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Журнал с 01.12.2015 допущен ВАК для публикации основных результатов диссертаций как издание, входящее в международные реферативные базы систем цитирования (Web Science, Scopus) (см. Vak.ed.gov.ru Перечень журналов МБД 16.03.2018г)

Аннотации (08.2021) : STUDY ON THE KEY TECHNOLOGY OF GHOST IMAGING BASED ON ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING

STUDY ON THE KEY TECHNOLOGY OF GHOST IMAGING BASED ON ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING

© 2021    Ye Hualong*, Zhang Leihong**, Wang Kaimin*, Zhang Dawei*,***

*     School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China

**   College of communication and art design, University of Shanghai for Science and Technology, Shanghai 200093, China

*** Shanghai Institute of Intelligent Science and Technology, Tongji University, Shanghai 200092, China

E-mail: lhzhang@usst.edu.cn

Submitted 21.02.2021

DOI:10.17586/1023-5086-2021-88-08-20-31

The paper studies and analyzes the principle of orthogonal frequency division multiplexing and ghost imaging. On the basis of studying the mechanism of orthogonal frequency division multiplexing, this paper further studies the ghost imaging technology, to uncover the imaging mechanism of ghost imaging using orthogonal frequency division multiplexing. The main purpose is to reconstruct the ghost imaging by using the spread spectrum principle of orthogonal frequency division multiplexing, and to verify the signal-to-noise ratio and anti-interference ability of the ghost imaging system based on orthogonal frequency division multiplexing. The spatial distribution and spectrum of different modulation matrices and the reconstruction results are analyzed in detail. In the algorithm of ghost imaging based on OFDM, orthogonal matrix as the modulation matrix. And using the orthogonal property of this matrix, the reconstruction signal can be solved only if the receiving end matches the sending ortho-intersection matrix strictly. From the detailed analysis of the spatial distribution, spectrum and reconstruction results of different modulation matrices, it is concluded that the signal-to-noise ratio and anti-interference capability of the ghost imaging system based on OFDM are improved by combining the technology advantages of OFDM. The significance is to theoretically promote the development of information communication.

Keywords: orthogonal frequency division multiplexing, ghost imaging, orthogonal matrix, information reconstruction.

OCIS codes: 330.0330

 

 

Исследование технологии создания фантомных изображений на основе мультиплексирования с ортогональным частотным разделением каналов

© 2021 г. Ye Hualong, Zhang Leihong, Wang Kaimin, Zhang Dawei

Исследована технология создания и восстановления фантомных изображений с использованием принципа мультиплексирования с ортогональным частотным разделением. Рассмотрена и показана возможность повышения отношения сигнал/шум и помехоустойчивости системы фантомного изображения. Полученные результаты расширяют теоретический базис информационных коммуникаций.

Ключевые слова: мультиплексирование с ортогональным частотным разделением, фантомное изображение, ортогональная матрица, восстановление информации.

 

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