这样大小的卫星可以自己首先形成，然后被一个更大体积的行星的引力所捕获成为它的卫星。
Such large moons could form on their own and later be captured by a more massive planet's gravity to become a satellite.
该数据模型可比较的简单性有助于对GPS设备和卫星成像捕获的数据进行建模。
The data model's comparable simplicity lends itself to modeling data acquired by GPS devices and satellite imaging.
如果听起来有点荒谬的话，你就会看到下面卫星捕获的GeoEye和一个有50米(1.65英尺)的图像。
If that sounds preposterous, wait until you see it from space. The image below was captured by a GeoEye satellite and has a resolution of half a meter (1.65 feet).
一个月亮很可能帮助稳定火星的轨道，但是它也有两个小的卫星，很可能是被捕获的小行星，他们根本就没有足够的引力能束缚。
A big moon likely could have helped stabilize Mars' orbit, but the planet has just two small moons, most likely captured asteroids, that don't have much gravitational muscle.
该卫星携带一台被动无线电波探测器，可以捕获地球表面发出的微波辐射。
The satellite carries a passive radiometer that captures the microwave radiation emanating from the Earth's surface.
可能是因为在我们太阳系的其他气态巨星已经失去自己的卫星的时候土星捕获了一个月亮。
It could be that the planet managed to cling onto a moon when all the other gas giants in our solar system had already lost theirs.
SR- 5124是首个集成电子情报与通信情报的信号情报系统，能够同时同步捕获无线电、卫星通信、遥感勘测以及雷达信号。
The SR-5124 is the first SIGINT system that integrates ELINT and COMINT that captures radio, satcom, telemetry, and radar signals simultaneously and synchronously.
子卫星缓慢地成螺旋形远离Iapetus直到其被土星捕获。
The subsatellite would have spiraled slowly away from Iapetus until Saturn grabbed it.
在2011年2月1日,日本名为日之出（Hinode)的卫星捕获了这张惊人的日冕洞图像,这个黑暗的区域在这个图片的右边，另外一个与之相对的日冕洞在图片的左边出现。
On Feb. 1, 2011, the Hinode satellite captured this breathtaking image of a coronal hole, the dark area seen at the right side of this image. A second, polar coronal hole can also be seen at left.
NASA的特里（Terra）卫星上装载的中分辨率成像光谱仪（MODIS）捕获了福建省部分区域的图像：上面的摄于2010年5月25日，下面的摄于2010年5月2日。
The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite captured these images of part of Fujian Province on May 25, 2010 (top), and May 2, 2010 (bottom).
在毋需获知最优机动轨迹规划的情况下，可用于卫星任意时刻的姿态捕获和机动控制。
This method would be applied for the attitude capture and maneuvers control of the satellite at any time when the optimum maneuver trajectory was unknown.
研究了用于低轨卫星通信的直接序列扩频系统的码捕获技术。
It is studied that the code acquisition technology of direct sequence spread spectrum system in LEO satellite communication.
快速自动对星：高速运行中，系统完成自动捕获并实时跟踪卫星。
Fast automatic to star: high speed operation, the system to accomplish automatically captured and real-time tracking satellites.
设计在高动态环境下工作的GPS接收机，其难点之一便在于对卫星伪码的快速捕获。
To design the GPS receiver working in high dynamic circumstance, the first problem to be settled is how to catch the PN code of the satellite.
在卫星光通信的链路建立过程中，粗瞄误差不对称度较高时，同样的扫描时间限制内分行扫描可以获得更高的捕获概率。
Giving the same limit for the acquisition time, a larger acquisition probability is obtained with the raster scanning during the link foundation when the coarse pointing errors asymmetry is high.
因此，研究高轨环境下微弱导航信号的捕获是极其重要的，它是解决高轨卫星星载GPS应用中的一个关键技术。
So it is important to study the acquisition of weak navigational signal in geostationary orbit environments, and it is a key technique to the application of GPS onboard GEO.
设计在高动态环境下工作的GPS接收机，其难点之一在于对卫星伪码的快速捕获。
One of the difficulties of designing GPS receiver working under high dynamic circumstance is to fast acquire the satellite PN code.
在相同的外部环境和系统参数条件下，捕获扫描方式的选择直接影响卫星间光通信终端的捕获性能。
Selections of acquisition scan methods decide the acquisition performance of a terminal in intersatellite optical communications under the same external conditions and system parameters.
多重直扩信号的快速捕获是卫星定位及通信系统研制过程中遇到的一个主要课题。
Fast acquisition for overlapping DS-signals is an important question in developing satellite fast positioning and communication systems.
阐述了一种地面卫星跟踪的捕获跟踪控制系统。
The acquisition, tracking and control system for a ground based satellite tracking are described.
视频跟踪器控制反射镜以捕获中继反射镜实验（RME）卫星，并提供鲁棒性强的低带宽增益视频跟踪回路，从而消除视轴抖动。
The video tracker controls a mirror to acquire the Relay Mirror Experiment (RME) satellite, and provides a robust low bandwidth tracking loop to remove line of sight jitter.
卫星捕获了这些图片，但是图片不一定与失踪飞机有关。
The images were captured by satellite. They may not be related to the aircraft.
美国正在显然地期待中国很快测试这种新武器，而且正在部署间谍船、飞机和卫星，捕获尽可能很多的数据。
The U. S. is apparently expecting China to test this new weapon soon, and is deploying spy ships, aircraft and satellites, to capture as much data as possible.
探讨了保证重力梯度杆伸展后卫星姿态能正确捕获所需的条件。
The conditions for proper attitude acquisition after boom deployment are obtained from the simulation.
有一种说法是X- 37是一架间谍飞机，旨在捕获各种精明的目标。这些精明的目标发现间谍卫星位临上空时，能够知道如何隐蔽自己。
One theory is that it is a spy plane, designed to catch savvy targets that know how to go to ground when spy satellites - which have predictable orbits-are overhead.
笼形结构——能够捕获气体的象冰一样的晶格结构的存在，可以很容易地解释我们在这颗卫星上看到的现象。
The presence of clathrates, ice-like lattice structures that can trap gases, could just as easily explain what we see on the moon.
GPS接收机中信号捕获通过粗略调整本地复制信号的码相位和载波频率与卫星信号同步。
In a GPS receiver, the signal acquisition coarsely adjusts the code phase and the carrier frequency of locally generated replicas to align with the corresponding satellite signal.
卫星信号的同步包括捕获与跟踪两个过程，同步算法在GPS软件接收机的设计中占有十分重要的地位。
The synchronization of GPS signals plays a key role in the design of GPS software receivers, which consists of two parts called signals' capture and signals' tracking.
在本文的主体部分阐述了对GPS 卫星信号搜索、捕获、跟踪及后续导航解算的主要算法及其性能比较。
The major part of this paper was concentrated on expatiation and comparison of the major algorithms of GPS signal searching, acquisition, tracking and navigation solution in GPS receiver.
在本文的主体部分阐述了对GPS 卫星信号搜索、捕获、跟踪及后续导航解算的主要算法及其性能比较。
The major part of this paper was concentrated on expatiation and comparison of the major algorithms of GPS signal searching, acquisition, tracking and navigation solution in GPS receiver.
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