Research on DOA of HF Backscatter Sounding

ZHANG Cheng-feng; WANG Shi-kai; HUA Cai-cheng; LI Qiang

doi:10.3969/j.issn.0372-2112.2020.09.027

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Research on DOA of HF Backscatter Sounding

更新时间：2025-12-08

- Research on DOA of HF Backscatter Sounding
- Acta Electronica Sinica Vol. 48, Issue 9, Pages: 1868-1872(2020)
- 作者机构：
  
  中国电波传播研究所,山东,青岛,266107
- 作者简介：
- 基金信息：
  
  Technology Foundation of National Defense (No.JSHS2016210C009, No.JSHS2018210A001)
- DOI：10.3969/j.issn.0372-2112.2020.09.027
  CLC： TN011
- Published Online：25 September 2020，
  
  Published：2020
- 稿件说明：
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ZHANG Cheng-feng, WANG Shi-kai, HUA Cai-cheng, et al. Research on DOA of HF Backscatter Sounding[J]. Acta Electronica Sinica, 2020, 48(9): 1868-1872.
DOI：

ZHANG Cheng-feng, WANG Shi-kai, HUA Cai-cheng, et al. Research on DOA of HF Backscatter Sounding[J]. Acta Electronica Sinica, 2020, 48(9): 1868-1872. DOI： 10.3969/j.issn.0372-2112.2020.09.027.

摘要

根据返回散射电离层回波特性，提出了基于Capon波束形成、对角加载以及加窗技术的返回散射回波DOA（Direction Of Arrival）估计的方法.利用"L"型短波二维天线接收阵列实现了返回散射电离层回波到达角的探测，获得频率-群路径-回波仰角电离图，收发站的直达波信号和准垂测信号的DOA估计结果验证了探测系统的准确性.

Abstract

According to the ionospheric backscatter echoes characteristics

a method of DOA (Direction Of Arrival) estimation based on Capon beamforming

diagonal loading and windowing technology is proposed. The arrival angle of backscatter echoes is obtained by using the "L" type short wave two-dimensional receiving array. The frequency-group-elevation ionogram is obtained. The accuracy of the backscatter system is verified by the DOA estimation of direct wave and quasi-vertical signals.

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