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GTD-Based Model of Terahertz Radar Scattering Center Distance Estimation Method

机译:基于GTD的太赫兹雷达散射中心距离估计方法模型

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摘要

A large increase in terahertz radar resolution under large bandwidth condition is particularly important for one-dimensional distance projection method to obtain more extensive information about the target feature. This chapter presents the details of a terahertz radar echo data model in terms of the geometrid theory of diffraction concept. The MUSIC spectral estimation algorithm in the implementation process is discussed. Finally, the MUSIC spectral estimation algorithm from the estimated scattering center projections and at different signal-to-noise ratios is simulated. The results obtained exhibited high precision, and noise immunity was better, which proves the effectiveness of the spectral estimation using MUSIC algorithm.
机译:在大带宽条件下,太赫兹雷达分辨率的大幅提高对于一维距离投影方法获取有关目标特征的更多信息尤为重要。本章根据衍射概念的几何理论,详细介绍了太赫兹雷达回波数据模型。讨论了实现过程中的MUSIC频谱估计算法。最后,从估计的散射中心投影和不同信噪比模拟了MUSIC光谱估计算法。所得结果具有较高的精度,抗噪性较好,证明了使用MUSIC算法进行频谱估计的有效性。

著录项

  • 来源
  • 会议地点 Beijing(CN);Beijing(CN)
  • 作者单位

    School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu, China;

    School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu, China;

    School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu, China;

    School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu, China;

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

    terahertz; MUSIC algorithm; GTD model; Distance from the scattering center;

    机译:太赫兹MUSIC算法; GTD模型;距散射中心的距离;

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