Application of NUFFT to Terahertz FMCW 3-D imaging

Terahertz (THz) imaging technology has been widely applied to the fields of security inspection, nondestructive testing. In this paper, the application of nonuniform fast Fourier transform(NUFFT)to the developed THz 3-D imaging system, which combines the advantages of THz and frequency modulation co...

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Published in2016 IEEE International Conference on Microwave and Millimeter Wave Technology (ICMMT) Vol. 2; pp. 952 - 954
Main Authors Wu Li, Ge LingYu, Chang QingGong, Peng ShuSheng
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.06.2016
Subjects
Algorithm design and analysis
Fourier transforms
Image reconstruction
Imaging
Interpolation
Radar imaging
Synthetic aperture radar
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Abstract Terahertz (THz) imaging technology has been widely applied to the fields of security inspection, nondestructive testing. In this paper, the application of nonuniform fast Fourier transform(NUFFT)to the developed THz 3-D imaging system, which combines the advantages of THz and frequency modulation continuous wave (FMCW) signal, is investigated. The presented image reconstruction algorithm can increase computational efficiency compared with the conventional Omega-K (ωK) algorithm. The experimental results are illustrated to demonstrate the developed THz FMCW 3-D imaging system and the presented imaging method.
AbstractList Terahertz (THz) imaging technology has been widely applied to the fields of security inspection, nondestructive testing. In this paper, the application of nonuniform fast Fourier transform(NUFFT)to the developed THz 3-D imaging system, which combines the advantages of THz and frequency modulation continuous wave (FMCW) signal, is investigated. The presented image reconstruction algorithm can increase computational efficiency compared with the conventional Omega-K (ωK) algorithm. The experimental results are illustrated to demonstrate the developed THz FMCW 3-D imaging system and the presented imaging method.
Author Wu Li
Ge LingYu
Chang QingGong
Peng ShuSheng
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  fullname: Ge LingYu
  organization: Sch. of Electron. & Opt. Eng., Nanjing Univ. of Sci. & Tech., Nanjing, China
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  surname: Chang QingGong
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  organization: Sci. & Technol. on Electron. Test & Meas. Lab., Qingdao, China
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  surname: Peng ShuSheng
  fullname: Peng ShuSheng
  organization: Sch. of Electron. & Opt. Eng., Nanjing Univ. of Sci. & Tech., Nanjing, China
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Snippet Terahertz (THz) imaging technology has been widely applied to the fields of security inspection, nondestructive testing. In this paper, the application of...
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StartPage 952
SubjectTerms Algorithm design and analysis
Fourier transforms
Image reconstruction
Imaging
Interpolation
Radar imaging
Synthetic aperture radar
Title Application of NUFFT to Terahertz FMCW 3-D imaging
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