Upsampling Based Back Projection Imaging algorithm for Multi-receiver Synthetic Aperture Sonar

DOI

10.2991/iiicec-15.2015.355How to use a DOI?

Keywords

synthetic aperture sonar; multi-receiver; zero-padding in frequency domain; back projection algorithm; range migration correction.

Abstract

In order to solve problems including the interpolation error, the distortion of phase information and the huge computational costs by using classical truncated-interpolation based back projection (BP) algorithm for multi-receiver synthetic aperture sonar (SAS), a novel BP algorithm is proposed by exploiting zero-padding in frequency domain, which is equivalent to interpolation in time domain. The presented algorithm firstly implements Fourier transform to echoed signal of each receiver, and then does the range cell migration correction (RCMC) considering the influence of the non “stop-and-hop” for each pixel in imaging scenario based on zero-padding in frequency domain and rounding in time domain. Finally, simulation and lake trial results further validate the performance of the proposed method.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Xianhua Wang
AU  - Xuebo Zhang
AU  - Sanwen Zhu
PY  - 2015/03
DA  - 2015/03
TI  - Upsampling Based Back Projection Imaging algorithm for Multi-receiver Synthetic Aperture Sonar
BT  - Proceedings of the 2015 International Industrial Informatics and Computer Engineering Conference
PB  - Atlantis Press
SP  - 1610
EP  - 1615
SN  - 2352-538X
UR  - https://doi.org/10.2991/iiicec-15.2015.355
DO  - 10.2991/iiicec-15.2015.355
ID  - Wang2015/03
ER  -