它们威胁着所有国家的低轨道卫星，包含国际空间站。
They threaten low orbiting satellites of all nations, including the International Space Station.
使用低轨道卫星就像把地面蜂窝网搬到天上，并能提供与之相仿的业务。
The use of LEO satellites will be in a manner similar to that proposed for extension of cellular networks and offer many of the same services.
近几年来，低轨道卫星(LEO)通信在军事上应用的研究有了长足进展。
In recent years, the research for the applications of LEO in military communication gets great advances.
随着太空军事化趋势的日益增强，了解和认识当前的低轨道卫星较为必要。
With the enhancement of the space militarization, it is necessary to know the present low earth orbit satellites.
介绍了典型低轨道卫星的军事作用和运作机理，并给出了当前在轨低轨道卫星的技术参数。
Military function and operation mechanism of low earth orbit satellites are introduced, and technical parameters of low earth orbit satellites are provided.
在引入平均轨道概念的基础上，提出了一种针对低轨道卫星的过顶与成像区域时间的快速预报算法。
On the basis of mean orbit concept, a fast algorithm for the prediction of LEO satellite passes and image opportunity is presented.
火箭成功的将一枚勘测卫星送入地球低轨道。
The rocket successfully lifted a reconnaissance satellite to low Earth orbit.
这种类型卫星在执行低轨道攻击任务时，从发射到攻击的共需要不到15分钟的飞行时间。
Total flight time from launch to impact for these types of weapons is usually less than 15 minutes when attacking low orbits.
这将阻碍低轨道地球卫星（LEO）的运转。
This would hinder operations of low-Earth orbiting, or LEO, satellites.
尽管这些结论仍只是在初级阶段，但Shprits预测，在未来几年间此类事件将使得低轨道地球卫星舰队中一大部分的卫星丢失。
Though the results are still preliminary, Shprits predicts that a majority of the LEO satellite fleet could be lost within a few years of such an event.
该模型模拟的太阳风暴比2003年的Holloween超级太阳风暴还要强烈，并研究出结果中的电子助焊剂对低轨道地球卫星产生的影响。
The model simulated a solar storm stronger than the so-called Halloween solar superstorms of 2003 and investigated what effect the resulting flux of electrons would have on LEO satellites.
由于地球低轨道更利于收集情报信息，大多被军事侦察卫星所占有。
The low earth orbit is mostly occupied by military reconnaissance satellites for it is convenient to collect intelligence information.
研究了用两颗全球定位系统(GPS)卫星粗略确定低轨卫星轨道的问题，并着重讨论了其中的初值问题，给出了一种有效的初值方法。
Based on the research of orbit determination by using two GPS satellites, this paper discusses the initial value problem and provides an effective method of getting initial value.
随着低轨卫星的应用领域不断扩大，人们对低轨卫星的轨道精度要求越来越高。
With more and more application fields of Low Earth Orbit satellites, better and better precision of LEO is needed by many people.
低轨重力卫星轨道的精确确定是获得精密地球重力场模型的前提，而精密重力场模型又是获得高精度定轨结果的保证。
On the other hand, the precision gravity model is important guarantees for obtaining high precision orbiting results using the dynamic or reduced-dynamic orbit determination method.
本文对利用低推力推进装置将卫星从低地轨道转移到静地轨道的可行性在技术上和经济上重新作了评价。
This paper makes an undated assessment of the technical and economic feasibility of transferring satellites from low Earth Orbit to Geostationary Orbit using low thrust propulsion.
电离层掩星观测中，当低轨卫星(LEO)轨道高度较低时，轨道以上的电离层电子总含量(TEC)对掩星反演的影响不能忽略。
When the low-Earth orbit (LEO) satellite is low, the contribution of the Total Electron Contents (TEC) above the satellite is not neglectable for inversion of GPS-LEO ionospheric occultation.
CZ - 2c是适用于发射低轨道、质量较大卫星的二级液体运载火箭。
CZ-2C is a two-stage liquid propellant launch vehicle, which is suitable for launching heavier LEO satellite.
一颗重达100公斤220磅的实验卫星将于7.30号从位于Goheung市距离韩国首府汉城475公里的南韩Naro宇宙空间中心发射，进入地球低轨道。
An experimental satellite weighing 100 kilograms (220 pounds) will be launched into a low earth orbit on July 30 from the Naro Space Centre in Goheung, 475 kilometres (300 miles) south of Seoul.
本文分析了低轨星载拦截器进行轨道机动拦截高轨卫星的能力。
The paper analyzes the capability of satellite-board interceptor on low orbits to intercept the satellites on high orbits by orbit maneuvering.
运用卫星低轨道两个主要环境力矩(重力梯度矩和地磁力矩)对圆轨道卫星三轴姿态进行被动控制。
In this paper, three-axis passive stabilization is realized by using two main environment torques (gravity gradient and geomagnetic torque) in low orbit.
研究等离子体干扰破坏低轨道侦察卫星功能的效应，提出了用等离子体反卫星的概念。
We aim to study the effectiveness of plasma interference against spying operations of low-orbit satellite.
研究了混合轨道卫星通信系统的路由算法，系统由低轨道和静止轨道卫星构成。
Routing algorithms of satellite communication system with hybrid orbit are studied. The system consists of LEO and GEO satellites.
1990年初开始提出利用静止轨道以外的其他轨道通信卫星的设想，最好是利用低轨道(LEO)卫星。
Now in the 1990's it have been growing in using orbits other than the geostationary orbit for telecommunications satellites. It is the best approach to use the Low Earth orbit (LEO) satellites.
铱网络使用66低轨卫星在极地轨道485公里以上的海平面。
The Iridium network uses 66 low earth orbit satellites in polar orbits 485 miles above sea level.
来自全球网络使用40低轨卫星轨道高度876公里。
The Globalstar network utilizes 40 low earth orbit satellites orbiting at an altitude of 876 miles.
来自全球网络使用40低轨卫星轨道高度876公里。
The Globalstar network utilizes 40 low earth orbit satellites orbiting at an altitude of 876 miles.
应用推荐