THz 3-D Image Formation Using SAR Techniques: Simulation, Processing and Experimental Results

被引：63
|
作者：
Ding, Jinshan [1 ]
Kahl, Matthias [2 ]
Loffeld, Otmar [1 ]
Bolivar, Peter Haring [2 ]
机构：
[1] Univ Siegen, Ctr Sensorsyst ZESS, D-57068 Siegen, Germany
[2] Univ Siegen, Inst High Frequency & Quantum Elect HQE, D-57068 Siegen, Germany
来源：
IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY | 2013年 / 3卷 / 05期
关键词：
Submillimeter imaging; synthetic aperture; terahertz (THz) imaging; THz radar; RADAR; SYSTEMS;
D O I：
10.1109/TTHZ.2013.2271298
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An active frequency-modulated continuous wave (FMCW) terahertz (THz) system has been developed to image objects in millimeter-scale resolution in three dimensions. The two-dimensional (2-D) aperture synthesis enables the improvement of cross range resolution, and its high range resolution is achieved through the use of the broadband sweep signal, whose frequency ranges from 514 to 565 GHz. The 3-D data are sufficiently focused by the wavenumber domain approach derived for the dechirped data. We present the THz 3-D imaging strategy using synthetic aperture radar (SAR) techniques, the related theoretical background and the experimental results in this paper.
引用
收藏
页码：606 / 616
页数：11
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