在地平面上时观测到的最大视差。

The role of the environment is very important.

的作用，环境是非常重要的。

At that time, the High Court of England and Wales Court of Queen's Bench president of William Murray, Lord Mansfield in June 22, 1772 ruling:"No matter then there is the inconvenience, but there must be a decision, I can not say that this case under the law in England are permitted or authorized; are so black should be released."

当时的英格兰及威尔士高等法院王座法庭院长William Murray， Lord Mansfield于1772年6月22日宣判：「无论有那麽不便，但总要有个决定，我不能说这件案在英格兰法律之下是准许或认可；所以黑人是应该被释放。