Application of Modified Space-Time Adaptive Processing in Sonar

LU Wei;WANG Zhi-jie;LI Jian-chen;WANG Ming-zhou;HU Qiao;YANG Bao-min

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  • Sponsored by: China Association for Science and Technology (CAST)

    Editor-In-Chief: Xu Yida

    ISSN 1000-1093

    　

  • Hosted By: China Ordnance Society

    Published By: Acta Armamentarii

    CN 11-2176/TJ

Acta Armamentarii, a Chinese monthly journal, was first published in 1979. The journal is supervised by China Association for Science and Technology, sponsored by China Ordnance Society，and edited and published by Editorial Board of Acta Armamentarii. The Journal is included in all important domestic databases，and also collected by Engineering Index (EI, USA), Chemical Abstracts (CA, USA), Science Abstracts (SA, UK）, Abstract Journal (AJ, Russia), and Current Bibliography on Science and Technology(CBST).Acta Armamentarii has been selected into the journal Of Ordnance Science and Technology (Weapons Industry) Field Of High Quality Scientific and Technological Periodical Classification Catalogue (2022 edition), ranking T1, and the journal of Automotive Engineering Field of High Quality Scientific and technological Periodical classification Catalogue, ranking T2.
Acta Armamentarii ›› 2012, Vol. 33 ›› Issue (8) : 944-950. DOI: 10.3969/j.issn.1000-1093.2012.08.008
Paper

Application of Modified Space-Time Adaptive Processing in Sonar

  • LU Wei1,2, WANG Zhi-jie1, LI Jian-chen1,2, WANG Ming-zhou1,2, HU Qiao1,2, YANG Bao-min1,2
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Abstract

In order to solve the problem of anti-reverberation in shallow water, a modified method of space-time adaptive processing (STAP) for sonar was proposed. Firstly, the principle of STAP was analyzed according to the echo model of radar. Secondly, comparing the echo model of sonar with radar, the space-time coupling guiding vector was used in space-time processing. Finally, the proposed method was applied in optimization processing and object detection. The simulation results illustrate that the modified method is beneficial to underwater object detection, and the application of space-time coupling guiding vector can increase the accuracy of the direction estimation of targets.

Key words

information processing technique / reverberation / space-time adaptive processing / echo signal model / space-time coupling term

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LU Wei, WANG Zhi-jie, LI Jian-chen, WANG Ming-zhou, HU Qiao, YANG Bao-min. Application of Modified Space-Time Adaptive Processing in Sonar. Acta Armamentarii. 2012, 33(8): 944-950 https://doi.org/10.3969/j.issn.1000-1093.2012.08.008

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