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      Terahertz Radar Imaging Based on Time-domain Spectroscopy

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          Abstract

          This study uses time domain terahertz radar system to discuss systematic imaging studies on the scaled models based on the improved Back-Projection (BP) algorithm. We image the scaled models with different shapes and are able to distinguish spatial gaps as small as 6 mm. The Theoretical calculation predicts that the lateral resolution and the axial resolution can be as high as 0.125 mm. Center enhancement and background rings caused by the algorithm in the imaging results are also qualitatively analyzed and are proposed methods to overcome this problem.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 April 2015
          : 4
          : 2
          : 222-229
          Affiliations
          [1 ] ①(College of Precision Instrument and Opto-Electronics Engineering, Tianjin University, Tianjin 300072, China) ②(Key Laboratory of Opto-Electronics Information and Technical Science, Ministry of Education, Tianjin 300072, China)
          [2 ] ③(School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China)
          [3 ] ①(College of Precision Instrument and Opto-Electronics Engineering, Tianjin University, Tianjin 300072, China)③(School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China)
          Article
          a7437f01baa848e398ed026be0144c97
          10.12000/JR14125

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Categories
          Technology (General)
          T1-995

          Remote sensing, Electrical engineering

          Imaging, Back-Projection (BP) algorithm, Radar, Terahertz

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