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GNSS无线电掩星大气探测系统干扰抑制的子空间投影方法 被引量：2

The Subspace Projection in Interference Suppression of GNSS Radio Obscuration Atmosphere Detection System
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摘要 根据GNSS卫星信号之间互相关的特点,提出利用子空间投影进行干扰抑制的算法,并对该算法进行分析与改进,利用系统的输出信干噪比和误码率对算法的精确性进行了评估。通过对仿真结果的分析,验证算法可降低误差对干扰抑制性能的影响,并减少计算量。 According to the cross correlation characteristic of GNSS satellite signal,the algorithm adopting the subspace projection in interference suppression is put forward,and the improved algorithm is analyzed.The algorithm s accuracy is appraised using the SINR and error rate of the systematic output signal.Through analyzing the simulated result,the influence of the error on interference suppression performance is reduced,as well as the computation is decreased largely.
作者 张建军 袁洪 王宪
机构地区 中国科学院光电研究院 平顶山工学院
出处 《测绘学报》 EI CSCD 北大核心 2009年第5期422-427,共6页 Acta Geodaetica et Cartographica Sinica
关键词 GNSS掩星 干扰抑制 子空间投影 GNSS obscuration interference suppression subspace projection
分类号 TN958.97 [电子电信—信号与信息处理]
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参考文献14

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同被引文献7

  • 1Mannucci A. J.,Ao C. O.,Pi X.,Iijima B. A.The impact of large scale ionospheric structure on radio occultation retrievals[J].Atmospheric Measurement Techniques.2011(26)
  • 2Zhang K.,Fu E.,Silcock D.,Wang Y.,Kuleshov Y.An investigation of atmospheric temperature profiles in the Australian region using collocated GPS radio occultation and radiosonde data[J].Atmospheric Measurement Techniques.2011(24)
  • 3Foelsche U.,Scherllin-Pirscher B.,Ladst?dter F.,Steiner A. K.,Kirchengast G.Refractivity and temperature climate records from multiple radio occultation satellites consistent within 0.05%[J].Atmospheric Measurement Techniques.2011(23)
  • 4M. Mainul Hoque,N. Jakowski.Higher order ionospheric propagation effects on GPS radio occultation signals[J].Advances in Space Research.2010(2)
  • 5曲建光,郝燕玲.上边界的选取对GPS掩星反演结果影响的分析[J].测绘通报,2008,0(3):12-14. 被引量：2
  • 6谢欢欢,杨伯朝.基于差分进化算法的阵列天线波束赋形研究[J].现代导航,2012,3(3):219-224. 被引量：4
  • 7周云林.一种相位中心稳定的层叠双频导航天线设计[J].太赫兹科学与电子信息学报,2016,14(4):596-598. 被引量：7

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测绘学报
2009年 第5期

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