峰顶正上方是明亮的北极星，这次曝光正好逮住了一颗极轨铱星的闪光。
Bright north star Polaris stands above the peak in an exposure that also captures the brilliant trail of a polar orbiting Iridium satellite.
按照齐塔人的说法，孪星和地球共轨，但通常躲在太阳的后边。
The Dark Twin, per the Zetas, shares the Earth's orbit but is normally hidden behind the Sun.
为了使航天测控中星箭分离后得到的数据能够在定轨时获得应用，提出了一种修正方法。
To use the data after separation of satellite and rocket in the process of calculating orbit, a correction method is proposed.
天线方向图在轨测量是星载sar定标技术的关键部分。
Inflight measurement of antenna pattern is a key technology of spaceborne SAR calibration.
针对高轨环境下导航星可见性差，信号功率低的情况，提出了一种提高导航信号捕获能力的方法，并在理论上进行了分析论证。
For the poor visibility of the navigational satellites and the low power of the signal, the paper proposes a new way to improve the GEO's acquisitive performance and validates the method in theory.
在轨测试结果表明，两星的在轨运行、功能和性能符合任务书的要求。
And the orbital detected results showed that the all operation, function and performance of two satellites met the certain requirement.
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.
研究的设计方案预期能成功应用到各种卫星姿轨控系统的软件研制、星载其它软件的研制，也能应用于地面实时测控系统中。
The method described in this paper can be applied to design the other software system of satellite and the real-time ground control systems.
从两个方面讨论了低轨卫星在做卫-卫跟踪（SST）观测时，星间隔的选择问题。
The problem of satellite-to-satellite tracking (SST) separation parameter be discussed in two aspects.
预警卫星在轨工作期间，星载扫描相机将对关注区域进行南北往复扫描，凝视相机对发现的目标进行跟踪探测。
The scanning camera scans the concerning area and the staring camera tracks the found targets, when the early-warning satellite is on-orbit.
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.
在轨测试和试运行期间，C星的CDAS不仅解决暴露的问题，而且进行适应性调整。
The problems of CDAS for C satellite were solved and adaptability adjustment was completed during the periods of on-orbit test and experimental operation.
对利用多个编码发射机在轨测量星载SAR接收天线二维方向图的技术进行了研究。
This paper describes a new method of antenna reception pattern measurement for spaceborne SAR using encoding transmitters.
天线外定标是实现星载SAR天线方向图在轨测试的主要手段。
External calibration is key method used for spaceborne SAR antenna onboard measurement.
卫星在发射过程中的振动环境比其在轨运行时更为恶劣，整星隔振和卫星局部减振可以使卫星的动力学环境得到改善。
The whole-spacecraft vibration isolation technology and the spacecraft local vibration attenuation can improve the dynamic environment of the spacecraft.
针对低轨卫星移动通信系统用户在多星覆盖的情况下的位置注册问题，提出了仰角和覆盖时间加权策略。
In LEO satellite network, MTs are always covered by more than one satellite simultaneously. A satellite selection strategy for the MT to register its location is presented in this paper.
论文针对母星在轨释放小卫星安全速度设计开展研究。
The safe releasing velocity of small satellite which was launched from the main satellite was investigated.
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。
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.
卫星姿态在轨测试结果表明，FY 1C，D星的姿态稳定，满足甚至优于技术指标要求。
The orbital detection of satellite attitude showed that the attitude of two satellites met the requirement or even better.
卫星姿态在轨测试结果表明，FY 1C，D星的姿态稳定，满足甚至优于技术指标要求。
The orbital detection of satellite attitude showed that the attitude of two satellites met the requirement or even better.
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