| 导航卫星系统功率增强技术与覆盖范围研究 |
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| 引用本文： | 孙进,初海彬,董海青,秦红磊,陈忠贵.导航卫星系统功率增强技术与覆盖范围研究[J].测绘学报,2011(Z1):80-84. |
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| 作者姓名： | 孙进 初海彬 董海青 秦红磊 陈忠贵 |
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| 作者单位： | 中国空间技术研究院;北京航空航天大学; |
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| 摘 要： | 基于国内外导航卫星功率增强设计的研究,在系统层面上仿真分析我国导航卫星系统中的GEO卫星在不同的仰角下天线波束的地面覆盖区域。在对功率增强技术分析的基础上,着重研究我国导航卫星系统的功率增强信号的覆盖范围,给出10 dB、15 dB、20 dB、25 dB不同功率增强要求下,地面接收功率、天线波束覆盖范围的仿真分析,提出功率增强要求对于卫星的约束条件。并从地面接收信号强度、功率增强的覆盖范围、功率增强技术的实现难度、导航卫星系统的多普勒碰撞问题方面进行的我国导航卫星系统与GPSⅢ系统性能对比。
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| 关 键 词： | 导航卫星 功率增强 覆盖范围 地球静止轨道 |
Research on Power-enhanced Technology and Coverage Areas of Global Navigation Satellites |
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| SUN Jin,CHU Haibin,DONG Haiqing,QIN Honglei ,CHEN Zhonggui .China Academy of Space Technology,Beijing ,China.Research on Power-enhanced Technology and Coverage Areas of Global Navigation Satellites[J].Acta Geodaetica et Cartographica Sinica,2011(Z1):80-84. |
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| Authors: | SUN Jin CHU Haibin DONG Haiqing QIN Honglei CHEN Zhonggui China Academy of Space Technology Beijing China |
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| Institution: | SUN Jin1,CHU Haibin1,DONG Haiqing1,QIN Honglei 2,CHEN Zhonggui1 1.China Academy of Space Technology,Beijing 100094,China,2.Beijing University of Aeronautics and Astronautics,Beijing 100083 |
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| Abstract: | Based on in-depth research of power-enhancement of domestic and international navigation satellites,the coverage areas of GEO satellites' antenna beam under different angles of elevation are analyzed.On the basis of analysis and demonstration of power-enhanced technology and program,this paper mainly discussed the power-enhanced signal's coverage areas of our global navigation satellite.It gave out simulations of ground receiving power and antenna beam coverage,under different power-enhancement requirements... |
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| Keywords: | navigation satellites power-enhancement coverage area GEO |
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