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satellite
相关语句
  卫星
    Models and Algorithms on Processing of High-Resolution Satellite Remote Sensing Stereo Images
    高分辨率卫星遥感立体影像处理模型与算法
短句来源
    Theory and Method of Image Location in Support of Satellite Remote Sensing Data Fusion
    支持卫星遥感数据融合的影像定位理论与方法
短句来源
    Study of Wavelet Method for VLBI Correlation Processing of Satellite and Radio Source
    卫星及射电源VLBI观测信号相关处理小波方法研究
短句来源
    The Research of Orbit Determination about CHAMP Satellite
    CHAMP卫星定轨方法研究
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    SOME DISCUSSION ON TWO-DIMENSIONAL SATELLITE DOPPLER POSITIONING
    对卫星多普勒二维定位的一些讨论
短句来源
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    THE DEVELOPMENT OF SATELLITE POSITION DETERMINATION AND COMMUNICATION SYSTEM
    发展我国的基定位通信系统
短句来源
    CHARACTERISTICS OF SLANT PATH RAIN ATTENUATION AND ITS POSSIBLE INFLUENCE ON SATELLITE SYSTEM DESIGN
    —地路径雨致衰减特性及其对卫系统设计的可能影响
短句来源
    Research on the Ground Positioning of Satellite Based GPS under CCD Pushroom Scanning Mode
    CCD推扫成像方式下载GPS对地定位的模拟试验研究
短句来源
    Co-Registration of Satellite SAR Complex Images
    载SAR复数图像的配准
短句来源
    Data Fusion between Satellite SAR Image and TM Image Based on Wavelet Textural Information
    基于小波纹理信息的载SAR图像与TM图像的数据融合
短句来源
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  人造卫星
    Recursive Formula for the Inclination Function of a Satellite Orbit——An Application of Yanghui's Formula
    人造卫星轨道倾角函数的递推公式——杨辉公式的一个应用
短句来源
    SATELLITE IN LOW ORBIT(CHAMP,GRACE,GOCE) AND HIGH PRECISION EARTH GRAVITY FIELD:the latest progress of satellite gravity geodesy and its great influence on geoscience
    低轨道人造卫星(CHAMP、GRACE、GOCE)与高精度地球重力场——卫星重力大地测量的最新发展及其对地球科学的重大影响
短句来源
    SLR (Satellite Laser Ranging) is one of the important space geodetic advanced techniques. It provides precise range between a laser station and a satellite that is equipped with retroreflectors.
    SLR(Satellite Laser Ranging)技术是现代空间大地测量最先进技术之一,它可以为人造卫星提供精密的距离观测,本文系统地研究了SLR技术在卫星精密定轨中的有关技术问题。
短句来源
    The artificial satellite and computer technology provide abundant data for the research of resources and environment.
    人造卫星和计算机技术的飞速发展,为资源环境的研究提供了丰富数据。
短句来源
    1. The attributes of satellite, including orbital characteristics, physics traits and the others, are analyzed in detail;
    1.从人造卫星的轨道属性、物理属性和其它属性三个方面对卫星的属性信息进行了详细地分析研究;
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  “satellite”译为未确定词的双语例句
    AN INVESTIGATION OF STABILITY OF THE EXPERIMENTAL Nd:YAG SATELLITE LASER RANGING SYSTEM
    Nd:YAG人卫激光测距实验系统的稳定性研究
短句来源
    THE PREPROCESSING OF THE SATELLITE LASER RANGING DATA
    人卫激光测距资料的预处理
短句来源
    A METHOD OF REAL TIME CONTROLLING THE SATELLITE LASER RANGING SYSTEM BY A MICROCOMPUTER
    用微型计算机实时控制人卫激光测距仪的一种方法
短句来源
    THE APPLICATION OF PRECISION TIME INTERVAL COUNTER TO SATELLITE LASER RANGING AND OTHER FIELDS
    精密时间间隔计数器在激光人卫测距等方面的应用
短句来源
    THE APPLICATION OF CONSTANT FRACTION DISCRIMINATOR IN SATELLITE LASER RANGING
    恒比定时鉴别器在激光测距中的应用
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  satellite
At the end of the article, the method is tested on real magnetic field data measured by the German geoscientific research satellite CHAMP.
      
New dynamic routing algorithm based on MANET in the LEO/MEO satellite network
      
The features of low earth orbit/medium earth orbit (LEO/MEO) satellite networks routing algorithm based on inter-satellite link are analyzed and the similarities between satellite networks and mobile Ad Hoc network (MANET) are pointed out.
      
The similar parts in MANET routing protocol are used in the satellite network for reference.
      
A new dynamic routing algorithm based on MANET in LEO/MEO satellite networks, which fits for the LEO/MEO satellite communication system, is proposed.
      
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A first-generation satellite laser ranging system was developed by collaboration with the Shanghai Institute of Optics and Fine Mechanics for astro-geodynamio purpose. The power of pulse of the ruby laser is about 100MW, and the width of pulse about 25ns. The aperture of the receiver-telescope is 30cm. The resolution of the counter is 10ns. The system was installed at the Z6-Se section, Shanghai Observatory in November 1975. Since then, we have tracked the following satellites Geos-1, Geos-2, Geos-3...

A first-generation satellite laser ranging system was developed by collaboration with the Shanghai Institute of Optics and Fine Mechanics for astro-geodynamio purpose. The power of pulse of the ruby laser is about 100MW, and the width of pulse about 25ns. The aperture of the receiver-telescope is 30cm. The resolution of the counter is 10ns. The system was installed at the Z6-Se section, Shanghai Observatory in November 1975. Since then, we have tracked the following satellites Geos-1, Geos-2, Geos-3 and BE-C. The maximum rang is 2752km with an accuracy of about±1.5 meters.

为了天文地球动力学研究工作的需要,上海天文台在上海光机所的协助下,研制成功了一台第一代人卫激光测距系统.采用的是红宝石激光器,脉冲功率100兆瓦,脉冲宽度25毫微秒.接收望远镜口径30厘米,计数器分辨率10毫微秒.仪器安装在上海天文台余山观测站. 从1975年12月以来,曾先后测量了《Geos-1》、《Geos-2》、《Geos-3》和《BE-C》四颗卫星的距离,最远达到2752公里,单次测距精度约±1.5米.

A preliminary analysis of the accuracy of the satellite laser ranging system at Shanghai Observatory is made in this paper. The calibrations of the system have been carried out with four ground base lines, and the simulations of the returned signals from satellites by means of changing the diaphragms in front of the receiver-telescopa have been made. We believe the range accuracy is about±1.6 meters.

本文初步分析了上海天文台的第一代人造卫星激光测距系统的测距精度.利用四条地面基线对本测距系统进行校准,并采用改变接收口径模拟卫星回波的大幅度变化等方法,得到单次测距精度约为±1.5米.

A method for acquiring the tracks of artificial satellites is developed. By the method, we can in a short time, acquire the tracks of some satellites such as Geos-2 and Lageos at one single station, based only on the previous satelliles orbital elements or the observation data about 1-2 years ago.

为了开展人造卫星激光测距工作的实际需要,探索了一种拦截人造卫星的方法.特点是利用较早的轨道根数或观测资料,在单台站有可能以较短的时间内拦截到卫星.我们利用一、二年前的卫星资料先后拦截到Geos 2和Lageos等卫星.

 
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