Fast Range Decoupling Algorithm for Metamaterial Aperture Real-time Imaging

Authors

  • Yuteng Gao School of Electronics and Information, Northwestern Polytechnical University, Xi’an, 710129, China
  • Wencan Peng Xi’an Institute of Space Radio Technology, (CASC, Xi’an), Xi’an, 710100, China
  • Min Wang National Lab of Radar Signal Processing, Xidian University, Xi’an, 710071, China
  • Chenjiang Guo School of Electronics and Information, Northwestern Polytechnical University, Xi’an, 710129, China
  • Jun Ding School of Electronics and Information, Northwestern Polytechnical University, Xi’an, 710129, China

Keywords:

millimeter-wave imaging, metamaterial apertures, compressed sensing, decoupling

Abstract

While metamaterial aperture imaging systems do not require mechanical scanning equipment or complex components by employing a spatially variant radiation field, they require large amount of data and many computations. In this paper, we deduce the contribution of the resonator to the radiation fields of the metamaterial aperture. We propose a fast range decoupling algorithm that can improve the data processing speed and obtain real-time images of far-field scenes. The algorithm decomposes the scene into numerous range cells, drastically reduces the range of interest, and reconstructs the scene in parallel. Simulation results show that computational cost is significantly decreased and image quality is maintained.

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Author Biographies

Yuteng Gao, School of Electronics and Information, Northwestern Polytechnical University, Xi’an, 710129, China

Yuteng Gao was born in Shannxi Province, China, in 1988. He received the B.S. and M.S degree in School of Electronics and Information, Northwestern Polytechnical University in Xi’an City, China, in 2010 and 2013 respectively. He is presently working on his Ph.D. degree in School of Electronics and Information, Northwestern Polytechnical University in Xi’an City, China. His research interests include milimeter wave, antenna design and radar imaging.

Wencan Peng, Xi’an Institute of Space Radio Technology, (CASC, Xi’an), Xi’an, 710100, China

Wencan Peng was born in Hubei Province, China, in 1987. She received the B.S. degree in School of Measuring and Optical Engineering, Nanchang Hangkong University in Nanchang City, China, in 2010. Then,she received the M.S. and Ph.D. degree in School of Electronics and Information, Northwestern Polytechnical University in Xi’an City, China, in 2013 and 2020 respectively. Now, she is working with Payload Research Center, Academy of Space Information System (CASC Xi’an). Her research interests include: array signal processing and array calibration.

Min Wang, National Lab of Radar Signal Processing, Xidian University, Xi’an, 710071, China

Min Wang (IEEE Member), received the B.S. degree from Xidian Univ. China in 2000; M.S. and Ph.D. degrees in Signal and Information Processing from Xidian Univ., Xi’an China, in 2003 and 2005 respectively. He is working with National Lab of Radar Signal Processing in Xidian University. His research interests include sparse signal processing, miliwave/Terahertz radar and high resolution radar imaging.

Chenjiang Guo, School of Electronics and Information, Northwestern Polytechnical University, Xi’an, 710129, China

Chenjiang Guo was born in Shannxi Province, China, in 1963. CIE Senior Member, Antenna Society Committee Member. He received the B.S., M.S. and Ph.D. in School of Electronics and Information, Northwestern Polytechnical University in Xi’an City, China, in 1984, 1987 and 2007 respectively. He is a Professor in School of Electronics and Information NWPU. His research interests include: array signal processing, theory and design of antenna.

Jun Ding, School of Electronics and Information, Northwestern Polytechnical University, Xi’an, 710129, China

Jun Ding, received her B.Eng. degree in Electronic Engineering in 1986 from Northwestern Polytechnical University (NWPU). She obtained her M.S. degree in Electromagnetic Fields and Microwave Techniques in 1989 from the NWPU. In 2005, she received her Ph.D. degree in Circuits and Systems from the NWPU. She is now a Professor of Electromagnetic Fields and Microwave Techniques in the NWPU. Her research interests include electromagnetic calculation, antenna theory and design, microwave circuit design, and electromagnetic compatibility (EMC).

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Published

2021-10-21

How to Cite

[1]
Y. . Gao, W. . Peng, M. . Wang, C. . Guo, and J. . Ding, “Fast Range Decoupling Algorithm for Metamaterial Aperture Real-time Imaging”, ACES Journal, vol. 36, no. 08, pp. 953–963, Oct. 2021.

Issue

2021: Vol 36 Iss 8

Section

Articles