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首页> 外文期刊>IEEE Transactions on Instrumentation and Measurement >Adaptive Time Taps of STAP Under Channel Mismatch for GNSS Antenna Arrays
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Adaptive Time Taps of STAP Under Channel Mismatch for GNSS Antenna Arrays

机译:GNSS天线阵列信道不匹配下STAP的自适应时间抽头

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摘要

Although antenna arrays can effectively suppress interference and maintain the navigation signal integrity, interference suppression performance is limited by channel mismatch. However, a space-time adaptive processor (STAP) can reduce channel mismatch by introducing time taps within each element, which will further suppress the interference and improve the performance. However, interference suppression depends significantly on the number of time taps. This paper presents a proportion differentiation (PD) algorithm for the adaptive control of time taps based on the antenna arrays output power is presented. The effectiveness of the proposed algorithm is verified through simulations and measured data. The STAP with adaptive time taps has achieved excellent performance for interference suppression performance without increasing the computational load.
机译:尽管天线阵列可以有效地抑制干扰并保持导航信号的完整性,但是干扰抑制性能受到信道失配的限制。但是,空时自适应处理器(STAP)可以通过在每个元素中引入时间抽头来减少信道不匹配,这将进一步抑制干扰并提高性能。但是,干扰抑制在很大程度上取决于抽头的次数。提出了一种基于天线阵列输出功率的时间差自适应控制的比例微分(PD)算法。通过仿真和实测数据验证了所提算法的有效性。具有自适应时间抽头的STAP在不增加计算负荷的情况下,具有出色的抗干扰性能。

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  • 作者单位

    College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China;

    College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China;

    College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China;

    College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China;

    College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Arrays; Adaptation models; Data models; Adaptive arrays; Interference suppression;

    机译:数组;适应模型;数据模型;自适应数组;干扰抑制;

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