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- spacecraft orbit control 航天器轨道控制
- The spacecraft orbited Mars three times. 太空船绕火红四周的轨道转三周。
- As each spacecraft orbits the Earth it emits a carrier wave. 每一个航天器绕地球轨道运转的时候,它会发射一种载波。
- The Clohessy-Wiltshire equation is further transformed to get orbit control equation, in which the mean motion and oscillation due to the eccentricity are de-coupled. 利用卡尔曼 滤波进行相对测量和相对定轨,并将离散线性系统的二次型最优控制 理论应用到相对位置校正控制中。
- The spacecraft is in orbit around the moon. 该航天器在绕月球轨道运行。
- Arthur Kantrowitz for the first time in 1972. As a novel propulsion technology, it can be applied in many fields, such as micro-satellite launch, satellite orbit control and space debris removal. 自1972年由Kantrowitz提出这一概念以来,受到世界各国的广泛关注。
- The spacecraft orbited the Earth 14 times and reached an altitude of 343 kilometers. 宇宙飞船绕地球飞行了十四圈,并到了一个海拔343公里的高度。
- Last Wednesday the Shenzhou 5 spacecraft orbited the Earth 14 times and reached an altitide of 343 kilometres. 上周三,神舟五号宇宙飞船围绕地球飞行了14圈,达到了343公里的高度。
- Last Wednesday the Shenzhou 5 spacecraft orbited the Earth 14 times and reached an altitude of 343 kilometres. 上周三,神州五号宇宙飞船围绕地球飞行了14圈,达到了343公里的高度。
- The spacecraft is in orbit (ie moving in orbit) round the moon. 该航天器在绕月球轨道上飞行。
- The Landsat spacecraft orbits the polar regions of the earth at a height of 920 kilometers. 地球资源卫星航天器以920公里的高度环绕地球的两极地区运行。
- attitude and orbit control electronics 瓷态轨道控制电路
- IN THIS ARTICLE: A spacecraft orbiting Mars as part of the Mars Global Surveyor mission will be sending back data to Earth for two years. 本文简介:一艘沿火星轨道运行,执行火星全球勘测者部分任务的宇宙飞船,将连续两年把勘测数据发送回地面。
- Constellations and Their Orbit Control Techniques 星座与星座轨道控制技术
- Cassini, the robotic spacecraft orbiting Saturn that took this image, is not expected to survive to the next Saturnian equinox in 15 years. 正绕土星飞行的卡西尼飞船拍摄到了这张影像,预计它将运行不到下一个土星秋分日的到来,也就是15年之后。
- general electric satellite orbit control 通用电气卫星轨道控制
- Yang and his spacecraft orbited the earth 14 times during about 21 hours before he safely landed in North China the next day. 他于2003年10月15日乘坐神舟5号载人宇宙飞船进入太空,成为我国的第一位宇航员。
- Attitude and Orbit Control Subsystem( AOCS) AOCS
- Said Dr. James W. Head III, a professor of geological sciences. Photographs taken by a spacecraft orbiting Mars indicate that active volcanoes may still exist on the planet. 言出地质学专家海德博士。由一艘绕火星运行的飞船所拍摄的照片显示火星上仍有可能存在着活火山。
- Mission control ordered the spacecraft to return to earth. 指挥部命令宇宙飞船返回地球。