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Structural Correlation between Signal and CW Interference in DS/SS Systems with Non-Linearity

机译:非线性DS / SS系统中信号与CW干扰之间的结构相关性

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摘要

Spread spectrum (SS) systems are well known to have high immunity against narrowband interference. However, it has been shown that structural correlation exists between SS signal and continuous wave (CW) interference, which will degrade the system performance. In particular, for a direct sequence SS (DS/SS) system with linear input structure, a maximum reduction of about 3-5 dB on SNR is observed [1]. The aim of this paper is to extend this study for systems with non-linearity. The introduction of non-linearity will redistribute the power among the signal and interference and destroy the time-determined structure of CW interference.
机译:众所周知,扩频(SS)系统具有很高的抗窄带干扰能力。但是,已经显示出SS信号和连续波(CW)干扰之间存在结构相关性,这将降低系统性能。特别是,对于具有线性输入结构的直接序列SS(DS / SS)系统,观察到SNR的最大降低约3-5 dB [1]。本文的目的是将这项研究扩展到非线性系统。非线性的引入将在信号和干扰之间重新分配功率,并破坏CW干扰的时间确定结构。

著录项

  • 来源
  • 会议地点 Venice(IT);Venice(IT)
  • 作者单位

    Department of Computer Science and Electrical Engineering The University of Queensland St. Lucia, QLD 4072, Australia;

    Department of Computer Science and Electrical Engineering The University of Queensland St. Lucia, QLD 4072, Australia;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 TN927.2;
  • 关键词

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