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Noise Equivalent Differential Temperature of Passive FTIR Sensor System

수동형 퓨리에변환 적외선 분광기의 잡음등가온도지수

  • Received : 2011.01.17
  • Accepted : 2011.03.25
  • Published : 2011.04.05

Abstract

The passive open-path Fourier-Transform-Infrared system was implemented for the toxic gas monitoring. Noise Equivalent Differential Temperature(NEDT) was investigated as a system performance evaluation figure and analyzed numerically with the designed parameters. Calculated NEDT was compared with the experimental value in the wavelength region of $700{\sim}1400cm^{-1}^$. The minimum detectable gas concentration was estimated from the obtained NEDT at the absorption wavelength of $SF_6$.

Keywords

References

  1. MODIS(Moderate Resolution Imaging Spectrometer) UCSB Emissivity Libery, http://www.icess.ucsb.edu/modis/EMIS/html/em.html.
  2. Edwin P. Przybylowicz, et al., "Testing and Evaluation of Standoff Chemical Agent Detectors", The National Academies Press, Washington D.C., p. 13, 2003.
  3. Julia H. Rentz and James R. Engel, "Passive Spectro-Radiometer Calibration: Radiance Responsivity, Sensitivity, and Radiation Reference", OPTRA, Inc.
  4. Peter R. Griffiths, James A. de Haseth, "Fourier Transform Infrared Spectrometry", John Wiley & Sons, New Jersey. p. 161(second Ed. 2007).
  5. 김동환, 김영운, 강영일, 최명진, 박병황, 박도현, 이석구, "원거리 가스탐지를 위한 퓨리에변환 분광기의 시스템 성능지수", 한국군사과학기술학회 종합학술대회 논문집, 2010. 6.
  6. Claes Nelsson, Frans Lundberg, Par Nilsson, Mattias Berglund, "ScanSpec : An Imaging FTIR Spectrometer", SPIE. Vol. 4029, pp. 324-336, 2000.
  7. Andreas Beil, Rainer Daum, Roland Harig, and Gerhard Matz, "Remote Sensing of Atmospheric Pollution by Passive FTIR Spectrometry", SPIE Vol. 3493, pp. 32-43, 1998.
  8. "RAPID Instruments Description", BRUKER SAXONIA ANALITIK GmbH, 1999.

Cited by

  1. Passive Remote Chemical Detection of SF6Clouds in the Atmosphere by FTIR vol.17, pp.1, 2014, https://doi.org/10.9766/KIMST.2014.17.1.008
  2. Field identification and spatial determination of hazardous chemicals by Fourier transform infrared imaging vol.44, pp.5, 2016, https://doi.org/10.1080/10739149.2016.1159220