earth orbit

Fast acquisition and tracking for the signals of low earth orbit Satelite DSSS Communication Based on Software Radio Platform

基于软件无线电平台的低轨卫星扩频通信的信号快速捕获和跟踪

After the first stage burns out, it falls back to earth along a parabolic path, while the engines of the second stage fire to thrust the rocket into an earth orbit.

当第一级烧毁后，沿抛物线的轨道落到地球，而第二级的发动机点火把火箭发射到地球轨道。

In reality, many human constructs can be seen from Earth orbit.

而实际上, 在近地轨道上很多人工建筑物都可以被看到.

Three-axis stabilized attitude control system for Chinese near earth orbit satellites

中国近地轨道卫星三轴稳定姿态控制系统

A new satellite has been put into orbit around the earth.

一颗新的人造卫星被送上了环绕地球的轨道。

Modelling and analysing of space debris environment in low earth orbit

低地轨道空间碎片环境建模与分析

Launch vehicle: Rocket system that Boosts a spacecraft into Earth orbit or Beyond Earth's gravitational pull.

运载火箭: 将航天器推入绕地球轨道或脱离地球引力范围的火箭系统.

The Design of Regional Constellation Based on Medium Earth Orbit

基于MEO圆轨道的区域性星座设计

Still others would stand as sentinels in high earth orbit to spot dangerous intruders from our star.

还有一些将作为地球高轨上的哨兵来确定危险入侵者距离我们这个星球的准确位置。

Based on the functionality and traffic characteristics of the Medium Earth Orbit Tracking and Data Relay Satellite System ( MEO-TDRSS), the coverage properties and Inter-Satellite Link ( ISL) performances of four familiar satellite constellation schemes which are adopted as the MEO-TDRSS of China are simulated and compared.

基于中轨跟踪与数据中继卫星系统（MEO-TDRSS）星座方案的功能和业务特性，对4种常见星座实现的我国中轨TDRSS的覆盖特性和星际链路性能进行了仿真分析和比较。

The orbit of this comet intersects the orbit of the Earth.

这颗彗星的轨道与地球的轨道交叉。

They're primarily designed for Low Earth Orbit ( LEO)-an easily accessible region of space from around 200 to 800 miles above Earth, where human-tended missions like the Hubble Space Telescope and the International Space Station ( ISS) hang out.

它们主要是为近地轨道而设计的——近地轨道是距离地球200至800英里的一个较为容易进入的空域，像哈勃太空望远镜和国际空间站这样需要人类维护的太空设施就在这里运行。

China's 2011 attempt with Russia to send the Yinghuo-1 satellite to Mars failed after the Russian rocket carrying it was unable to leave Earth orbit.

中国和俄罗斯曾于2011年合作尝试发射萤火1号火星探测卫星，由于搭载该卫星的俄罗斯运载火箭未能飞离地球轨道，发射失败。

The paper begins with a brief outline on the recent status of geosynchronous and low/ medium earth orbit satellite communication systems.

本文先全面说明同步卫星和低/中轨道移动卫星通信系统的最新动态。

the earth's orbit around the sun

地球环绕太阳的轨道

Trains run on a railway track. circum earth orbit

火车在铁路轨道上行驶。地球卫星的环行轨道

Even its visibility from near-earth orbit is questionable.

甚至从近地球轨道其可见度是值得怀疑的.

China has also put astronauts into Earth orbit and conducted spacewalks.

中国还把航天员送到了地球轨道，并完成了空间行走。

A separate booster rocket will be necessary to break the craft out of Earth orbit.

助推火箭分离器需要有强大的推力使航天器脱离地球轨道。

The two satellites were placed respectively in LEO ( low earth orbit ) and geostationary transfer orbit.

两颗卫星分别进入近地轨道和地球同步转移轨道.

Ground-based VLBI Relativistic Time Delay Model for Satellites in High Earth Orbit

人造地球卫星VLBI观测的相对论时延模型

Ark Angel now entering Earth orbit.

“方舟天使”号现在进入地球轨道.

The orbit of this comet intersects the orbit of the Earth

这颗彗星的轨道与地球的轨道交叉。

A Combined environment which consists of charged particle radiation and ultraviolet ( UV) radiation exists in the medium and high Earth orbit.

在中高轨道上，存在着带电粒子辐射、紫外辐照等组成的综合辐射环境。

Grace was the first to derive the code generators used by the Galileo validation satellites and the first Compass satellite in medium earth orbit.

格蕾丝是首个破解伽利略试验卫星和北斗一代地球中轨道卫星所使用的编码规则的人。

A Rerouting Strategy in Low Earth Orbit QoS Satellite Networks

一种重路由策略在低轨QoS卫星网络中的应用

The earth takes a year to orbit the sun.

地球绕太阳一周要一年的时间。

A manned ShenZhou-11 capsule is set to launch in October, carrying two astronauts, to rendezvous and dock with the TianGong-2 space station precursor facility in low Earth orbit.

载人神舟11船舱将在十月发射，搭载两名宇航员，会合，并在地球低轨道的天宫二号空间站前体设施对接。

The variations of mass changes of polyimide films during exposure in different flux of atomic oxygen ( AO) beams which was a ground-simulated low earth orbit ( LEO) space environment, were in-situ studied using QCM.

用石英晶体微天平（QCM）原位监测并研究了聚酰亚胺薄膜在地面原子氧模拟装置中暴露时的质量变化。

Next came three flights to test rendezvous between the manned spacecraft and the unmanned lunar landing craft in Earth orbit, culminating with the crew transferring from one to the other.

后来的三次是测试载人飞船与绕地飞行的不载人登月飞船的会合，计划的高潮是宇航员从一个飞船转移到另一个飞船。