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Phase Shift Migration with Modified Coherent Factor Algorithm for MIMO-SAR 3D Imaging in THz Band

Guan Yang, Chao Li, Shiyou Wu, Shen Zheng, Xiaojun Liu, Guangyou Fang
2021 Remote Sensing  
In this paper, a phase shift migration (PSM) imaging algorithm based on the explosion reflection model with modified coherent factor was proposed for sidelobe suppression in MIMO-SAR three-dimensional  ...  Finally, a bistatic prototype imaging system in the 0.3 THz band was designed for the proof-of-principle experiments.  ...  Acknowledgments: The authors would like to thank the editors and reviewers for their efforts to help the publication of this work. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs13224701 fatcat:rm6d2rs6b5hvvahblwfrd6t7zq

Study of the Extended Phase Shift Migration for Three-dimensional MIMO-SAR Imaging in Terahertz Band

Hang Gao, Chao Li, Shiyou Wu, Hebin Geng, Shen Zheng, Xiaodong Qu, Guangyou Fang
2020 IEEE Access  
In this paper, the extended phase shift migration (PSM) for three-dimensional (3-D) multiinput-multi-output synthetic aperture radar (MIMO-SAR) imaging in terahertz (THz) band was studied.  ...  INDEX TERMS Terahertz (THz), three-dimensional imaging, multi-input-multi-output synthetic aperture radar (MIMO-SAR), phase shift.  ...  In this paper, the phase shift migration was studied for the MIMO-SAR reconstruction with high efficiency, and high accuracy, which is also suitable for more complex imaging scenes such as image reconstruction  ... 
doi:10.1109/access.2020.2965189 fatcat:lbbfbdcpgvfrtjrjkzzdscmklm

Survey on Aerial Radio Access Networks: Toward a Comprehensive 6G Access Infrastructure [article]

Nhu-Ngoc Dao, Quoc-Viet Pham, Ngo Hoang Tu, Tran Thien Thanh, Vo Nguyen Quoc Bao, Demeke Shumeye Lakew, Sungrae Cho
2021 arXiv   pre-print
First, we investigate related work to identify areas for further exploration in terms of recent knowledge advancements and analyses. Second, we define the scope and methodology of this study.  ...  Then, we describe ARAN architecture and its fundamental features for the development of 6G networks.  ...  The joint optimization of a UAV's trajectory, RIS scheduling, and RIS phase shift matrix was also considered in this contribution.  ... 
arXiv:2102.07087v2 fatcat:wbur5jckk5b43lo75dmzlxiiy4

Physical Principles for Scalable Neural Recording [article]

Adam H. Marblestone, Bradley M. Zamft, Yael G. Maguire, Mikhail G. Shapiro, Thaddeus R. Cybulski, Joshua I. Glaser, Dario Amodei, P. Benjamin Stranges, Reza Kalhor, David A. Dalrymple, Dongjin Seo, Elad Alon (+6 others)
2013 arXiv   pre-print
We also study the physics of powering and communicating with microscale devices embedded in brain tissue.  ...  Simultaneously measuring the activities of all neurons in a mammalian brain at millisecond resolution is a challenge beyond the limits of existing techniques in neuroscience.  ...  brain: this can be accomplished in many ways, leading to a variety of architectures for 3D imaging.  ... 
arXiv:1306.5709v7 fatcat:dhukiy7oizcdzezwzvxisvvgge

Physical principles for scalable neural recording

Adam H. Marblestone, Bradley M. Zamft, Yael G. Maguire, Mikhail G. Shapiro, Thaddeus R. Cybulski, Joshua I. Glaser, Dario Amodei, P. Benjamin Stranges, Reza Kalhor, David A. Dalrymple, Dongjin Seo, Elad Alon (+6 others)
2013 Frontiers in Computational Neuroscience  
We also study the physics of powering and communicating with microscale devices embedded in brain tissue and find that, while radio-frequency electromagnetic data transmission suffers from a severe power-bandwidth  ...  For example, unconventional methods for delivering electrodes may enable unprecedented numbers of recording sites, embedded optical devices could allow optical detectors to be placed within a few scattering  ...  Dean and the participants in his CS379C course at Stanford/Google, including Chris Uhlik and Akram Sadek, for helpful discussions and informative content in the discussion notes (http://www.stanford.edu  ... 
doi:10.3389/fncom.2013.00137 pmid:24187539 pmcid:PMC3807567 fatcat:tariazhwqneanbi52cjh2rw7lu

COREnect D3.3. Initial COREnect industry roadmap [article]

AUSTRALO
2021 Zenodo  
Above 100 GHz we address the spectrum as the sub-THz band. Designing transceivers that use carrier frequencies in the sub-THz band is challenging for the active devices.  ...  More complex 2D,3D, 4D sensors can be using Lidar, radar, CMOS Image sensors, thermal imaging, etc., or a combination of several sensors.  ...  Appendix The COREnect roadmap activities strongly rely on interactions with experts in the field.  ... 
doi:10.5281/zenodo.5075317 fatcat:ww7icphzfjcdjlxbsbo2qekghy

Compressive Sensing and Its Applications in Automotive Radar Systems [article]

Zora Slavik, Universitaet Tuebingen, Bringmann, Oliver (Prof. Dr.)
2020
One aspect is to increase efficiency and robustness in signal acquisition and processing for radar perception.  ...  With having no human supervisors, automated vehicles have to rely on capable and robust sensor systems to ensure adequate reactions in critical situations, even during adverse conditions.  ...  Therefore, it seems almost natural to apply CS for imaging SAR after being applied successfully in image processing.  ... 
doi:10.15496/publikation-48249 fatcat:ktxdtxhxs5fkdhxi4ys5fx7pmi

Chronicle: JOINT CONFERENCE – ACOUSTICS 2018

2018
Basing on the channel impulse response the coherent band and coherent time are determined. The research was conducted in laboratory basins, lake and harbour.  ...  to meet the demand of high data throughput a migration towards the very high frequency band (>100 kHz) will be necessary.  ...  studies of instruments with modified structure.  ... 
doi:10.24425/123927 fatcat:ogznhfdzj5bnhhentwbeqzxjue