分析了轨道高度与最大访问间隔时间之间的关系。
The interactions between orbit altitude and the maximum revisit time are analyzed.
当你到达你想要的轨道高度时，打开门（不要忘记你的头盔！）
When you get to the orbital altitude you want, open the door (don't forget your helmet!
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.
当你到达你想要的轨道高度时，打开门(不要忘记你的头盔！)
When you get to the orbital altitude you want, open the door don't forget your helmet!
越高耗费的燃料越少，而载人飞船能够长时间安全飞行的轨道高度就有上限。
But while higher is better from a fuel conservation perspective, there is an upper limit on how high it is safe to orbit humans for long periods.
当你到达你想要的轨道高度时，打开门(不要忘记你的头盔！)，然后，跳出去。
When you get to the orbital altitude you want, open the door (don't forget your helmet!) and hop out.
通过引入假想交点的概念，推导出了交点周期、基本交点距与轨道高度的关系。
Then, the relationship among nodal period, fundamental interval and orbital altitude was educed by deriving the definitions of fictitious node.
该航太器采用一个整体的二元组推进系统进入月球轨道和维持轨道高度及状态。
The spacecraft USES a bipropellant integrated propulsion system to reach lunar orbit as well as orbit and attitude maintenance while orbiting the Moon.
利用改进的能量守恒法基于不同轨道高度恢复了120阶grace地球重力场。
The GRACE Earth's gravitational field complete up to degree and order 120 is recovered based on different orbital altitude according to the improved energy conservation principle.
它将搭载欧盟织女（Vega）火箭升空，速度达到16000英里每小时，轨道高度280英里。
The spacecraft will launch on an ESA Vega rocket, reaching speeds of 16,000 miles per hour and 280 miles in altitude.
研究轨道倾角、轨道高度、GPS天线仰角和轨道偏心率等因素对多普勒频率搜索范围的影响。
The orbital inclination, orbital altitude, elevation of GPS antenna and orbital eccentricity were researched as the influential factors to doppler range.
研究了通过遗传算法模型优化设计侦察卫星轨道高度、轨道倾角、右升交点角及平近点角等轨道参数的方法。
Through the GA model, the orbital elements of each satellite such as altitude, inclination, RAAN and mean anomaly are optimized.
根据目标飞行器轨道高度和追踪飞行器入轨轨道高度，给出了目标飞行器交会对接轨道初始相位的设计方法。
According to the target spacecraft's orbit height and the chaser spacecraft's orbit height, the design method of the target's initial phase for the rendezvous orbit was presented.
着重介绍了大气层核爆炸产生的光辐射经大气传输后，到达不同卫星轨道高度的核爆探测器上的能量的估算。
The this paper is to introduces the optical radiation energy analysis with atmosphere nuclear explosion from different detection on differentaltitude.
然后基于该模型，分别改变轨道高度和轨道倾角，就不同星座的网络综合连通度如何变化进行了仿真计算和分析。
Using the model, simulation and analysis for variation of network comprehensive connectivity are performed in different constellations, altering orbital height and orbital inclination respectively.
当光学系统口径一定时，在相同的轨道高度条件下，增大焦距可以提高地面分辨率，增大系统的视场角可以扩大对地面的覆盖宽度。
When the aperture diameter of an optical system is fixed with the same orbit height, the resolution of ground objects can be improved by increasing the focal length.
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.
第三章，建立了卫星轨道动力学模型，设计了GPS和运动方程组合的卡尔曼滤波器，并针对不同轨道高度的微小卫星进行了定位仿真。
In chapter 3, the orbit dynamics models are established, the Kalman Filter of the GPS and kinematics equation combined are designed, and simulations of different orbit Micro-satellite are done.
和这个计划不同，更多研究者的努力方向是使用轨道高度22300英里的地球同步卫星，它们和地球的位置相对固定，可以不间断地传送能源。
Moststudies have focused instead on geostationary satellites, those whoseorbit 22, 300 miles above the Earth keeps them over a single location, to which they would transmit a continuous flow of power.
由静止卫星的轨道位置示意图可见，地球的平均半径约为6378公里，静止卫星的轨道高度约为35786公里，轨道半径约为42,164公里。
As shown, the earth's mean radius is about 6378 km, while the altitude and orbit radius of a GSO satellite is approximately equal to 35786 km and 42164 km respectively.
他们希望GIOVE - B卫星可以在GIOVE - A卫星的基础上，完善并且提供更多的数据。GIOVE - A卫星是欧洲第一颗在中地球轨道高度运行的卫星。
It is hoped that GIOVE-B will provide data to complement and expand upon results from GIOVE-A, which was the first European satellite to operate in MEO.
大多数已知的太阳系外行星都居住在高度拉长而非圆形的轨道上。
Most known extrasolar planets reside in highly elongated, not circular, orbits.
这大约是一个物体从赤道沿轨道垂直向上运行的高度，这样它就可以一直保持在地球同一地点的正上方。
That's about how high an object would have to be orbiting straight up from the equator to constantly remain directly above the exact same spot on the rotating planet Earth.
这个高度相对于维珍银河及其它亚轨道空间旅游工具开发者所承诺的100千米高度而言差得一段距离。
That altitude is a long ways from the height of more than 100 km promised by Virgin Galactic and others developing suborbital space tourism vehicles.
这意味着他们不但处于不同的高度，轨道也有约10度的交角，没有碰撞的危险。
This means that not only were they at different altitudes but also their orbits intersected at about a 10-degree Angle. There was no danger of collision.
以国际空间站为例，其轨道在约200英里(322公里)的高度，其速度约为每小时17,500英里(28,163公里)。
For the ISS, which orbits at a height of about 200 miles (322 kilometers), that's roughly 17,500 miles (28,163 kilometers) an hour.
以国际空间站为例，其轨道在约200英里(322公里)的高度，其速度约为每小时17,500英里(28,163公里)。
For the ISS, which orbits at a height of about 200 miles (322 kilometers), that's roughly 17, 500 miles (28, 163 kilometers) an hour.
在这个方案中，一个载物飞行器(比如说搭载着卫星)将(首先)搭载超燃冲压发动机进入相当高度，理论上能够达到近似轨道速度。
In such a scheme, a payload vehicle (holding, say, a satellite) would piggyback to high altitude aboard the scramjet, which in theory could reach near-orbital speeds.
国际空间站和神七的接近高度是由特殊的轨道任务引起的。
The similar altitudes of both the iss and SH-7 arise from some of the peculiars of orbital missions.
国际空间站和神七的接近高度是由特殊的轨道任务引起的。
The similar altitudes of both the iss and SH-7 arise from some of the peculiars of orbital missions.
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