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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.6
- 수록면
- 322 - 328 (7page)
이용수
초록· 키워드
오류제보하기
In this paper, a pretreatment method for a matrix in convex optimization is proposed to optimize the spectral reconstruction process of a disordered dispersion spectrometer. Unlike the reconstruction process of traditional spectrometers using Fourier transforms, the reconstruction process of disordered dispersion spectrometers involves solving a large-scale matrix equation. However, since the matrices in the matrix equation are obtained through measurement, they contain uncertainties due to out of band signals, background noise, rounding errors, temperature variations and so on. It is difficult to solve such a matrix equation by using ordinary nonstationary iterative methods, owing to instability problems. Although the smoothing Tikhonov regularization approach has the ability to approximatively solve the matrix equation and reconstruct most simple spectral shapes, it still suffers the limitations of reconstructing complex and irregular spectral shapes that are commonly used to distinguish different elements of detected targets with mixed substances by characteristic spectral peaks. Therefore, we propose a special pretreatment method for a matrix in convex optimization, which has been proved to be useful for reducing the condition number of matrices in the equation. In comparison with the reconstructed spectra gotten by the previous ordinary iterative method, the spectra obtained by the pretreatment method show obvious accuracy.
목차
Ⅰ. INTRODUCTION
Ⅱ. OPERATION PRINCIPLES OF THE SPECTROMETER
Ⅲ. OPTIMIZATION ALGORITHM
Ⅳ. EXPERIMENTAL RESULTS
Ⅴ. CONCLUSION
REFERENCES
참고문헌 (22)
참고문헌 신청
J. M. Pearce / 2015 / Analysis of phospholipid molecular species in brain by 31P NMR spectroscopy / Mag. Resonan. Med 44:215~223
Y. Zhou / 2019 / Combined spatial frequency spectroscopy analysis with visible resonance Raman for optical biopsy of human brain metastases of lung cancers / J. Innovative Opt. Health Sci 12:1950010
A. Kuze / 2009 / Thermal and near infrared sensor for carbon observation Fourier-trans form spectrometer on the greenhouse gases observing satellite for greenhouse gases monitoring / Appl. Opt 48:6716~6733
C. Hu / 2012 / Dynamic range and sensitivity re-quirements of satellite ocean color sensors: learning from the past / Appl. Opt 51:6045~6062
P. Mouroulis / 2014 / Portable remote imaging spectrometer coastal ocean sensor: design, characteristics, and first flight results / Appl. Opt 53:1363~1380
Y. Zhou / 2019 / Combined spatial frequency spectroscopy analysis with visible resonance Raman for optical biopsy of human brain metastases of lung cancers / J. Innovative Opt. Health Sci 12:1950010
A. Kuze / 2009 / Thermal and near infrared sensor for carbon observation Fourier-trans form spectrometer on the greenhouse gases observing satellite for greenhouse gases monitoring / Appl. Opt 48:6716~6733
C. Hu / 2012 / Dynamic range and sensitivity re-quirements of satellite ocean color sensors: learning from the past / Appl. Opt 51:6045~6062
P. Mouroulis / 2014 / Portable remote imaging spectrometer coastal ocean sensor: design, characteristics, and first flight results / Appl. Opt 53:1363~1380
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