• If that's so, theory predicts that thousands of dark matter clumps should surround the Milky Way, each holding a small satellite galaxy.

    如果真的如此,根据理论预测,银河系的周围应该环绕着成千上万的暗物质团簇,每个都含有一个小的卫星星系。

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  • The best example of this type of satellite is the XSS-11, a small satellite the size of a dishwasher developed by the US Air Force Research Laboratory and launched in 2005.

    最好的例子就是美国空军实验室在2005年开发的小型卫星XSS - 11,只有洗碗机大小。

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  • "Some small satellite TV stations had tried to copy the show before, but none were successful because they only copied the face, not the mind-and especially not the heart, " Jin said.

    一些小的卫星电视台曾试图复制此节目,但是他们都没有成功,因为他们只能复制表面,而不能复制此节目的核心理念。

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  • Located in the Large Magellanic Cloud, a small satellite galaxy orbiting our Milky Way galaxy, the region's spidery appearance is responsible for its popular name, the Tarantula nebula.

    该区域位于围绕我们所在的银河系旋转的一个卫星星系——大麦哲伦星云之中,其蛛网状的样子得来了这个人尽皆知的名字,蜘蛛星云。

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  • This device, developed at the Joint Non-Lethal Weapons Directorate in Quantico, Virginia, is a microwave transmitter the size and shape of a small satellite dish that pivots on top of an armoured car.

    这种由弗吉尼亚州匡恩提科市的非杀伤性武器联合局研发的装置,是一种安装在装甲车顶部的可转动的微波发射机,其形状与大小如同一只小型碟式卫星电视天线。

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  • This paper presents a automatic test platform of small satellite based on virtual instrument.

    本文介绍一种基于虚拟仪器技术的小卫星自动测试平台。

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  • This means that the idea and measures of thermal design for the small satellite are feasible.

    这表明本颗卫星的热设计思想和所采取的热设计措施可行。

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  • The safe releasing velocity of small satellite which was launched from the main satellite was investigated.

    论文针对母星在轨释放小卫星安全速度设计开展研究。

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  • Basic design constraints of the distributed small satellite based GMTI radar are derived from the clutter rank.

    最后从杂波自由度得到分布式小卫星雷达实现地面运动目标指示的基本设计约束条件。

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  • According to the effective load and task demand of small satellite, satellite software is divided into several task modules.

    该方法根据小卫星有效载荷和任务的需求,将小卫星的星务软件分解为若干个任务模块。

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  • In this paper, thinking of small satellite constellation, optimal impulse orbit transfer is studied for constellation launching.

    针对小卫星星座,进行星座发射中的最优脉冲式变轨研究。

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  • Now, using the small satellite constellations to provide various services has become a technology trend in satellite application.

    如今,利用小卫星组成的星座为人类提供各种服务已成为卫星应用的一种技术趋势。

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  • This technique is applied in small satellite, and satisfies the limitation of control cycle and reliability requirement of system.

    该技术在某小卫星中应用,能有效满足系统控制周期的限制和系统可靠性要求。

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  • High precision inter-satellite baseline measurement is one of the most important issues for distributed small satellite SAR (DSS-SAR).

    星间基线的高精度测量是分布式小卫星合成孔径雷达(SAR)的重点问题之一。

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  • A system framework for analysis, design and evaluation of small satellite is proposed as a baseline of a small satellite oriented course.

    首先论述大学小卫星项目的特点并分析小卫星项目的多学科特性,在此基础上提出小卫星结构系统分析、设计、评价系统框架。

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  • The research emphasis is restartable nitrous oxide monopropellant thruster suitable for keeping the position and phase of small satellite.

    研究重点是可多次启动的一氧化二氮单元推进剂推力室,适用于小卫星的位置保持和相位保持。

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  • With the wide application of small satellite and its increasing quantity, the requirements for orbit control technology of the small satellite is becoming more strict.

    随着小卫星应用领域的日益广阔和小卫星数量的不断增长,对小卫星轨道控制技术的要求也越来越高。

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  • When designing a special type small satellite (STSS) communication system with spread-spectrum technology, the fading and the interference must be considered carefully.

    对于特种小卫星扩频通信系统,衰落及干扰状况是系统设计时必须考虑的重要方面。

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  • The purpose of this paper is to study the type optimization of small satellite major joint, which is based on static and buckling analysis of honeycomb sandwich plates.

    基于对预埋主接头蜂窝板的静力与稳定性分析,对小卫星主接头进行选型优化。

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  • Magnetic field vector is a function of the position where the satellite stays. Thus autonomous navigation for small satellite can be achieved by measuring the magnetic field vector.

    地磁场矢量是卫星所在位置的函数,通过对地磁场的测量,即可实现对近地小卫星的自主导航。

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  • The proposed results are useful to the attitude dynamic analysis and control system design for not only the spacecraft with large rotation parts, but also the agile small satellite.

    所得结果不仅适用于具有大型运动部件的航天器的姿态动力学分析及控制系统设计,也适用于灵敏小卫星的相应研究。

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  • Using the encapsulation, inheritance and polymorphism of OOP, a foundation class library of small satellite software is designed, the detail design of all base classes is introduced.

    利用OOP的封装性、继承性和多态性,设计小卫星软件的基本类库,介绍各个基本类的具体设计思想。

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  • To the superiority of multibaseline interferometry for master satellite and distributed small satellite SAR system, in this paper, a method of multibaseline interferometry is proposed.

    针对主星带小卫星分布式SAR系统进行多基线干涉测高的优越性,本文提出了一种多基线干涉测高方法。

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  • Through the fast dynamic reconfiguration of FPGA, the OBC could control the launch vehicle, and implement function switching, fault handling and upgrading when a small satellite is in orbit.

    通过对现场可编程门阵列(FPGA)的重构,星载计算机实现对运载器与卫星的控制与管理,并能够进行故障处理及在轨升级。

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  • The failures of small satellite are divided into three levels: sub system level, system level and outside system level, and the failures in system level are processed by housekeeping software.

    它将小卫星的故障分为分系统级、系统级和系统外部级三种,并由星务管理软件处理系统级故障。

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  • Investors see a lot of untapped value in those data sets, and coupled with the falling cost of small satellite components that value is changing investor attitudes toward young space startups.

    投资者们认为,这些数据还有很多价值没有被开发出来,这些价值,再加上小型卫星零部件成本的下降,导致了投资者对年轻的航天创业公司的态度也发生了转变。

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  • The magnetic control system for polar orbiting, nadir pointing small satellite is studied in this paper. It is shown that the dynamics with magnetic control system is a linear periodic system.

    在极地圆轨道上工作的对地定向磁控小卫星,其动力学方程是一个线性周期系统。

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  • Positional and attitude error dynamics model of small satellite relative to a target satellite was derived, then the desired relative orbit and desired attitude of small satellite were designed.

    建立了小卫星相对轨道和姿态的误差动力学模型,根据作业任务和姿态指向要求确定了小卫星相对轨道和姿态的期望运动;

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  • The results of the simulation indicate that the safety trajectory guidance strategy can achieve safety maneuver flying of the small satellite proximity operation when using thrust control method.

    仿真计算结果表明,采用脉冲控制模式,本文提出的安全轨迹制导策略能够实现小卫星临近作业的安全机动飞行。

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  • Small satellite launched together with a main satellite often needs orbital maneuvers to enter its working orbit.

    由搭载方式发射的小卫星,通常需要变轨才能进入自己的工作轨道。

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